JPH0448288B2 - - Google Patents

Description

[Detailed description of the invention] (b) Industrial application fields The present invention relates to a tuner with a clock.

(B) Prior Art Conventionally, a tuner with a clock equipped with a display that selectively displays a time display and a frequency display and a key that controls a radio function is disclosed in, for example, Japanese Patent Publication No. 59-1010 (H04B 1). /16) is publicly known.

By the way, this type of tuner with a clock is generally equipped with a so-called timer function that turns on and off the power of the device at a desired time using a built-in clock section.

That is, a key and a circuit for setting the timer operation time are provided in addition to the keys for controlling the radio function, and by operating the key, the timer operation start time and timer operation end time are set in the circuit. , when the current time information output from the clock unit matches the timer operation start time, the power to the device is turned on, and when it matches the timer operation end time, the device is turned off. .

(c) Problems to be solved by the invention When a timer function is provided, a clear key for erasing the set timer time is generally added to simplify the operation of changing or canceling the timer time setting time. There is.

However, since the conventional technology requires a clear key, there is a problem that, for example, when the key arrangement space is narrow, it imposes restrictions on design and circuit arrangement, reducing the degree of freedom in design.

(d) Means for Solving the Problems In view of the above problems, the present invention provides a display that selectively displays the time and frequency, a key that controls the radio function, and a timer that sets the operating time. a tuner with a clock, which is equipped with a timer time setting means for setting the timer, and when the time is displayed on the display, the timer operation time set by the timer time setting means in response to the operation of the key; This invention provides a tuner with a clock, characterized in that it is provided with a control section for erasing the time.

(E) Effect According to the present invention, when the time is displayed on the display, keys for controlling radio functions, for example, are used to write and read out tuning data to and from the tuning data storage means. When the preset key is operated, the timer operation time set by the timer time setting means is erased.

(f) Embodiment FIG. 1 is a functional block diagram of an embodiment of the present invention. In Fig. 1, 1 is a key input section, including a band key 2, an auto/manual key 3 for switching between automatic sweep mode and manual sweep mode, an up sweep key 4, a down sweep key 5, and a start key for setting the timer time. /Stop key 6・Sleeve key 7・Increase key 8 and decrease key 9 operated during time adjustment・Timer key 10 for setting to timer operation mode・ADJ key 11 for setting to time adjustment mode・Hour/minute switch It is provided with a key 12 and preset keys 13-17. 18 is a control unit consisting of a microcomputer, and 19 is a timer.
The first clock circuit clocks t ₁ , 20 the second clock circuit clock t ₂ , and the third circuit 21 clocks the clock t ₃ .
A timing circuit, 22 is a sleeve timing circuit that measures sleeve time, 23 is a key operation frequency detection section that detects the number of key operations, 24 is a display that displays time and frequency, and 25 is to be executed by the control section 18. Stores programs, constant data, etc.
ROM 26 is a RAM in which frequency division ratio data and the like are temporarily stored.

Next, the operation will be explained with reference to FIGS. 2 to 6.

First, to explain the outline of the present invention, step
After the time display state is set in step (1), it is determined in step (2) whether or not band key 2 has been operated. If not, it is determined whether or not the timer time setting mode is set [step (3)], determining whether or not the sleeve time setting mode is set [step (4)], determining whether the mode is time adjustment mode [step (5)], and determining whether the mode is timer confirmation mode [step (6)]. conduct.

That is, when displaying the time, only key operations related to the clock function are accepted, and key operations related to the radio function are not accepted.

If none of the modes from step (3) to step (6) is set, the process returns to step (2) and the above-described operation is repeated. The operation when each mode is set will be described later.

On the other hand, if it is determined in step (2) that the band key 2 has been operated, the process proceeds to step (7), and the display 2
4 to the frequency display state.

Then, at the same time as setting the frequency display state, the control section 18 outputs a control signal to control the first clock circuit 19.
Starts the timing operation. During the timekeeping operation of the first timekeeping circuit 19, all key operations related to the radio function and the clock function are accepted.

