JP6954093B2 - Electronic clock and control method of electronic clock - Google Patents

Description

The present invention relates to an electronic clock and a method for controlling the electronic clock.

Conventionally, daylight saving time implementation information is stored in association with a region, and when a region is selected by operating a crown, for example, if the selected region is during daylight saving time implementation, an electronic display of daylight saving time is displayed. There is a clock (see, for example, Patent Document 1).
In the analog electronic clock of Patent Document 1, the display setting DST (AUTO) that automatically displays the daylight saving time according to the daylight saving time implementation information corresponding to the selected area, and the daylight saving time are displayed regardless of the daylight saving time implementation information. You can select either the display setting STD that does not allow you to display, or the display setting DST that shifts the time by the set shift time regardless of the daylight saving time implementation information. Then, the type of the selected mode is indicated by the mode needle.

Japanese Unexamined Patent Publication No. 2016-133337

By the way, the implementation status of daylight saving time is subject to change. That is, daylight saving time may be implemented in areas where daylight saving time has not been implemented, or daylight saving time may not be implemented in areas where daylight saving time has been implemented.
Therefore, for example, if the daylight saving time implementation rule stored in the electronic clock is not the latest version, the daylight saving time may not be displayed even though the area is the area where the daylight saving time is implemented, or the daylight saving time may be displayed even though the area is not the daylight saving time. Therefore, the user may want to confirm whether or not the selected area is stored as the area for daylight saving time in the daylight saving time implementation rule stored in the electronic clock.
However, in the analog electronic clock of Patent Document 1, when the display setting DST (AUTO) is selected, the daylight saving time implementation information may or may not be stored for the selected area. Since the mode hand displays DST (AUTO), the user cannot know whether the selected area is remembered as the area where daylight saving time is implemented.

An object of the present invention is to provide an electronic clock and a control method for the electronic clock that can grasp whether or not the selected area is stored as the area where daylight saving time is performed.

The electronic clock of the present invention has a storage unit that stores an information display unit, a plurality of regional information, and a daylight saving time implementation rule corresponding to the regional information, and a storage unit that stores the plurality of regional information stored in the storage unit. A selection unit that selects one of the above, a determination unit that determines whether or not the area is a daylight saving time implementation area based on the daylight saving time implementation rule corresponding to the area information selected by the selection unit, and an area that implements the daylight saving time. When it is determined that the information is determined to be, the information display unit is provided with a display control unit that indicates that the area is the area where the daylight saving time is implemented.

According to the present invention, the user can grasp whether or not the electronic clock remembers the daylight saving time implementation rule indicating that the area is the area where daylight saving time is implemented in the selected area.
For this reason, the user may not see the area where daylight saving time is implemented even though the area where daylight saving time is implemented is selected, or even though the area where daylight saving time is not implemented is selected. When it is displayed that the area is the area where daylight saving time is implemented, it is understood that the daylight saving time implementation rule stored in the storage unit is not accurate for the selected area. Therefore, if the user does not see the area where daylight saving time is implemented even though the area where daylight saving time is implemented is selected, for example, the user manually corrects the time during the daylight saving time implementation period. You can take action. In addition, if the area where daylight saving time is not implemented is selected but the area where daylight saving time is implemented is displayed, for example, the electronic clock is operated to set not to display daylight saving time. Can be taken.

The electronic clock of the present invention includes a satellite signal receiving unit that receives a satellite signal and calculates and acquires the position information of the current location based on the received signal, and the selection unit has the plurality of units based on the position information. It is preferable to select the area information to which the current location belongs from the area information.

According to the present invention, the user can select the area information of the current location by, for example, pressing the button of the electronic clock to receive the satellite signal, so that the button crown of the electronic clock is used until the area information of the current location is selected. Compared to the case of selecting by operation, the area information of the current location can be easily selected.

It is preferable that the electronic clock of the present invention includes a manual operation unit, and the selection unit selects one of the plurality of regional information according to the operation of the manual operation unit.

According to the present invention, the user can select the area information of the area different from the current location by operating the manual operation unit. Therefore, for example, when moving from Japan to an overseas region, it is possible to grasp in advance whether or not the electronic clock remembers the daylight saving time implementation rule indicating that the region is the region where daylight saving time is implemented.

In the electronic clock of the present invention, a radio wave receiving unit that receives radio waves including implementation status information indicating whether or not daylight saving time is being implemented, and an implementation determination that determines whether or not daylight saving time is being implemented based on the implementation status information. When it is determined that daylight saving time is being implemented, the display control unit preferably causes the information display unit to indicate that daylight saving time is being implemented.

According to the present invention, the user can grasp whether or not daylight saving time is being implemented.
Further, according to the present invention, it is possible to determine whether or not daylight saving time is being implemented based on the implementation status information, so that it is not necessary to determine, for example, whether or not the current time corresponds to the implementation period of daylight saving time. Therefore, it is possible to easily determine whether or not daylight saving time is being implemented.

In the electronic clock of the present invention, the daylight saving time implementation rule includes the implementation period information indicating the implementation period of the daylight saving time, and the daylight saving time is being implemented based on the implementation period information corresponding to the regional information selected by the selection unit. It is preferable that the display control unit includes an execution determination unit for determining whether or not, and when it is determined that daylight saving time is being implemented, causes the information display unit to indicate that daylight saving time is being implemented.

According to the present invention, the user can grasp whether or not daylight saving time is being implemented.
Further, according to the present invention, since it is possible to determine whether or not daylight saving time is being implemented based on the implementation period information, for example, there is no need for a radio wave receiving unit that receives radio waves including information indicating whether or not daylight saving time is being implemented. ..

In the electronic clock of the present invention, a time display unit that is controlled by the display control unit to display time information, a time adjustment unit that corrects the time information, and an execution determination that determines whether or not daylight saving time is being implemented. When it is determined that the daylight saving time implementation rule includes the daylight saving time setting information regarding the time difference between the standard time and the daylight saving time in response to the area information, and the time adjustment unit determines that the daylight saving time is being implemented. , It is preferable to modify the time information based on the daylight saving time setting information.

According to the present invention, when the daylight saving time implementation period starts in the selected area, the daylight saving time can be displayed without the user performing an operation for displaying the daylight saving time. Further, when the daylight saving time implementation period ends, the standard time can be displayed without the user performing an operation for displaying the standard time.

The electronic clock of the present invention includes a manual operation unit and a mode setting unit that sets either a daylight saving time automatic display mode or a daylight saving time non-display mode according to the operation of the manual operation unit. When the daylight saving time automatic display mode is set and the implementation determination unit determines that daylight saving time is being implemented, the daylight saving time information is corrected based on the daylight saving time setting information to display the daylight saving time, and the daylight saving time is automatically displayed. When the mode is set and the implementation determination unit determines that daylight saving time is not being implemented, or when the daylight saving time non-display mode is set, it is preferable not to display the daylight saving time.

According to the present invention, when the user displays that the area where daylight saving time is implemented is displayed even though the area where daylight saving time is not implemented is selected, the user operates the manual operation unit to display the daylight saving time non-display mode. By setting, daylight saving time can be hidden.

The electronic clock of the present invention includes an information display unit, a time display unit for displaying time information, a time adjustment unit for correcting the time information, a display control unit, a manual operation unit, a plurality of area information, and the above. A storage unit that stores the daylight saving time implementation rule that includes the implementation period information that corresponds to the area information and indicates the daylight saving time implementation period and the daylight saving time setting information that corresponds to the area information and indicates the time difference from the standard time, and the storage unit. Based on the selection unit that selects one of the plurality of area information stored in the above and the daylight saving time implementation rule corresponding to the area information selected by the selection unit, it is determined whether or not the area is to implement daylight saving time. Daylight saving time automatic display mode, daylight saving time display mode, daylight saving time non-display mode according to the operation of the daylight saving time automatic display mode, the daylight saving time display mode, and the daylight saving time non-display mode according to the operation of the daylight saving time automatic display mode, the daylight saving time display mode, and the manual operation unit. The display control unit includes a mode setting unit for setting any of the above, and when the daylight saving time automatic display mode is set and the determination unit determines that the area is where the daylight saving time is executed, the daylight saving time is set. The information display unit is displayed to indicate that the area is to be implemented, and the time adjustment unit is set when the daylight saving time automatic display mode is set and it is determined that the daylight saving time is being implemented, or the daylight saving time display mode is set. If so, the daylight saving time is corrected based on the daylight saving time setting information to display the daylight saving time, and it is determined that the daylight saving time automatic display mode is set and the daylight saving time is not being implemented, or the daylight saving time is not set. When the display mode is set, the daylight saving time is not displayed.

According to the present invention, when the daylight saving time automatic display mode is set, whether or not the user remembers the daylight saving time implementation rule indicating that the electronic clock is the area where daylight saving time is implemented in the selected area. I can figure out.
Then, for example, if the area where daylight saving time is implemented is selected but the area where daylight saving time is implemented is not displayed, the user operates the manual operation unit during the daylight saving time implementation period to operate the daylight saving time. Daylight saving time can be displayed by setting the display mode.
In addition, when the user displays that the area where daylight saving time is implemented is displayed even though the area where daylight saving time is not implemented is selected, the user should operate the manual operation unit to set the daylight saving time non-display mode. So, you can hide the daylight saving time.
In addition, when the daylight saving time automatic display mode is set, if the daylight saving time implementation period starts in the selected area, the daylight saving time can be displayed without the user performing an operation for displaying the daylight saving time. .. Further, when the daylight saving time implementation period ends, the standard time can be displayed without the user performing an operation for displaying the standard time.

In the electronic clock of the present invention, when the daylight saving time display mode is set, the display control unit causes the information display unit to display that the daylight saving time display mode is set, and the daylight saving time non-display mode is set. In this case, it is preferable to display on the information display unit that the daylight saving time non-display mode is set.

According to the present invention, the user can grasp that the daylight saving time display mode and the daylight saving time non-display mode are set, so that the display mode can be easily selected.

The electronic clock of the present invention includes an information display unit, a time display unit for displaying time information, a time adjustment unit for correcting the time information, a display control unit, a manual operation unit, a plurality of area information, and the above. A storage unit that stores the daylight saving time implementation rule that includes the implementation period information that corresponds to the area information and indicates the daylight saving time implementation period and the daylight saving time setting information that corresponds to the area information and indicates the time difference from the standard time, and the storage unit. Based on the selection unit that selects one of the plurality of area information stored in the above and the daylight saving time implementation rule corresponding to the area information selected by the selection unit, it is determined whether or not the area is to implement daylight saving time. One of the daylight saving time display mode and the daylight saving time non-display mode is set according to the operation of the determination unit to be performed, the implementation determination unit that determines whether or not daylight saving time is being implemented based on the implementation period information, and the manual operation unit. When the daylight saving time display mode is set, the display control unit causes the information display unit to display that the daylight saving time display mode is set, and the daylight saving time non-display mode is set. When set, the information display unit displays that the daylight saving time non-display mode is set, and the time adjustment unit displays the area information selected by the selection unit when the daylight saving time display mode is set. Based on the daylight saving time setting information corresponding to, the time information is modified to display the daylight saving time, and when the daylight saving time non-display mode is set, the standard time is displayed.