That is, it is determined whether the band key 2 is operated [step (8)], and whether or not the automatic sweep mode is set [step (8)].
(9)], Determining whether manual sweep mode is selected [step (10)], Determining whether or not the preset key has been operated [step (1)]
1)], Determine whether or not the timer time setting mode is set [step (12)], Determine whether the sleeve time setting mode is set [step (13)], Determine whether or not the time adjustment mode is set [step (14)] I do.

And when all the judgment results are “NO”,
Proceeding to step (15), the time t of the first clock circuit 19 is t ₁
It is determined whether or not they match. If they do not match, the above-mentioned determination is repeated, and if they match, the process returns to step (1) and the time display is automatically restored.

Next, the case where a key operation is determined in each step will be explained for each mode. It should be noted that if the band key is operated during frequency display, the band switching process [step (16)] is simply performed, so the explanation will be omitted.

() Auto sweep mode When set to frequency display state, auto/
When manual key 3 is operated and it is determined that automatic sweep mode is set, [step (9)], step
Proceeding to (17), the control unit 18 shifts to automatic sweep operation.

Specifically, when the up key 4 is operated after the auto/manual key 3 is operated, an automatic up sweep occurs, and the PLL of the tuner section
If the frequency division ratio of the programmable frequency divider constituting the circuit is sequentially increased by a predetermined change width, and the down key 5 is operated subsequent to the operation of the auto/manual key 3, an automatic down sweep is performed, and the programmable frequency divider The frequency division ratio of the frequency divider is sequentially decreased by a predetermined change width.

When a signal of a predetermined level or higher is received as a result of the sweep, the automatic sweep is stopped, the continuous reception state is set, and the process returns to step (8), where a key input is determined.

It is assumed that the timekeeping operation of the first timekeeping circuit 19 is performed only once from the band key operation in step (2), or is reset at the same time as the automatic sweep ends.

() Manual sweep mode When set to frequency display state, auto/
When it is determined that the up key 4 or the down key 5 is operated without operating the manual key 3 and the manual sweep mode is set [step (10)],
Proceeding to step (18), the control unit 18 shifts to manual sweeping operation.

Specifically, when the up key 4 is operated, a manual up sweep is performed, and while the key 4 is operated, the division ratio of the programmable frequency divider is sequentially increased by a predetermined change width, and the down key 5 is operated. When the key 5 is operated, a manual down sweep is performed, and the frequency division ratio of the programmable frequency divider is also sequentially decreased by a predetermined change width while the key 5 is operated.

In this case, the range of change in the frequency division ratio may be changed depending on the key operation time.

Further, the timekeeping operation of the first timekeeping circuit 19 may be reset based on the release of a key operation, as in the case of the automatic sweep mode described in () above.

() Preset channel selection and preset memory mode When set to the frequency display state, when any of the preset keys 13 to 17 is operated, the timing operation of the second clock circuit 20 is started based on the operation. It is determined whether the key operation time t is longer than the clock time t ₂ of the second clock circuit 20 [[step (19)].

As a result of the judgment, if the operation time t is longer than the clock time _t2 , the process advances to step (20), and the frequency division ratio (channel selection data) currently set in the programmable frequency divider is changed to Write to the address corresponding to the preset key.

On the other hand, if the operating time t is shorter than the clocking time _t2 , the process advances to step (21), reads out the frequency division ratio (tuning data) stored in the address of the RAM 26 corresponding to the operated preset key, and sets the programmable frequency division ratio. Set to frequency.

() Timer time setting mode When the time display state is set, is it determined that the start/stop key 6 is operated and the timer time setting mode is set?
(3)] or when the start/stop key 6 is operated while the frequency display state is set and it is determined that the timer time setting mode is set [step (12)], the process proceeds to step (22). , the control unit 18 shifts to a timer time setting operation.

The timer time setting operation will be explained with reference to FIG.

That is, when the start/stop key 6 is operated, the control section 18 causes the display 24 to display zero [step (23)]. Then, specify the timer channel by operating any of the preset keys 13 to 15 [step (2)
4)].

Once the channel is specified, proceed to step (25),
The operation of the preset key 17, which is a clear key, is determined, and if the preset key 17 is operated, the timer setting time data stored in the RAM 26 is erased [step (26)].
If no operation has been made, then it is determined whether the increase key 8 or the decrease key 9 has been operated [step (27)].

When the operation of the key 8 or 9 is completed, the "hour" of the timer start time is set [step (28)], and then the operation of the hour/minute switch key 12 is determined [step (29)] and the increase key is pressed. After determining whether the 8 or decrease key 9 is operated [step (30)], the "minute" of the timer start time is set [step (31)].

After that, in step (32), the operation of the start/stop key 6 is determined, and if it is not the third time, the timer start time set by the above operation is set.
After storing it at a predetermined address in the RAM 26 and making the display 24 display zero again [step (33)], step (2
Return to step 5) and proceed to the timer end time setting operation. If it is the third time, the time set by the above operation is stored in the RAM 26, and then the display returns to the time display immediately. In addition, if you want to set only the timer start time or end time, select the start/end time.
It is sufficient to operate the stop key 6 continuously, and in that case, the intermediate step in FIG. 3 is omitted.

() Sleeve time setting mode When the time display state is set, the sleeve key 7 is operated and it is determined that the sleeve time setting mode is set [step (4)] or the frequency display state is set. When it is determined that the sleeve key 7 is operated and the sleeve time setting mode is set during [step (13)], step (3)
Proceeding to step 4), the control section 18 shifts to a sleeve time setting operation.

The sleeve time setting operation will be explained with reference to FIG. 4.

That is, when the sleeve key 7 is operated, the control section 18 causes the display 24 to display "90 minutes" [step (35)]. Then, in step (36), it is determined whether or not the sleeve key 7 has been operated.

As a result of this determination, if the sleeve key 7 is not operated, it is then determined whether or not the timer key 10 is operated [step (37)], and if the timer key 10 is operated, the control section 18 The sleeve timing circuit 22 is set to 90 minutes, and when the sleeve operation is started [step (38)], the time display state is set.
Also, if the timer key 10 is not operated,
Return to step (36).

On the other hand, when it is determined in step (36) that the sleeve key 7 has been operated, the control section 18 displays "60" on the display 24.
minutes" is displayed [step (39)], and then the operation of the sleeve key 7 is judged again [step (40)].

In such a state, timer key 10
When is operated [step (41)], the control unit 18 sets the sleeve timer circuit 22 to 60 minutes, shifts to sleeve operation [step (42)], and sets the time display state.

Further, when the sleeve key 7 is operated three times in a row, the control section 18 displays "30 minutes" on the display 24 [step (43)], and when the timer key 10 is operated thereafter [step ( 44)], sleeve timing circuit 22
Set 30 minutes to [step (45)] and set the time display state.

If the sleeve key 7 is operated four times in a row [step (46)], the sleeve operation is canceled and the time is immediately displayed.

() Time adjustment mode When the time display state is set, the ADJ key 11 is operated and it is determined that the time adjustment mode is set [step (5)] or the frequency display state is set. When it is determined that the ADJ key 11 is operated and the time adjustment mode is set [step (14)], the process proceeds to step (47), and the control unit 18 shifts to a time adjustment operation.

The time adjustment operation will be explained with reference to FIG. 5.

That is, when the ADJ key 11 is operated, the control section 18 causes the "hour" displayed on the display section 24 to blink [step (48)]. Then, in step (49), it is determined whether the increase key 8 or the decrease key 9 has been operated.

As a result of such determination, if it is determined that the increase key 8 or the decrease key 9 was not operated,
Proceeding to step (50), it is determined whether or not the ADJ key 11 has been operated again. As a result, if the ADJ key 11 has been operated, the time display state is returned to without adjusting the time, and the ADJ key 11 If not operated, the process returns to step (49), and it is determined again whether the increase key 8 or the decrease key 9 has been operated.

On the other hand, if it is determined in step (49) that the increase key 8 or decrease key 9 has been operated, the "hour" of the time is adjusted based on the operation of the increase key 8 or decrease key 9 [step (51)], and then it is determined whether or not the hour/minute switch key 12 has been operated [step (52)].