According to the present invention, the user can set the daylight saving time display mode or the daylight saving time non-display mode by operating the manual operation unit, so that the user can easily set the daylight saving time display / non-display mode. Therefore, even in the area where the daylight saving time display rule is changed, the time (standard time or daylight saving time in the area) according to the changed rule can be displayed by manual operation, and the convenience can be improved.

The electronic clock of the present invention includes a satellite signal receiving unit that receives a satellite signal and calculates and acquires the position information of the current location based on the received signal, and the selection unit has the plurality of units based on the position information. When the area information to which the current location belongs is selected from the area information and the determination unit determines that the area is the area where daylight saving time is executed based on the area information selected based on the location information, the daylight saving time automatic display mode is used. When the determination unit determines that the area is not daylight saving time based on the area information selected based on the position information, the daylight saving time non-display mode is set, and the display control unit automatically sets the daylight saving time. When the display mode is set and the determination unit determines that the area is the area where the daylight saving time is executed, the information display unit is displayed to indicate that the area is the area where the daylight saving time is executed, and the time correction unit displays the daylight saving time. When it is determined that the automatic display mode is set and the daylight saving time is being implemented, the time information is corrected to display the daylight saving time based on the daylight saving time setting information, and the daylight saving time automatic display mode is set and the daylight saving time is set. When it is determined that the implementation is not in progress, it is preferable to display the standard time.

According to the present invention, in addition to selecting the daylight saving time display mode or the daylight saving time non-display mode by operating the manual operation unit, the daylight saving time automatic display mode or the daylight saving time non-display mode is executed by executing the positioning reception process for acquiring the position information of the current location. The mode can be set automatically. Therefore, the user can automatically display the time according to the daylight saving time implementation rule of the area by performing the positioning reception process at the travel destination or the like. In addition, if the time automatically displayed is different from the time of the current location immediately after the daylight saving time implementation rule is changed, it is displayed by selecting the daylight saving time display mode or the daylight saving time non-display mode by operating the manual operation unit. The time can be easily changed to standard time or daylight saving time, improving convenience.

In the electronic clock of the present invention, it is preferable that the information display unit is composed of a pointer and a dial.
According to the present invention, it is possible to display whether or not the area is the area where daylight saving time is implemented even in the analog electronic clock.

The present invention is a control method for an electronic clock including an information display unit, a storage unit that stores a plurality of regional information and a daylight saving time implementation rule corresponding to the regional information, and is stored in the storage unit. A step of selecting one of a plurality of area information, a step of determining whether or not the area is to implement daylight saving time based on the daylight saving time implementation rule corresponding to the selected area information, and a step of executing the daylight saving time. When it is determined that the area is the area, the information display unit is provided with a step of displaying that the area is the area where the daylight saving time is to be implemented.

According to the present invention, the user can grasp whether or not the electronic clock remembers the daylight saving time implementation rule indicating that the selected area is the area where daylight saving time is implemented.

The front view of the electronic clock of 1st Embodiment which concerns on this invention. The cross-sectional view which shows the outline of the electronic clock of 1st Embodiment. The figure which shows the circuit structure of the electronic clock of 1st Embodiment. The figure which shows the data structure of the RAM of 1st Embodiment. The figure which shows an example of the local time setting data of 1st Embodiment. The figure which shows an example of the daylight saving time reference data of 1st Embodiment. The figure which shows the structure of the control circuit of 1st Embodiment. The flowchart which shows the local time setting process of 1st Embodiment. The flowchart which shows the local time setting process of 1st Embodiment. The flowchart which shows the daylight saving time switching process of 1st Embodiment. The front view of the electronic clock of the 2nd Embodiment which concerns on this invention. The cross-sectional view which shows the outline of the electronic clock of 2nd Embodiment. The figure which shows the circuit structure of the electronic clock of 2nd Embodiment. The figure which shows the data structure of the storage device of 2nd Embodiment. The figure which shows the local time reception setting data of 2nd Embodiment. The figure for demonstrating the local time reception setting data. The figure which shows the structure of the control circuit of 2nd Embodiment. The flowchart which shows the local time reception setting process of 2nd Embodiment. The flowchart which shows the local time reception setting process of 2nd Embodiment. The figure which shows the change history of the implementation status of daylight saving time. The figure which shows the structure of the control circuit of the 3rd Embodiment which concerns on this invention. The flowchart which shows the display mode switching process of 3rd Embodiment. The figure which shows an example of the daylight saving time reference data of the 4th Embodiment which concerns on this invention. The figure which shows the display mechanism of the electronic clock of 4th Embodiment. The flowchart which shows the display mode switching process of 4th Embodiment. The front view of the electronic clock of the 5th Embodiment which concerns on this invention. The figure which shows the circuit structure of the electronic clock of 5th Embodiment. The flowchart which shows the standard radio wave reception processing of 5th Embodiment. The front view of the electronic clock of the 6th Embodiment which concerns on this invention. The figure which shows the structure of the control circuit of 6th Embodiment. The flowchart which shows the reception process of 6th Embodiment. The flowchart which shows the reception process of 6th Embodiment. The flowchart which shows the display mode switching process of 6th Embodiment. The figure which shows the display mechanism of the electronic clock of another embodiment which concerns on this invention. The flowchart which shows the daylight saving time switching processing of another embodiment. The figure which shows the display mechanism of the electronic clock of another embodiment. The figure which shows the display mechanism of the electronic clock of another embodiment.

[First Embodiment]
FIG. 1 is a front view of the electronic clock 1, and FIG. 2 is a cross-sectional view showing an outline of the electronic clock 1.
As shown in FIGS. 1 and 2, the electronic clock 1 includes an outer case 30, a cover glass 33, and a back cover 34.
The outer case 30 has a cylindrical shape and is made of metal. As shown in FIG. 2, of the two openings of the outer case 30, the opening on the front surface side is closed by the cover glass 33, and the opening on the back surface side is closed by the back cover 34 made of metal. ing.
An A button 41, a B button 42, and a crown 43 are provided on the side surface of the outer case 30.

Inside the outer case 30, a dial ring 35, a dial 11, pointers 21, 22, 23, 24, a calendar car 25, a drive mechanism 140 for driving each pointer and the calendar car 25, and the like are provided. There is.

The dial ring 35 is formed in a ring shape.
The dial 11 is a circular plate material that displays the time inside the outer case 30, is provided with pointers 21 to 24 between the dial 11 and the cover glass 33, and is arranged inside the dial ring 35.
The dial 11 is formed with a hole through which the pointer shaft 29 of the pointers 21, 22, 23 and the pointer shaft (not shown) of the pointer 24 penetrate. Further, the dial 11 is formed with an opening of the calendar small window 15.

The drive mechanism 140 is attached to the main plate 125 and is covered with the circuit board 120 from the back cover side. The drive mechanism 140 has a step motor and a train wheel such as gears, and the step motor drives the pointers 21 to 24 and the calendar wheel 25 by rotating the pointer shaft through the wheel train.
Specifically, the drive mechanism 140 includes first to fourth drive mechanisms. The first drive mechanism drives the pointer 22 and the pointer 23, the second drive mechanism drives the pointer 21, the third drive mechanism drives the pointer 24, and the fourth drive mechanism drives the calendar wheel 25.

The circuit board 120 includes a control device 100 on the front surface side. A circuit retainer 122 for covering the circuit board 120 is provided on the back cover side of the circuit board 120. Further, the battery 130 is provided between the main plate 125 and the back cover 34.

[Display mechanism of electronic clock]
The pointers 21, 22, and 23 are attached to a pointer shaft 29 provided at the center of the plane of the dial 11 along the front and back directions of the dial 11. The pointer shaft 29 is composed of three pointer shafts to which the pointers 21, 22, and 23 are attached.
As shown in FIG. 1, a scale for dividing the inner circumference into 60 is indicated on the inner circumference side of the dial ring 35 surrounding the outer peripheral portion of the dial 11. Using this scale, the pointer 21 displays the "second" of the time, the pointer 22 displays the "minute" of the time, and the pointer 23 displays the "hour" of the time. That is, the pointer 21 is the second hand, the pointer 22 is the minute hand, the pointer 23 is the hour hand, and the pointers 21 to 23 and the dial 11 form a time display unit for displaying time information. The time displayed by the pointers 21 to 23 can be changed by rotating the crown 43 in a state of being pulled by two steps.

The pointer 24 is attached to a pointer shaft provided at a position in the 6 o'clock direction from the center of the plane of the dial 11.
An alphabetic character of "DB" and an alphabetic character of "OFF" are written on the outer circumference of the rotation region of the pointer 24. DB and OFF are information related to daylight saving time, and inside the letters DB and OFF, the letters "DST" (daylight saving time), which means daylight saving time, are written.
The guideline 24 will be described in detail later, but by instructing the DB, the guideline 24 is stored in the storage device 54 as the area where the daylight saving time is implemented in the daylight saving time implementation rule associated with the selected area information. Is displayed. In addition, by instructing OFF, the area is not stored in the storage device 54 as an area where daylight saving time is implemented in the daylight saving time implementation rule (or is stored in the storage device 54 as an area where the area does not implement daylight saving time. What you are doing) is displayed.

Further, on the outer periphery of the rotation region of the pointer 24, "S (Sunday)", "M (Monday)", "T (Tuesday)", "W (Wednesday)", which are the initials of the English words indicating the day of the week, The characters "T (Thursday)", "F (Friday)", and "S (Saturday)" are written. Guideline 24 displays the day of the week by pointing to any of these letters.
Further, on the outer circumference of the rotation region of the pointer 24, a crescent sickle-shaped symbol 12 is written along the circumference. The symbol 12 is a power indicator of the battery 130, and the battery capacity is displayed when the pointer 24 indicates a position corresponding to the battery capacity.
That is, the pointer 24 is a mode hand for displaying various information, and the pointer 24 and the dial 11 constitute an information display unit.

In the normal state where the crown 43 is in the 0-stage position, the pointer 24 displays information on daylight saving time (DB or OFF), the day of the week, or the battery capacity. The information displayed by the pointer 24 can be switched by pressing the B button 42.

The calendar small window 15 is provided in an opening in which the dial 11 is opened in a rectangular shape, and the numbers printed on the calendar car 25 can be visually recognized from the opening. The calendar car 25 displays the "day" of the date by visually recognizing the numbers from the opening. The date displayed by the calendar car 25 can be changed by rotating the crown 43 in a state of being pulled by two steps. Whether to change the day or the time displayed by the pointers 21 to 23 can be selected by pressing the A button 41.

On the dial ring 35, along the scale on the inner peripheral side, a number indicating the time difference from Coordinated Universal Time (UTC) and a symbol 37 other than the number are written.
Further, on the outer case 30 provided around the dial ring 35, the city information 36 representing the representative city name using the standard time corresponding to the numbers and symbols 37 other than the numbers written on the dial ring 35. Is also written on the symbol 37.
The guideline 21 displays the currently set time difference or the selected time difference by instructing the symbol 37 or the city information 36.

[Circuit configuration of electronic clock]
FIG. 3 is a diagram showing a circuit configuration of the electronic clock 1.
The electronic clock 1 includes a control device 100 composed of a CPU (Central Processing Unit), a battery 130 connected to the control device 100, a manual operation unit 40, and a drive mechanism 140.

The manual operation unit 40 includes an A button 41, a B button 42, a crown 43, and a switch circuit (not shown). The corresponding operation signal is output to the control circuit 60 described later of the control device 100.

The control device 100 includes a battery voltage detection circuit 51, a ROM (Read Only Memory) 52, a RAM (Random Access Memory) 53, a rewritable storage device 54, and a control circuit 60.
Further, the control device 100 is connected to two input terminals 101 and 102 provided on the back cover side of the circuit board 120. The output terminals of the external device can be brought into contact with the input terminals 101 and 102 with the back cover 34 of the electronic watch 1 open, and data is supplied from the output terminals to the input terminals 101 and 102. The data in the storage device 54 can be rewritten.

The battery voltage detection circuit 51 detects the battery voltage of the battery 130 at intervals of, for example, 5 to 10 seconds, and outputs the detected value to the control circuit 60.
The ROM 52 stores a program executed by the control circuit 60 and data used when the program is executed.

As shown in FIG. 4, the RAM 53 stores internal time data 531, display time data 532, time difference data 533, and daylight saving time offset data 534.
The internal time data 531 stores the internal time indicating UTC. This internal time is updated by the time measuring unit 61 described later in the control circuit 60.
The display time data 532 stores the display time obtained by adding the time difference of the time difference data 533 and the daylight saving time setting information of the daylight saving time offset data 534 to the internal time of the internal time data 531. Here, the display time is the time information displayed by the pointers 21, 22, and 23.
The procedure for setting the time difference data 533 and the daylight saving time offset data 534 will be described later.

Returning to FIG. 3, the storage device 54 as a storage unit is composed of a rewritable non-volatile memory. Examples of such non-volatile memory include EEPROM (Electronically Erasable and Programmable Read Only Memory) and flash memory. The storage device 54 may be externally attached to the control device 100.
The storage device 54 stores local time setting data 541 and daylight saving time reference data 542.

FIG. 5 is a diagram showing an example of local time setting data 541.
In the local time setting data 541, the indexed time difference (time zone), the display character representing the representative city name, the representative city name, the hand position, and the DST number are stored in association with each other. ..
The index is a serial number and is indicated by an integer of 0 or more.
The time difference indicates the time difference from UTC. For example, "0" indicates that the time difference from UTC is 0 hours, "+1" indicates that the time difference from UTC is +1 hour, and "-1" indicates that the time difference from UTC is −. Indicates that it is one hour. In the local time setting data 541 shown in FIG. 5, 40 time differences are stored from -12 hours to +14 hours. In this embodiment, the time difference corresponds to regional information.
The representative city name is the name of the representative city in the corresponding time zone area.
The hand position indicates the indicated position (second position) of the pointer 21 which is the second hand. For example, "0" indicates a 0 second position and "2" indicates a 2 second position.
The DST number indicates a corresponding number among the DST numbers of “0” to “10” to be described later stored in the daylight saving time reference data 542.

FIG. 6 is a diagram showing an example of daylight saving time reference data 542.
The daylight saving time reference data 542 includes a DST number, implementation period information indicating a daylight saving time implementation period, and daylight saving time setting information (DST offset).
The daylight saving time setting information is information on the time difference from the standard time, and is the time to advance with respect to the standard time.
In the daylight saving time reference data 542, the DST number, which is an integer of 1 or more, the daylight saving time implementation period information, and the daylight saving time setting information are stored as information indicating the area where the daylight saving time is implemented.
Further, in the daylight saving time reference data 542, the DST number "0" is stored as information indicating that the area does not carry out daylight saving time, and in the case of the DST number "0", the daylight saving time setting information and the daylight saving time setting information are not stored. .. Alternatively, in the case of the DST number "0", it is stored in the implementation period information that "daylight saving time is not implemented".
In the present embodiment, the DST number included in the local time setting data 541 and the daylight saving time reference data 542 are examples of the daylight saving time implementation rule.

As shown in FIG. 7, the control circuit 60 executes various programs stored in the ROM 52 to execute a timing unit 61, a time correction unit 62, a display control unit 63, a selection unit 64, a determination unit 65, and an execution determination unit. Functions as 66.
The time measuring unit 61 measures the internal time by updating the internal time data 531 stored in the RAM 53 using a reference signal based on an oscillation signal of a crystal oscillator (not shown) included in the electronic clock 1.
The time correction unit 62 corrects the display time of the display time data 532.
The display control unit 63 controls the movement of the pointers 21 to 23 to display the display time by controlling the drive mechanism 140, and controls the movement of the pointer 24 to display various information.
The selection unit 64 selects the time difference as regional information according to the operation of the manual operation unit 40.
The determination unit 65 determines whether or not the information indicating that the area is the area where the daylight saving time is executed is stored in the daylight saving time implementation rule corresponding to the time difference (regional information) selected by the selection unit 64.
The implementation determination unit 66 determines whether or not daylight saving time is being implemented based on the implementation period information.
The details of each functional unit of the control circuit 60 will be described in the following description of the local time setting process.

[Local time setting process]
8 and 9 are flowcharts showing the local time setting process executed by the electronic clock 1.
The control circuit 60 determines whether or not the crown 43 is pulled by one step (S11). If NO is determined in S11, the control circuit 60 repeatedly executes the process of S11.

If YES is determined in S11, the control circuit 60 sets the currently set time difference index number in the variable I. Then, the display control unit 63 causes the pointer 21 which is the second hand to indicate the hand position associated with the index I in the local time setting data 541 (S12).
Further, when it is determined that the area where the daylight saving time is executed is stored in the storage device 54 based on the daylight saving time execution rule associated with the index I, the display control unit 63 is a pointer which is a mode hand. 24 is instructed to "DB". Further, when it is determined that the area where daylight saving time is implemented is not stored in the storage device 54 based on the daylight saving time implementation rule, the guideline 24 is instructed to "OFF". It should be noted that the determination as to whether or not the area where daylight saving time is implemented is stored in the storage device 54 is performed by the same method as in S23 described later.

Then, the control circuit 60 permits the input of the operation signal output from the manual operation unit 40 (S13).
When the selection unit 64 detects that the crown 43 has been rotated and the time difference selection operation has been performed based on the operation signal output from the manual operation unit 40, the rotation direction of the crown 43 is clockwise or not. It is determined whether it is counterclockwise (S14).

When the rotation direction of the crown 43 is clockwise, the selection unit 64 determines that the up operation for selecting the time difference having the index number one larger has been performed, and adds 1 to the value of I (S15).
Next, the selection unit 64 determines whether or not the value of I is “40”, which is the value obtained by adding 1 to the maximum value “39” (S16). If NO is determined in S16, the selection unit 64 advances the process to S21.
If YES is determined in S16, the selection unit 64 changes the value of I to 0 (S17) and proceeds to the process in S21.
That is, when the selection unit 64 detects the up operation when the time difference of the maximum value of the index is selected, the selection unit 64 selects the time difference of the minimum value of the index.

On the other hand, when the rotation direction of the crown 43 is counterclockwise, the selection unit 64 determines that the down operation for selecting the time difference whose index number is one smaller has been performed, and subtracts 1 from the value of I (S18). ..
Next, the selection unit 64 determines whether or not the value of I is -1 (S19). If NO is determined in S19, the selection unit 64 advances the process to S21.
If YES is determined in S19, the selection unit 64 changes the value of I to the maximum value "39" (S20), and proceeds to the process in S21.
That is, when the selection unit 64 detects the down operation when the time difference of the minimum value of the index is selected, the selection unit 64 selects the time difference of the maximum value of the index.

In S21, the display control unit 63 causes the pointer 21 to indicate the hand position associated with the index I in the local time setting data 541.
Then, the time adjustment unit 62 acquires the time difference (time zone) associated with the index I from the local time setting data 541 (S22).

Next, the determination unit 65 determines whether or not the DST number associated with the index I is 0 in the local time setting data 541 (S23). That is, it is determined whether or not the storage device 54 stores that the area corresponding to the index I does not carry out daylight saving time.
When YES is determined in S23, that is, when the storage device 54 stores that the area corresponding to the index I does not perform daylight saving time, that is, when the DST number is 0, the display control unit 63. Instructs the guideline 24 to "OFF" and displays that the storage device 54 stores the area where daylight saving time is not implemented (S24).
Then, the time correction unit 62 corrects the display time of the display time data 532 by setting the time difference acquired in S22 in the time difference data 533 and setting (initializing) 0 hour in the daylight saving time offset data 534. (S25). Then, the display control unit 63 causes the pointers 22 and 23 to display the hour and minute of the display time. As a result, the hour and minute of the time reflecting the selected time difference is displayed.

On the other hand, when NO is determined in S23, that is, the daylight saving time implementation rule indicating that the DST number corresponding to the index I is an integer of 1 or more and daylight saving time is implemented in the area is stored in the storage device 54. If so, the display control unit 63 causes the guideline 24 to instruct “DB” and displays that the daylight saving time implementation rule indicating that daylight saving time is implemented in the area is stored in the storage device 54 (S26).
Then, the implementation determination unit 66 determines whether or not daylight saving time is being implemented based on the implementation period information corresponding to the index I (S27).
Then, in S25, when the time correction unit 62 determines in S27 that the daylight saving time is not being implemented, the time difference acquired in S22 is set in the time difference data 533, and 0 hour is set in the daylight saving time offset data 534. By (initializing), the display time of the display time data 532 is corrected. Then, the display control unit 63 causes the pointers 22 and 23 to display the hour and minute of the display time. As a result, the hour and minute of the time reflecting the selected time difference is displayed.
Further, when it is determined in S27 that the daylight saving time is being implemented, the time adjustment unit 62 sets the time difference acquired in S22 in the time difference data 533, and corresponds to the index I from the daylight saving time reference data 542. By acquiring the daylight saving time setting information and setting it in the daylight saving time offset data 534, the display time of the display time data 532 is corrected. Then, the display control unit 63 causes the pointers 22 and 23 to display the hour and minute of the display time. As a result, the time and minute of the selected time difference and the time in which the daylight saving time setting information associated with the time difference is reflected are displayed.