As a result of this determination, if it is determined that the hour/minute switch key 12 has not been operated, the process proceeds to step (53), where it is determined whether or not the ADJ key 11 has been operated. If is manipulated,
If only the "hour" adjustment of the time is performed and then the time display state is restored and the ADJ key 11 is not operated, the process returns to step (52) and a check is made as to whether the hour/minute switch key 12 has been operated or not. is determined.

On the other hand, when the hour/minute switch key 12 is operated, the "minute" of the time flashes [step (54)], and then it is determined whether the increase key 8 or the decrease key 9 is operated [step (55)]. )], and as a result, if the increase key 8 or decrease key 9 is operated, the "minute" of the time is adjusted based on the operation of the increase key 8 or decrease key 9 [step (56)], and then ADJ
It is determined whether the key 11 has been operated [step
(57)].

When the ADJ key 11 is operated, the display returns to the time display. If the ADJ key 11 is not operated, the operation of the hour/minute switch key 12 is determined in step (58). step(49)
If there is no operation, return to step (55).

Note that if the increase key 8 or the decrease key 9 is not operated in step (55), the process proceeds to step (57), and it is determined whether or not the ADJ key 11 has been operated.

() Timer time confirmation mode When it is set to the time display state, if it is determined that any of the preset keys 13 to 15 has been operated, the process proceeds to [step (6)] and step (59). , the control unit 18 shifts to a timer time confirmation operation.

This timer time checking operation will be explained with reference to FIG. 6.

That is, in the time display state, when it is determined that any one of the preset keys 13 to 15 serving as the timer time confirmation key has been operated [step (60)], the control unit 18 responds to the preset key that corresponds to the operated preset key. The timer start time stored in the RAM 26 is read out and displayed on the display 24 [step (61)]. At the same time, the control unit 18 sets the third clock circuit 21 to the operating state and starts clocking the time _t3 [step (62)].

Then, until the third clock circuit 21 measures time _t3 , it is determined whether or not the second key operation has been performed [step (64)], and if the second key operation has been performed, , the control unit 18 stores RAM corresponding to the key.
Read the timer end time stored in 26,
This is displayed on the display 24 [step (65)] and the third clock circuit 21 is reset [step ( ₆₆ )], and the key operation ( 3rd time) has been performed [step (68)].

Whether the third timing circuit 21 measures time _t3 [step
(66), step (67)] or step (68), the display returns to the time display state.

It goes without saying that the present invention is not limited to the embodiments described above, and that various modifications can be made.

(G) Effects of the Invention According to the present invention, the device includes a display that selectively displays a time display and a frequency display, a key that controls radio functions, and a timer time setting means that sets a timer operation time. It was a chuyuna with a clock,
When the time is displayed on the display, a controller is provided for erasing the timer operation time set by the timer time setting means in response to the operation of the key. There is no need to provide a special button, and restrictions on design and circuit layout can be alleviated, improving the degree of freedom in design.

[Brief explanation of the drawing]

Fig. 1 is a functional block diagram showing an embodiment of the present invention, Fig. 2 is a flowchart showing an overview of the invention, Fig. 3 is a flowchart of the timer time setting mode, and Fig. 4 is a sleeve time setting mode. FIG. 5 is a flowchart of the time adjustment mode, and FIG. 6 is a flowchart of the timer time confirmation mode. 1 ...Key input section, 18...Control section, 19...
First clock circuit, 20...Second clock circuit, 21...
Third timing circuit, 22... Sleeve timing circuit, 24
...Display section.

Claims (1)

[Claims] 1. A tuner with a clock, which is equipped with a display that selectively displays a time display and a frequency display, keys that control radio functions, and timer time setting means that sets a timer operation time. The watch further comprises a control section for erasing the timer operation time set by the timer time setting means in response to an operation of the key when the time is displayed on the display. With chuyuna. 2. A tuner with a clock according to claim 1, wherein the key for controlling the radio function is a preset key that also serves to write and read out tuning data to the tuning data storage means.