After the process of S25, the selection unit 64 determines whether or not the crown 43 is maintained in the state of being pulled by one step (S28). If YES is determined in S28, the selection unit 64 returns the process to S14 and executes the processes of S14 to S28 again.
When NO is determined in S28, that is, when the crown 43 is moved from the state in which the crown 43 is pulled by one step, the display control unit 63 causes the pointer 21 to display the seconds of the display time (S29). In addition, the pointer 24 displays the battery capacity. Then, the control circuit 60 ends the local time setting process.

According to the above local time setting process, for example, when index 15 (Tokyo) is selected, +9 hours are set in the time difference data 533. Further, since the DST number is 0 and it is stored that the area does not carry out daylight saving time, the pointer 24 instructs OFF, and 0 hour is set in the daylight saving time offset data 534. As a result, the time obtained by adding 9 hours to UTC is displayed.
When index 33 (New York) is selected, -5 hours are set in the time difference data 533. In addition, since the DST number is 8 and it is remembered that the area is where daylight saving time is implemented, the guideline 24 indicates the DB.
Here, the implementation period indicated by the implementation period information having the DST number 8 is from 2:00 am on the second Sunday in March to 2:00 am on the first Sunday in November. Therefore, when the current time is, for example, January, 0 hour is set in the daylight saving time offset data 534 because the daylight saving time is not being implemented. As a result, the time obtained by subtracting 5 hours from UTC is displayed. Further, when the current time is, for example, April, since daylight saving time is being implemented, +1 hour is set in the daylight saving time offset data 534. As a result, the time obtained by subtracting 4 hours from UTC is displayed.

In the present embodiment, the up operation and the down operation, which are the time difference selection operations, are performed by rotating the crown 43, but the operation is not limited to this. For example, the up operation may be performed by pressing the A button 41, and the down operation may be performed by pressing the B button 42.
Further, in the present embodiment, the display control unit 63 controls the movement of the pointers 22 and 23 each time the time difference selection operation is performed to display the hour and minute of the display time, but the present invention is not limited to this. For example, in S29, the pointers 22 and 23 may be moved at the same timing as the pointer 21.

[Daylight saving time switching process]
FIG. 10 is a flowchart showing the daylight saving time switching process executed by the electronic clock 1. The daylight saving time switching process is performed when the storage device 54 stores that the daylight saving time is implemented in the daylight saving time implementation rule corresponding to the area information (time difference in the present embodiment) selected by the selection unit 64. Is executed.
The time adjustment unit 62 determines whether or not the minute of the internal time has been updated by the time counting unit 61 (S31).
If YES is determined in S31, the time correction unit 62 refers to the implementation period information of the daylight saving time implementation rule corresponding to the area information selected in the selection unit 64, and determines whether or not it is the start time of daylight saving time (S32). ).
If YES is determined in S32, the time correction unit 62 sets the daylight saving time setting information corresponding to the selected area information in the daylight saving time offset data 534. As a result, the display time is advanced by the daylight saving time setting information, and the daylight saving time is displayed (S33). Then, the time adjustment unit 62 performs the process of S31 again after 1 minute.

On the other hand, when it is determined as NO in S32, the time correction unit 62 refers to the implementation period information of the daylight saving time implementation rule corresponding to the area information selected by the selection unit 64, and determines whether or not it is the end time of daylight saving time. (S34).
Before the start of the daylight saving time implementation period or during the daylight saving time implementation period, NO is determined in S34, and the time adjustment unit 62 performs the process of S31 again after 1 minute.
Further, when the daylight saving time implementation period ends after the daylight saving time is displayed in S33, YES is determined in S34, and the time correction unit 62 sets 0 hours in the daylight saving time offset data 534. As a result, only the daylight saving time setting information is returned for the display time, and the standard time is displayed (S35). Then, the time adjustment unit 62 performs the process of S31 again after 1 minute.

[Action and effect of the first embodiment]
According to the electronic clock 1, in the local time setting process, when it is remembered that the daylight saving time is implemented in the daylight saving time implementation rule corresponding to the selected area information, it is the area where the daylight saving time is implemented. In the area where daylight saving time is implemented, if it is displayed (guideline 24 indicates "DB") and the area where daylight saving time is implemented is not remembered in the daylight saving time implementation rule corresponding to the selected area information. It indicates that there is no such thing (pointer 24 indicates "OFF").
As a result, the user can grasp whether or not the electronic clock 1 remembers the daylight saving time implementation rule indicating that the daylight saving time is implemented in the selected area.
Therefore, when the user displays that the area where daylight saving time is implemented is selected but not the area where daylight saving time is implemented (when the guideline 24 indicates "OFF"), or when the user indicates "OFF". When the area where daylight saving time is implemented is displayed even though the area where daylight saving time is not implemented is displayed (when the guideline 24 indicates "DB"), the storage device 54 is used for the selected area. You can see that the information does not correspond. Therefore, if the user displays that the area where daylight saving time is implemented is selected but not the area where daylight saving time is implemented, for example, the user manually corrects the time during the daylight saving time implementation period. Can be taken. In addition, when it is displayed that the area where daylight saving time is implemented is displayed even though the area where daylight saving time is not implemented is selected, for example, the electronic clock 1 is operated to set not to display the daylight saving time. You can take action.

By operating the manual operation unit 40, the user can also select the area information of the area different from the current location. Therefore, for example, when moving from Japan to an overseas region, it is possible to grasp in advance whether or not the electronic clock 1 remembers the region as the region where daylight saving time is implemented.

When the electronic clock 1 executes the daylight saving time switching process, when the daylight saving time implementation period starts in the selected area, the daylight saving time can be displayed without the user performing an operation for displaying the daylight saving time. .. Further, when the daylight saving time implementation period ends, the standard time can be displayed without the user performing an operation for displaying the standard time.

[Second Embodiment]
The electronic clock 1A of the second embodiment receives a satellite signal from the position information satellite and corrects the internal time and the time difference based on the received satellite signal. In addition, regional information is selected based on the received satellite signal. In the following description, the same reference numerals are given to the same configurations as the electronic clock 1, and the description thereof will be omitted.

[Electronic clock configuration]
The electronic clock 1A receives satellite signals from at least one GPS satellite among a plurality of GPS (Global Positioning System) satellites orbiting the earth in a predetermined orbit to acquire time information, and at least 3 It is configured to receive satellite signals from two GPS satellites and calculate and acquire position information.

[Outline configuration of electronic clock]
FIG. 11 is a front view of the electronic clock 1A, and FIG. 12 is a cross-sectional view showing an outline of the electronic clock 1A. Here, only the configuration different from that of the electronic clock 1 of the first embodiment will be described, and the description of other configurations will be omitted.
In the electronic watch 1A, the outer case 30A is configured by fitting a bezel 32 made of ceramic to the surface side of a cylindrical case 31 made of metal.
The dial ring 35A is made of plastic and has a ring shape in a plan view and a mortar shape in a cross-sectional view. A donut-shaped storage space is formed by the dial ring 35A and the inner peripheral surface of the bezel 32, and the ring-shaped antenna body 110 is housed in this storage space.

The dial 11A is made of a light-transmitting material such as plastic.
A solar cell 135 that generates photovoltaic power is provided between the dial 11A and the main plate 125.
The circuit board 120 includes a control device 100A and a GPS receiving device 58 on the back cover side. The circuit board 120 and the antenna body 110 are connected by using the antenna connection pin 115.
Further, in the present embodiment, a secondary battery 130A such as a lithium ion battery is used as the battery. The secondary battery 130A is charged with the electric power generated by the solar cell 135.

As shown in FIG. 11, the dial ring 35A has the alphabet "Y" at the 12-minute position and the alphabet "N" at the 18-minute position. When the A button 41 is pressed, the pointer 21 indicates either "Y" or "N" and displays the reception result of the previous satellite signal. That is, in the case of success, "Y" is instructed, and in the case of failure, "N" is instructed.
A number "1" and a symbol "4+" are written on the outer circumference of the rotation region of the pointer 24. These numbers and symbols represent the receiving mode of the satellite signal. "1" receives the time information and corrects the internal time (time measurement mode), "4+" receives the time information and the orbit information, calculates the position information which is the current position, and sets the internal time. It means that the time difference is corrected (positioning mode).

[Circuit configuration of electronic clock]
FIG. 13 is a diagram showing a circuit configuration of the electronic clock 1A.
As shown in FIG. 13, the electronic clock 1A includes a GPS receiving device 58 connected to the control device 100A as a satellite signal receiving unit. Further, the control device 100A includes a diode 71, a charge control switch 72, and a voltage detection circuit 73.

The diode 71 is provided in the path for electrically connecting the solar battery 135 and the secondary battery 130A, and the secondary battery 130A is provided without interrupting the current (forward current) from the solar battery 135 to the secondary battery 130A. The current (reverse current) from the battery 135 to the solar battery 135 is cut off. The forward current flows only when the voltage of the solar cell 135 is higher than the voltage of the secondary battery 130A, that is, when charging. The diode 71 prevents current from flowing from the secondary battery 130A to the solar cell 135 when the voltage of the solar cell 135 becomes lower than that of the secondary battery 130A.
The charge control switch 72 connects and disconnects the current path from the solar cell 135 to the secondary battery 130A, and is provided in the switching path that electrically connects the solar cell 135 and the secondary battery 130A. It has an element. It connects when the switching element transitions from the off state to the on state, and disconnects when the switching element transitions from the on state to the off state.

The voltage detection circuit 73 operates based on a control signal that specifies the voltage detection timing, and sets the terminal voltage PVIN of the solar cell 135, that is, the output voltage of the solar cell 135 during the period when the charge control switch 72 is turned off. To detect. Then, the detection result is output to the control circuit 60A.

The GPS receiving device 58 is connected to the antenna body 110 and processes the satellite signal received via the antenna body 110 to acquire time information and position information. The antenna body 110 receives radio waves of satellite signals transmitted from GPS satellites and passed through the cover glass 33 and the dial ring 35A.
Although not shown, the GPS receiving device 58 has a correlation between an RF (Radio Frequency) unit that receives a satellite signal transmitted from a GPS satellite and converts it into a digital signal, and a received signal, similarly to a normal GPS device. A BB section (baseband section) that executes judgment and demodulates the navigation message, and an information acquisition section that processes the navigation message (satellite signal) demodulated by the BB section to acquire and output time information and position information. It has.

FIG. 14 is a diagram showing a configuration of data stored in the storage device 54 of the electronic clock 1A.
In the storage device 54, in addition to the local time setting data 541 and the daylight saving time reference data 542, the system setting data 544 and the reception setting data 545 for driving the electronic clock 1A, the local time reception setting data 546 described later, and each of them. Version data 543 indicating the version of the data is stored in each predetermined address.
Since the storage device 54 is rewritable, the local time setting data 541, the system setting data 544, the reception setting data 545, the local time reception setting data 546, and the version data 543 can be updated.

In the system setting data 544, for example, parameters such as step rate information and step motor drive setting information are stored.
The reception setting data 545 stores parameters such as an automatic reception interval of satellite signals in the reception process of the GPS receiving device 58 and a timeout time until the reception process is completed when the satellite signal cannot be captured.

FIG. 15 is a diagram showing an example of local time reception setting data 546.
The local time reception setting data 546 includes area information, time difference (time zone), DST number, daylight saving time setting information (DST offset), time difference change information (time zone change information), and daylight saving time change information (DST change). Information) is stored in association with it. In the present embodiment, the daylight saving time implementation rule also includes the DST number in the local time reception setting data 546.

As shown in FIG. 16, the area information is information indicating each area when the geographic information is divided into a plurality of areas. Each region is, for example, a rectangular region having a length of about 1000 to 2000 km in the east-west and north-south directions. As the area information, coordinate data for specifying each area is stored. That is, in the case of a rectangular area, for example, the area can be specified by the coordinates (longitude, latitude) on the upper left of the area and the coordinates (longitude, latitude) on the lower right of the area, so that the coordinates of these two points are It is remembered.
Therefore, when the position information is acquired in the positioning mode, the control circuit 60A can select the area information based on the position information (latitude, longitude). In the present embodiment, the area information also corresponds to the area information.

Returning to FIG. 15, the time difference change information is the time difference change information scheduled in the future. The daylight saving time change information is the daylight saving time change information scheduled in the future. The control circuit 60A changes the time difference of the local time reception setting data 546 when the time difference is changed according to the time difference change information, and changes the time difference of the local time reception setting data 546 when the daylight saving time is changed according to the daylight saving time change information. Change the daylight saving time setting information.

As shown in FIG. 17, the control circuit 60A functions as a timekeeping unit 61, a time adjustment unit 62, a display control unit 63, a selection unit 64, a determination unit 65, an execution determination unit 66, a time measurement unit 67, and a positioning unit 68. ..

The time measuring unit 67 can determine that the electronic clock 1A is exposed to sunlight outdoors when the automatic reception timing set at a predetermined interval is met or the amount of light emitted to the electronic clock 1A is equal to or greater than the predetermined amount of light. In this case, it is determined that the automatic reception condition is satisfied, and the GPS receiving device 58 is operated to execute the reception process in the time measurement mode. Further, when the A button 41 is pressed for 3 seconds or more and less than 6 seconds and the forced reception operation in the time measurement mode is performed, the time measurement unit 67 operates the GPS receiving device 58 to execute the reception process in the time measurement mode. Let me. When the reception process in the time measurement mode is executed, the GPS receiving device 58 acquires at least one GPS satellite, receives a satellite signal transmitted from the GPS satellite, and acquires time information.

When the A button 41 is pressed for 6 seconds or longer and the positioning mode forced reception operation is performed, the positioning unit 68 operates the GPS receiving device 58 to execute the reception process in the positioning mode. When the reception process in the positioning mode is executed, the GPS receiving device 58 acquires at least three, preferably four or more GPS satellites, receives satellite signals transmitted from each GPS satellite, and obtains position information. Calculate and obtain. In addition, the GPS receiving device 58 can also acquire time information at the same time when receiving the satellite signal.
In the present embodiment, when the above automatic reception conditions are met, the reception process is performed in the time measurement mode, but the reception process may be selected so as to be performed in the positioning mode.

In the present embodiment, the selection unit 64 not only selects the time difference as the area information according to the operation of the manual operation unit 40, but also uses the position information acquired by the reception process of the positioning mode as the area information. Select the area information of.
Further, the determination unit 65 determines whether or not the information indicating that the area is the area where the daylight saving time is executed is stored in the daylight saving time implementation rule corresponding to the time difference or the area information selected by the selection unit 64.

In the electronic clock 1A, when the reception process of the time measurement mode is executed, the time adjustment unit 62 updates the internal time data 531 with the acquired time information to correct the internal time.
The reception process of the positioning mode will be described in the following description of the local time reception setting process.

[Local time reception setting processing]
The electronic clock 1A executes the following local time reception setting process in addition to the local time setting process described in the first embodiment.
18 and 19 are flowcharts showing the local time reception setting process executed by the electronic clock 1A.
The positioning unit 68 determines whether or not the A button 41 has been pressed for 6 seconds (S41). If NO is determined in S41, the positioning unit 68 repeatedly executes the process of S41.

If YES is determined in S41, the positioning unit 68 operates the GPS receiving device 58 to start the receiving process in the positioning mode (S42).
Then, the display control unit 63 displays the number of acquired GPS satellites (the number of acquired satellites) on the pointer 21 (S43). Specifically, the display control unit 63 causes the pointer 21 to instruct the position indicating the value at the time corresponding to the value of the number of acquired satellites among the positions indicating the value at the time from 0 to 11. Display the number. For example, when the number of captured satellites is 5, the 5 o'clock position (25 second position) is indicated.
Further, in S43, the display control unit 63 causes the pointer 24 to instruct "4+" to indicate that the reception mode is the positioning mode.

Next, the positioning unit 68 determines whether or not the positioning reception is successful, that is, whether or not the acquisition of the position information is successful (S44).
When it is determined as NO in S44, the display control unit 63 causes the pointer 21 to display the seconds of the display time, and causes the pointer 24 to display the battery capacity (S45). Then, the control circuit 60A ends the local time reception setting process.

On the other hand, if YES is determined in S44, the selection unit 64 selects the area information to which the acquired position information (latitude, longitude) belongs from the area information of the local time reception setting data 546 (S46).
Next, the display control unit 63 causes the guideline 21 to indicate the time difference associated with the area information selected in the local time reception setting data 546 (S47).
Then, the time adjustment unit 62 acquires the time difference (time zone) associated with the selected area information from the local time reception setting data 546 (S48).

Next, the determination unit 65 determines whether or not the DST number associated with the selected area information is 0 in the local time reception setting data 546 (S49). That is, in the daylight saving time implementation rule corresponding to the selected area information, it is determined whether or not the storage device 54 stores that the area is not the area where daylight saving time is implemented.
If it is determined to be YES in S49, the display control unit 63 causes the pointer 24 to instruct "OFF" to indicate that the storage device 54 stores that it is not the area where daylight saving time is implemented (S50).
Then, the time correction unit 62 corrects the display time of the display time data 532 by setting the time difference acquired in S48 in the time difference data 533 and setting (initializing) 0 hour in the daylight saving time offset data 534. (S51). Then, the display control unit 63 causes the pointers 22 and 23 to display the hour and minute of the display time. As a result, the hour and minute of the time reflecting the time difference corresponding to the selected area information is displayed.

On the other hand, when it is determined as NO in S49, the display control unit 63 causes the pointer 24 to instruct "DB" and displays that the storage device 54 stores that it is an area where daylight saving time is implemented (S52). ).
Then, the implementation determination unit 66 determines whether or not daylight saving time is being implemented based on the implementation period information of the daylight saving time implementation rule corresponding to the selected area information (S53).
Then, in S51, when it is determined in S53 that the daylight saving time is not being implemented, the time correction unit 62 sets the time difference acquired in S48 in the time difference data 533 and sets the daylight saving time offset data 534 to 0 hour. By (initializing), the display time of the display time data 532 is corrected. Then, the display control unit 63 causes the pointers 22 and 23 to display the hour and minute of the display time. As a result, the hour and minute of the time reflecting the time difference corresponding to the selected area information is displayed.
Further, when it is determined in S53 that daylight saving time is being implemented, the time adjustment unit 62 sets the time difference acquired in S48 in the time difference data 533. Further, from the daylight saving time reference data 542, the daylight saving time setting information corresponding to the selected area information is acquired by referring to the DST number, and is set in the daylight saving time offset data 534. As a result, the display time of the display time data 532 is corrected. Then, the display control unit 63 causes the pointers 22 and 23 to display the hour and minute of the display time. As a result, the time difference corresponding to the selected area information and the hour and minute of the time in which the daylight saving time setting information corresponding to the area information is reflected are displayed.

After the processing of S51, in S45, the display control unit 63 causes the pointer 21 to display the seconds of the display time, and causes the pointer 24 to display the battery capacity. Then, the control circuit 60A ends the local time reception setting process.

[Action and effect of the second embodiment]
According to the second embodiment, the same action and effect can be obtained by the same configuration as that of the first embodiment. Further, the following effects can be obtained.
That is, since the user can select the area information of the current location by pressing the A button 41 to receive the satellite signal, the user operates and selects each of the buttons 41 and 42 and the crown 43 until the area information of the current location is selected. Compared to the case, the area information of the current location can be easily selected.

[Third Embodiment]
The electronic clock of the third embodiment has a daylight saving time automatic display mode in which the daylight saving time switching process is executed and a daylight saving time non-display mode for the electronic clock 1 of the first embodiment and the electronic clock 1A of the second embodiment. A function that can be set by switching between the display mode and the display mode has been added. In the following description, the same reference numerals are given to the same configurations as those of the electronic clocks 1 and 1, and the description thereof will be omitted.

As shown in FIG. 20, the implementation status of daylight saving time is changed every year.
Therefore, if the local time setting data 541 or the daylight saving time reference data 542 stored in the electronic clock is not the latest version, the electronic clock does not display the daylight saving time even though it is the area where the daylight saving time is implemented, or the area where the daylight saving time is not implemented. It may display daylight saving time.
For example, in Haiti, daylight saving time has been implemented since 2012, but daylight saving time has been abolished in 2016. Therefore, when the data stored in the electronic clock is the 2015 version, the daylight saving time is displayed in Haiti even though the daylight saving time is not implemented.
Therefore, the electronic clock of the present embodiment is configured so that a daylight saving time non-display mode that does not display daylight saving time can be set.

As shown in FIG. 21, the control circuit 60B of the electronic clock of the present embodiment has a timing unit 61, a time adjustment unit 62, a display control unit 63, a selection unit 64, a determination unit 65, an implementation determination unit 66, and a mode setting unit 69. Functions as. The control circuit 60B may also function as a time measuring unit 67 and a positioning unit 68.
The mode setting unit 69 sets either the daylight saving time automatic display mode or the daylight saving time non-display mode according to the operation of the manual operation unit 40.

[Display mode switching process]
FIG. 22 is a flowchart showing a display mode switching process executed by the electronic clock of the present embodiment. The display mode switching process is executed in the local time setting process shown in FIG. 8 from the time when the input of the operation signal is permitted in S13 until the rotation operation of the crown 43 is performed.
When the display mode switching process is executed, the mode setting unit 69 determines whether or not the A button 41 has been pressed (S71). If NO is determined in S71, the mode setting unit 69 repeatedly executes the process of S71.

If YES is determined in S71, the mode setting unit 69 determines whether or not the currently set display mode is the daylight saving time automatic display mode (S72).
If YES is determined in S72, the mode setting unit 69 sets the daylight saving time non-display mode (S73).
Then, the display control unit 63 causes the pointer 24 to instruct "OFF" to display that the daylight saving time non-display mode is set (S74).
Then, the time correction unit 62 sets (initializes) 0 hour in the daylight saving time offset data 534 and corrects the display time (S75). Then, the display control unit 63 causes the pointers 22 and 23 to display the hour and minute of the display time. Then, the control circuit 60B returns the process to S71.

On the other hand, if NO is determined in S72, the mode setting unit 69 sets the daylight saving time automatic display mode (S76). As a result, the daylight saving time switching process shown in FIG. 10 is executed.
Next, the time adjustment unit 62 determines whether or not the DST number corresponding to the selected area information is 0 (S77). When it is determined YES in S77, the display control unit 63 maintains the state in which the pointer 24 indicates "OFF", the daylight saving time automatic display mode is set, and corresponds to the selected area information. In the daylight saving time implementation rule, it is displayed that the area where daylight saving time is implemented is not stored in the storage device 54. That is, the display of "OFF" indicates the daylight saving time in the "daylight saving time non-display mode is set" or in the daylight saving time implementation rule corresponding to the selected area information in which the daylight saving time automatic display mode is set. It means that the area to be implemented is not stored in the storage device 54. "
When it is determined as NO in S77, the display control unit 63 causes the pointer 24 to instruct "DB", sets the daylight saving time automatic display mode, and sets the daylight saving time in the daylight saving time implementation rule corresponding to the selected area information. It is displayed that the area to be implemented is stored in the storage device 54 (S78).

Then, in S75, when the daylight saving time is not being implemented, the time correction unit 62 corrects the display time by setting (initializing) 0 hour in the daylight saving time offset data 534. When daylight saving time is being implemented, the daylight saving time setting information of the daylight saving time reference data 542 corresponding to the selected area information is set in the daylight saving time offset data 534 to correct the display time.
Then, the display control unit 63 causes the pointers 22 and 23 to display the hour and minute of the display time. Then, the control circuit 60B returns the process to S71.

[Action and effect of the third embodiment]
According to the third embodiment, the same action and effect can be obtained by the same configuration as in the first and second embodiments. Further, the following effects can be obtained.
That is, for example, when the user displays that the data stored in the electronic clock is not the latest version and that daylight saving time is remembered even though a region where daylight saving time is not implemented is selected. Can prevent the daylight saving time from being displayed by operating the manual operation unit 40 to set the daylight saving time non-display mode.

Further, even if the area to be selected is not stored in the local time setting data 541, the time can be easily corrected. For example, the user chooses a time difference of +10 hours when setting the time in Brisbane, Australia. Although daylight saving time is not implemented in Brisbane, local time setting data 541 indicates that the time difference of +10 hours is associated with Sydney's daylight saving time implementation rules, so it is remembered that it is a region where daylight saving time is implemented. Will be done. Therefore, the user can correctly set the time in Brisbane by operating the manual operation unit 40 to set the daylight saving time non-display mode and not to display the daylight saving time.

Further, since it is possible to grasp which display mode is set among the daylight saving time automatic display mode and the daylight saving time non-display mode, the display mode can be easily selected.

[Fourth Embodiment]
In the electronic clock of the fourth embodiment, the mode setting unit 69 sets the daylight saving time display mode in which the daylight saving time is always displayed in addition to the daylight saving time automatic display mode and the daylight saving time non-display mode with respect to the electronic clock of the third embodiment. do. In this fourth embodiment, the daylight saving time reference data 542 shown in FIG. 23 is stored instead of the daylight saving time reference data 542 shown in FIG. 6 of the first embodiment. In the daylight saving time reference data 542 shown in FIG. 23, when the DST number is “0”, +1 hour is stored in the DST offset.

As shown in FIG. 20, for example, in Turkey, in 2016, daylight saving time is set all year round, that is, standard time is set to daylight saving time, and daylight saving time is abolished. Therefore, if the data stored in the electronic clock is the 2015 version, the time delayed by one hour (time that is not daylight saving time) will be delayed by one hour in the period that does not correspond to the daylight saving time implementation period that was implemented until 2015 in Turkey. It will be displayed.
Therefore, the electronic clock of the present embodiment is configured so that the daylight saving time display mode in which the daylight saving time is always displayed can be set.

In the electronic clock of the present embodiment, as shown in FIG. 24, the alphabetic character "ON" is written along with the alphabetic characters "DB" and "OFF" on the outer circumference of the rotation region of the pointer 24. The pointer 24 indicates that the daylight saving time display mode is set by instructing ON.

[Display mode switching process]
FIG. 25 is a flowchart showing a display mode switching process executed by the electronic clock of the present embodiment.
When the display mode switching process is executed, the mode setting unit 69 determines whether or not the A button 41 has been pressed (S91).
If YES is determined in S91, the mode setting unit 69 determines whether or not the currently set display mode is the daylight saving time automatic display mode (S92).
If YES is determined in S92, the mode setting unit 69 sets the daylight saving time non-display mode (S93).
Then, the display control unit 63 causes the pointer 24 to instruct "OFF" to display that the daylight saving time non-display mode is set (S94).
Then, the time correction unit 62 initializes the daylight saving time offset data 534 and corrects the display time (S95). Then, the display control unit 63 causes the pointers 22 and 23 to display the hour and minute of the display time. Then, the control circuit returns the process to S91.

On the other hand, when it is determined as NO in S92, the mode setting unit 69 determines whether or not the currently set display mode is the daylight saving time non-display mode (S96).
If YES is determined in S96, the mode setting unit 69 sets the daylight saving time display mode (S97).
Then, the display control unit 63 causes the pointer 24 to instruct "ON" to display that the daylight saving time display mode is set (S98).
Then, in S95, the time correction unit 62 corrects the display time by setting the daylight saving time setting information corresponding to the selected area information in the daylight saving time offset data 534. Then, the display control unit 63 causes the pointers 22 and 23 to display the hour and minute of the display time. Then, the control circuit returns the process to S91.

If NO is determined in S96, the mode setting unit 69 sets the daylight saving time automatic display mode (S99). As a result, the daylight saving time switching process shown in FIG. 10 is executed.
Next, the time adjustment unit 62 determines whether or not the DST number corresponding to the selected area information is 0 (S100).

If YES is determined in S100, in S94, the display control unit 63 causes the pointer 24 to instruct "OFF", the daylight saving time automatic display mode is set, and the daylight saving time implementation rule corresponding to the selected area information is set. , It is displayed that the storage device 54 does not store the area where daylight saving time is implemented. That is, the display of "OFF" indicates the daylight saving time in the "daylight saving time non-display mode is set" or in the daylight saving time implementation rule corresponding to the selected area information in which the daylight saving time automatic display mode is set. It means that the area to be implemented is not stored in the storage device 54. "
Then, in S95, the time correction unit 62 corrects the display time by setting (initializing) 0 hour in the daylight saving time offset data 534. Then, the display control unit 63 causes the pointers 22 and 23 to display the hour and minute of the display time. Then, the control circuit returns the process to S91.

On the other hand, when it is determined as NO in S100, the display control unit 63 causes the pointer 24 to instruct "DB", the daylight saving time automatic display mode is set, and the daylight saving time implementation rule corresponding to the selected area information is set. It is displayed that the storage device 54 stores the area where daylight saving time is to be implemented (S101).

Then, in S95, when the daylight saving time is not being implemented, the time correction unit 62 corrects the display time by setting (initializing) 0 hour in the daylight saving time offset data 534. When daylight saving time is being implemented, the daylight saving time setting information of the daylight saving time reference data 542 corresponding to the selected area information is set in the daylight saving time offset data 534 to correct the display time.
Then, the display control unit 63 causes the pointers 22 and 23 to display the hour and minute of the display time. Then, the control circuit returns the process to S91.

[Action and effect of the fourth embodiment]
According to the fourth embodiment, the same action and effect can be obtained by the same configuration as that of the third embodiment. Further, the following effects can be obtained.
That is, for example, when the user displays that the area where daylight saving time is implemented is not remembered even though the area where daylight saving time is implemented is selected (guideline 24 indicates "OFF"). , Daylight saving time can be displayed by operating the manual operation unit 40 to set the daylight saving time display mode during the daylight saving time implementation period.
Further, since it is possible to grasp which display mode is set among the daylight saving time automatic display mode, the daylight saving time display mode, and the daylight saving time non-display mode, the display mode can be easily selected.

In the present embodiment, in the case of the DST number "0" of the daylight saving time reference data 542 in FIG. 23, +1 hour is stored in the DST offset, but it is not stored in the daylight saving time reference data 542 but is stored in another memory. It may be stored in the area as daylight saving time setting information.

[Fifth Embodiment]
The electronic clock of the fifth embodiment is obtained by adding a radio wave receiving unit for receiving standard radio waves to the electronic clocks of the first to fourth embodiments. In the following description, an example in which a radio wave receiving unit is added to the electronic clock 1 of the first embodiment will be described, the same reference numerals will be given to the same configuration as the electronic clock 1, and the description will be omitted.

In the electronic clock 1C of the present embodiment, as shown in FIG. 26, the letter "R" is written on the outer circumference of the rotation region of the pointer 24. The pointer 24 indicates that the standard radio wave is being received by instructing R.

FIG. 27 is a diagram showing a circuit configuration of the electronic clock 1C.
The electronic clock 1C includes a secondary battery 130A, a solar cell 135, and a radio wave receiving device 59 connected to the control device 100C. Further, the control device 100C includes a diode 71, a charge control switch 72, and a voltage detection circuit 73.

Although not shown, the radio wave receiving device 59 as a radio wave receiving unit is a general receiving device including a tuning circuit, an amplifier circuit, a bandpass filter, an envelope detection circuit, an AGC (Auto Gain Control) circuit, a binarization circuit, and the like. It is a device.
The radio wave receiving device 59 is configured to be able to receive a plurality of standard radio waves. In this embodiment, the standard radio wave "JJY" in Japan, the standard radio wave "WWVB" in the United States, the standard radio wave "DCF77" in Germany, and the standard radio wave "MSF" in the United Kingdom can be received.
Here, in addition to the time information, each standard radio wave includes implementation status information indicating whether or not daylight saving time is being implemented. The radio wave receiving device 59 receives the standard radio wave, acquires the time information and the execution status information, and outputs the time information and the execution status information to the control circuit 60C.

In the present embodiment, the time correction unit 62 updates the internal time data 531 with the time information acquired by receiving the standard radio wave to correct the internal time.
In addition, the implementation determination unit 66 determines whether or not daylight saving time is being implemented based on the acquired implementation status information.

[Standard radio wave reception processing]
FIG. 28 is a flowchart showing a standard radio wave reception process executed by the electronic clock 1C.
The control circuit 60C determines whether or not the A button 41 has been pressed for 6 seconds (S111). If NO is determined in S111, the control circuit 60C repeatedly executes the process of S111.

If YES is determined in S111, the control circuit 60C operates the radio wave receiving device 59 to start the receiving process (S112).
Then, the display control unit 63 causes the pointer 24 to indicate "R" to indicate that the standard radio wave is being received (S113).

Next, the control circuit 60C determines whether or not the reception is successful, that is, whether or not the time information and the execution state information can be acquired (S114).
If NO is determined in S114, the display control unit 63 causes the pointer 24 to display the battery capacity (S115). Then, the control circuit 60C ends the standard radio wave reception process.

On the other hand, if YES is determined in S114, the implementation determination unit 66 determines whether or not daylight saving time is being implemented based on the acquired implementation status information (S116).
If YES is determined in S116, the display control unit 63 causes the pointer 24 to instruct "DB" to indicate that daylight saving time is being implemented (S117).
On the other hand, when it is determined as NO in S116, the display control unit 63 causes the pointer 24 to instruct "OFF" to indicate that daylight saving time is not being implemented (S118).

After the processing of S117 or S118, the time adjustment unit 62 updates the internal time data 531 based on the acquired time information to correct the internal time. Specifically, the UTC is calculated by subtracting the set time difference from the time indicated by the acquired time information, and the internal time data 531 is updated with the calculated UTC. As a result, the display time is corrected (S119). Then, the display control unit 63 causes the pointers 21, 22, and 23 to display the hours, minutes, and seconds of the display time.
After that, in S115, the display control unit 63 causes the pointer 24 to display the battery capacity. Then, the control circuit 60C ends the standard radio wave reception process.
The reception process may be executed at a preset time.

[Action and effect of the fifth embodiment]
According to the fifth embodiment, the same effect can be obtained by the same configuration as that of the first to fourth embodiments. Further, the following effects can be obtained.
That is, by executing the standard radio wave reception process, the user can grasp whether or not daylight saving time is being implemented.
Further, since it is possible to determine whether or not daylight saving time is being implemented based on the implementation status information, it is not necessary to determine, for example, whether or not the current time corresponds to the implementation period of daylight saving time. Therefore, it is possible to easily determine whether or not daylight saving time is being implemented.

[Sixth Embodiment]
The electronic clock 1E of the sixth embodiment will be described with reference to FIGS. 29 to 33. The electronic clock 1E has the same configuration as the electronic clock 1A of the second embodiment, and is different from the electronic clock 1A in that the daylight saving time display mode and the daylight saving time non-display mode can be manually selected. Therefore, in FIGS. 29 to 33, the same components as those of the electronic clock 1A are designated by the same reference numerals, and the description thereof will be omitted.
As shown in FIG. 29, the electronic clock 1E has daylight saving time (in addition to information indicating a calendar (day of the week), symbol 12 indicating the remaining battery level, and information indicating a reception mode, as information that can be instructed by the pointer 24. It is configured so that three pieces of information regarding "DB", "OFF", and "ON" regarding DST) can be instructed.

The “DB” is information instructed when the daylight saving time automatic display mode is set, as in the second embodiment. "ON" is the information indicated by the guideline 24 when the user manually selects the daylight saving time display mode, and "OFF" is the information indicated by the guideline 24 when the user manually selects the daylight saving time non-display mode. Is the information that is instructed.

The electronic clock 1E includes a control circuit 60E as shown in FIG. The control circuit 60E includes a time measuring unit 61, a time adjusting unit 62, a display control unit 63, a selection unit 64, a determination unit 65, an execution determination unit 66, a time measuring unit 67, a positioning unit 68, and a mode setting unit 69. The timing unit 61 to the positioning unit 68 are the same as the control circuit 60A of the second embodiment. Similar to the third embodiment, the mode setting unit 69 sets either the daylight saving time display mode or the daylight saving time non-display mode according to the operation of the manual operation unit 40. Further, the mode setting unit 69 sets either the daylight saving time automatic display mode or the daylight saving time non-display mode according to the daylight saving time implementation rule (DST number) of the current location area by the positioning reception process.

Next, the reception process of the electronic clock 1E will be described with reference to FIGS. 31 and 32. In FIGS. 31 and 32, the same processes as those in FIGS. 18 and 19 of the second embodiment are designated by the same reference numerals, and the description thereof will be omitted.
The control circuit 60E of the electronic clock 1E determines whether or not the A button 41 is pressed for 6 seconds (S41). If YES is determined in S41, the positioning unit 68 is activated, and the positioning unit 68 executes S42 to S44 as in the second embodiment, and if the positioning reception is successful (YES in S44), S46, S47 is executed, and further, the process of FIG. 32 is executed. If the positioning reception fails (NO in S44), S45 in FIG. 32 is executed as in the second embodiment. The mode setting unit 69 sets the daylight saving time non-display mode (OFF) when the determination unit 65 determines YES in S49, and sets the daylight saving time automatic display mode (DB) when the determination unit 65 determines NO in S49. do.

When the control circuit 60E of the electronic clock 1E determines NO in S41, it determines whether the A button 41 has been pressed for 3 seconds or more and less than 6 seconds (S201). If YES is determined in S201, the time measuring unit 67 is activated, and the time measuring unit 67 executes S202 to S204. That is, the time measuring unit 67 operates the GPS receiving device 58 to start the receiving process in the time measuring mode (S202).
Then, the display control unit 63 displays the number of captured GPS satellites (number of captured satellites) on the pointer 21 as in S43 in the positioning mode (S203). Further, in S203, the display control unit 63 causes the pointer 24 to instruct "1" to indicate that the reception mode is the time measurement mode.

Next, the time measuring unit 67 determines whether or not the positioning reception is successful, that is, whether or not the time information (UTC) is successfully acquired (S204).
When it is determined as NO in S204, the display control unit 63 causes the pointer 21 to display the seconds of the display time, and causes the pointer 24 to display the battery capacity (S45). Then, the control circuit 60E ends the reception process.

On the other hand, if YES is determined in S204, the time adjustment unit 62 uses the received time information (UTC) and the currently set time difference (time zone) and daylight saving time information to display the time data for display. The display time of 532 is corrected (S51). Then, the display control unit 63 causes the pointers 22 and 23 to display the hour and minute of the display time. As a result, the time in which the time difference corresponding to the currently selected area information is reflected is displayed.
After the processing of S51, in S45, the display control unit 63 causes the pointer 21 that has indicated the number of captured satellites to display the seconds of the display time, and causes the pointer 24 to display the battery capacity. Then, the control circuit 60E ends the reception process.
Since the area (time zone) is not changed during the time measurement reception, the guideline 24 does not specify the daylight saving time information in the present embodiment, but before the battery capacity display of S45 is performed as in the positioning reception process. In addition, the guideline 24 may indicate the daylight saving time information (either DB, ON, or OFF) currently set for a certain period of time.

[Display mode switching process]
FIG. 33 is a flowchart showing a display mode switching process executed by the electronic clock 1E of the present embodiment.
The control circuit 60E determines whether or not the A button 41 is pressed while the crown 43 is pulled one step (S211). If YES in S211 is determined, the control circuit 60E executes the display mode switching process by the mode setting unit 69.
If YES in S211 is determined, the mode setting unit 69 determines whether or not the currently set display mode is the daylight saving time automatic display mode or the daylight saving time display mode (S212).

If YES is determined in S212, the mode setting unit 69 sets the daylight saving time non-display mode (S213). Then, the display control unit 63 causes the pointer 24 to instruct "OFF" to display that the daylight saving time non-display mode is set (S214).
The time correction unit 62 initializes the daylight saving time offset data 534 and corrects the display time (S215). The display control unit 63 causes the pointers 22 and 23 to display the hour and minute of the display time. Then, the control circuit 60E returns the process to S211.

On the other hand, when it is determined as NO in S212, the mode setting unit 69 sets the daylight saving time display mode (S216). Then, the display control unit 63 causes the pointer 24 to instruct "ON" to display that the daylight saving time display mode is set (S217).
The time correction unit 62 corrects the display time by setting the daylight saving time setting information corresponding to the selected area information in the daylight saving time offset data 534 (S215). The display control unit 63 causes the pointers 22 and 23 to display the hour and minute of the display time. Then, the control circuit 60E returns the process to S211.
The above display mode switching process is completed by changing the crown 43 from the 1st step position to the 0th step position or the 2nd step position.

Therefore, in the electronic clock 1E, when the positioning reception process is performed, the time zone and the DST number indicating the type of the daylight saving time implementation rule are acquired from the acquired position information (area), and the daylight saving time implementation rule is set. If the area is, that is, if the DST number is other than "0", the daylight saving time automatic display mode (DB) is set, and if the daylight saving time implementation rule is not set, that is, if the DST number is "0", the daylight saving time is hidden. Set the mode (OFF).
Further, when the user pulls the crown 43 to the first step position and presses the A button 41 to execute the display mode switching process, the mode setting unit 69 displays the daylight saving time each time the A button 41 is pressed. The mode (ON) and the daylight saving time non-display mode (OFF) are alternately selected. Therefore, when the daylight saving time implementation rule is changed but the local time reception setting data 546 is not updated, the presence or absence of the daylight saving time display can be set manually. When the daylight saving time display mode (ON) is set, the time correction unit 62 may normally set the data set in the daylight saving time offset data 534 to +1 hour. However, if the selected area is the area in which the DST offset is set to +0.5 hours in the local time setting data 541 (the area where the index in FIG. 5 is 18), the daylight saving time offset data 534 is +0. It may be set to 5 hours. That is, when the daylight saving time display mode (ON) is manually set, the daylight saving time offset data 534 may be set in advance for each time zone, and the preset time is basically used a lot in daylight saving time. +1 hour may be set, and +0.5 hour or the like may be set depending on the area. Further, the daylight saving time offset data 534 may be configured to be inputtable by the user's operation of the crown 43 or the like.

When the user manually selects the daylight saving time display mode (ON) and then executes the time measurement reception process, the display time is corrected by the received time information (UTC), the time zone time difference, and the daylight saving time offset data 534. ..
In addition, when the user manually sets the daylight saving time display mode (ON) or the daylight saving time non-display mode (OFF), until the daylight saving time automatic display mode (DB) or the daylight saving time non-display mode (OFF) is set by the positioning reception process. The manual operation setting is maintained.

[Action and effect of the sixth embodiment]
According to the sixth embodiment, the same effect can be obtained by the same configuration as that of the first to fourth embodiments. Further, the following effects can be obtained.
Since the daylight saving time display mode (ON) or the daylight saving time non-display mode (OFF) can be set by the user's manual operation, the presence or absence of the daylight saving time display can be selected by the user's intention. Therefore, even if the local time reception setting data 546 or the like is not updated to the latest data immediately after the change of the daylight saving time implementation rule, the time corresponding to the changed rule can be displayed, and the convenience can be improved. .. In addition, the daylight saving time display mode (ON) or the daylight saving time non-display mode (OFF) can be set manually, and the daylight saving time automatic display mode (DB) cannot be selected, so the display time can be set as the user intended. It can be set and provides easy-to-understand operability for the user.

[Other Embodiments]
The present invention is not limited to the above-described embodiment, and modifications, improvements, and the like within the range in which the object of the present invention can be achieved are included in the present invention.

In the above embodiment, in the local time setting process and the local time reception setting process, the display control unit 63 stores that the area is the area where daylight saving time is executed in the daylight saving time implementation rule associated with the selected area information. When the information is stored in the storage device 54, the guideline 24 indicates that the area where daylight saving time is implemented is stored in the storage device 54, but the present invention is not limited to this. For example, the display control unit 63 may display in the guideline 24 whether or not daylight saving time is being implemented, in addition to storing in the storage device 54 that the area is where daylight saving time is being implemented.
In this case, on the dial of the electronic clock, for example, as shown in FIG. 34, the letters "DB" and "ON" located inside the letters "DB" are displayed outside the rotation region of the pointer 24. The letters "OFF" are written. By instructing this "ON", the guideline 24 indicates that the area where daylight saving time is to be implemented is stored in the storage device 54 and that daylight saving time is being implemented. In addition, by instructing "OFF", it is displayed in the storage device 54 that the area where daylight saving time is implemented is stored, and that daylight saving time is not being implemented.
In this example, the letters "MA" and the letters "ON" and "OFF" located inside the letters "MA" are further written outside the rotation region of the pointer 24. The pointer 24 indicates that the daylight saving time display mode is set by instructing this "ON", and indicates that the daylight saving time non-display mode is set by instructing "OFF". In addition, by instructing "ON" or "OFF" inside the "DB", it is displayed that the daylight saving time automatic display mode is set.

Further, in the daylight saving time switching process of this modified example, as shown in FIG. 35, when it is determined in S32 that it is the start time of daylight saving time (determined to be YES in S32), the display control unit 63 sends the pointer 24 to the pointer 24. Instruct "ON" inside the "DB" to indicate that daylight saving time is being implemented (S121).
On the other hand, when it is determined in S34 that it is the end time of daylight saving time (YES in S34), the display control unit 63 causes the pointer 24 to display "OFF" inside the "DB" and is executing daylight saving time. It is displayed that it is not (S122).

In the above-described embodiment, whether or not the storage device 54 stores the area where daylight saving time is implemented, whether or not daylight saving time is being implemented, the display mode, and the like are displayed by the guideline 24. The invention is not limited to this. For example, the guideline 21 may be used to display this information.
For example, in the display mechanism of the electronic clock of the fourth embodiment, as shown in FIG. 36, the dial ring 35 is represented by the letters “DB”, “OFF”, and “ON”, and the pointer 21 is used to indicate these letters. It may be configured to instruct. Further, as shown in FIG. 37, the display mechanism of the electronic clock of the above-described modification has the alphabetic characters "DB" and "MA" written on the dial 11, and the dial ring 35 has "DB" and "MA". The letters "OFF" and "ON" are written in the vicinity, respectively. Then, these alphabetic characters may be indicated by the guideline 21.
Further, the daylight saving time information such as "DB", "OFF", and "ON" indicated by the guideline 24 in each of the above embodiments may be displayed using a calendar car 25 such as a day car or a day car. , A display vehicle different from the calendar vehicle 25 may be prepared and displayed. For example, the sixth embodiment shown in FIG. 29 is configured such that the guideline 24 indicates any one of “DB”, “OFF”, and “ON” as the daylight saving time information currently set. Therefore, "DB", "OFF", and "ON" are written on the calendar car 25 by printing or the like, and the calendar car 25 is moved at the time of steps S50 and S52 in FIG. 32 and steps S214 and S217 in FIG. Then, it may be configured to display any one of "DB", "OFF", and "ON". Further, a dedicated display vehicle for displaying "DB", "OFF", and "ON" may be prepared. Further, "DB", "OFF", "ON", etc. may be indicated on the information display vehicle for displaying information other than the calendar, and the information display vehicle may also be used for displaying daylight saving time information. .. Display vehicles that display information other than the calendar include, for example, display vehicles that display city information that indicates the time zone, and display vehicles that display information such as temperature, altitude, and direction measured by sensors installed in electronic clocks and the like. Is.

In the second embodiment, the local time reception setting data 546 is stored in the storage device 54 included in the control device 100A, but the present invention is not limited to this. For example, the local time reception setting data 546 may be stored in a storage device included in the GPS receiving device 58 or a storage device externally attached to the GPS receiving device 58. In this case, the GPS receiving device 58 selects the area information based on the acquired position information, and outputs the time difference, DST number, and daylight saving time setting information associated with the selected area information to the control circuit 60A.

In the above embodiment, the daylight saving time reference data 542 stores the daylight saving time setting information corresponding to the area information, but the present invention is not limited to this. For example, when the daylight saving time setting information (for example, +1 hour) common to each area information is stored in the storage device 54, and the display time is corrected by the daylight saving time setting information regardless of which area information is selected, the display time is corrected. , The daylight saving time setting information may not be stored in the daylight saving time reference data 542 corresponding to the area information.

In the above embodiment, the information display unit and the time display unit are composed of a pointer and a dial, but the present invention is not limited thereto. For example, it may be configured by a digital display device such as a liquid crystal display device. In this case, it is not necessary to store the hand position in the local time setting data 541.

In the second embodiment, the GPS satellite has been described as an example of the position information satellite, but the present invention is not limited thereto. For example, as the position information satellite, satellites used in other global navigation satellite systems (GNSS) such as Galileo (EU), GLONASS (Russia), and Beidou (China) can be applied. In addition, geostationary satellites such as a geostationary satellite navigation augmentation system (SBAS) and satellites such as a regional satellite positioning system (RNSS) that can search only in a specific area such as a quasi-zenith satellite can also be applied.

In each of the above embodiments, the daylight saving time implementation rule includes the DST number of the local time setting data 541, the DST number of the daylight saving time reference data 542, the daylight saving time implementation period, and the daylight saving time setting information. Not limited. For example, the local time setting data 541 may store the daylight saving time implementation period and the daylight saving time setting information in association with the regional information. In this case, if the daylight saving time implementation period and daylight saving time setting information are included corresponding to the area information, it is determined that the area indicates that the area is to implement daylight saving time, and the daylight saving time implementation period and daylight saving time setting information are included corresponding to the area information. If not, it may be determined that it is not an area where daylight saving time is implemented.

1,1A, 1C ... Electronic clock, 11,11A ... Dial, 21-24 ... Pointer, 40 ... Manual operation unit, 41 ... A button, 42 ... B button, 43 ... Crown, 54 ... Storage device, 58 ... GPS receiver, 59 ... Radio receiver, 60, 60A, 60B, 60C ... Control circuit, 61 ... Clocking unit, 62 ... Time adjustment unit, 63 ... Display control unit, 64 ... Selection unit, 65 ... Judgment unit, 66 ... Execution judgment unit, 67 ... Time measurement unit, 68 ... Positioning unit, 69 ... Mode setting unit, 100, 100A, 100C ... Control device, 513 ... Internal time data, 532 ... Display time data, 533 ... Time difference data, 534 ... Daylight saving time offset data, 541 ... local time setting data, 542 ... daylight saving time reference data, 546 ... local time reception setting data.

Claims (5)

Information display and
A time display unit that displays time information and
A time correction unit that corrects the time information,
And region information of multiple, and daylight saving time setting information indicating a time difference between corresponding and standard time in the implementation period information and the area information indicating the implementation period of the corresponding and the daylight saving time in said local information is a region in which Daylight Saving Time A storage unit that stores the daylight saving time implementation rules, including
A satellite signal receiver that receives satellite signals and calculates and acquires the position information of the current location based on the received signals.
A selection unit that selects the area information to which the current location belongs from the plurality of area information stored in the storage unit based on the location information.
Based on the daylight saving time implementation rule corresponding to the area information selected by the selection unit, a determination unit for determining whether or not the area is to implement daylight saving time, and
When it is determined by the area information selected based on the location information that the area is the area where the daylight saving time is executed, the daylight saving time switching process for automatically displaying the daylight saving time is executed based on the daylight saving time implementation rule. A mode setting unit that sets the display mode and sets the mode in which the daylight saving time switching process is not executed when it is determined that the area is not the area where the daylight saving time is executed based on the area information selected based on the position information.
A display control unit that displays the mode set by the mode setting unit on the information display unit, and
It is provided with an implementation determination unit that determines whether or not daylight saving time is being implemented based on the implementation period information.
The time adjustment unit
When the daylight saving time automatic display mode is set and it is determined that the daylight saving time is being implemented, the daylight saving time information is corrected based on the daylight saving time setting information to display the daylight saving time.
An electronic clock characterized in that standard time is displayed when the daylight saving time automatic display mode is set and it is determined that daylight saving time is not being implemented. In the electronic clock according to claim 1,
Equipped with a manual operation unit
The electronic clock is characterized in that the selection unit selects one of the plurality of regional information according to the operation of the manual operation unit. In the electronic clock according to claim 1 or 2.
Before Symbol display control unit,
An electronic clock characterized in that when it is determined that daylight saving time is being implemented, the information display unit displays that daylight saving time is being implemented. In the electronic clock according to any one of claims 1 to 3.
The information display unit is an electronic clock characterized in that it is composed of a pointer and a dial. Information display and
A time display unit that displays time information and
Includes a plurality of area information, implementation period information corresponding to the area information that is the area where daylight saving time is implemented and indicating the implementation period of the daylight saving time, and daylight saving time setting information corresponding to the area information and indicating the time difference from the standard time. a storage unit for storing the Daylight Saving rules,
It is a control method of an electronic clock equipped with
The step of receiving the satellite signal and calculating and acquiring the position information of the current location based on the received signal,
A step of selecting the area information to which the current location belongs from the plurality of area information among the plurality of area information stored in the storage unit based on the location information, and
Based on the daylight saving time implementation rule corresponding to the selected area information, a step of determining whether or not the area is to implement daylight saving time, and
When it is determined that the area is the area where the daylight saving time is executed based on the area information selected based on the location information, the daylight saving time switching process for automatically displaying the daylight saving time is executed based on the daylight saving time implementation rule. When the mode is set and the area information selected based on the location information determines that the area is not the area where the daylight saving time is executed, the step of setting the mode to the mode in which the daylight saving time switching process is not executed, and
When the daylight saving time automatic display mode is set and it is determined that the daylight saving time is being implemented, the daylight saving time information is corrected to display the daylight saving time based on the daylight saving time setting information, and the daylight saving time automatic display mode is set. A method of controlling an electronic clock , which comprises a step of displaying standard time when it is determined that daylight saving time is not in progress.

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