JPH0761174B2 - Wireless selective call receiver - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a radio selective calling receiver equipped with a control switch.

[0002]

2. Description of the Related Art Conventionally, there has been proposed a radio selective call receiver in which a large number of control switches are mounted to carry out control in order to have a large number of functions.

For example, Japanese Patent Laid-Open No. 63-107321 discloses a mode selection switch as a control switch,
A wireless selective call receiver in which a reset switch and three push button switches of a power switch are surface-mounted is disclosed. Further, the radio selective call receiver disclosed in Japanese Patent Laid-Open No. 63-107321 is operated in response to a malfunction prevention circuit for preventing malfunction (switch chattering) of the push button switch. And a display unit for displaying the status. In addition, in Japanese Patent Laid-Open No. 1-274021, in addition to the power switch, 3
A radio selective call receiver with one switch is disclosed.

On the other hand, in order to miniaturize the radio selective calling receiver, a radio selective calling receiver in which the number of switches is reduced has been proposed.

For example, Japanese Laid-Open Patent Publication No. 3-52338 has a message switch in addition to a power switch, and message control means is provided according to the combination of the message control switch and the power switch operation. According to the above, there is disclosed a radio selective call receiver in which a predetermined plurality of types of operations relating to the handling of a message stored in the message storage means are selectively executed. Further, in Japanese Unexamined Patent Publication No. 3-132225, control of a switch operation sequence and a timer is performed, and two switches are used to perform function allocation such as operation start, sound stop, LCD display, reading of message information, and deletion. Discloses a radio selective call receiver which enables information to be erased by a simple operation.

[0006]

However, if the number of switches is reduced by downsizing the device, the distance between the switches is inevitably narrowed. Therefore, there is a drawback that the switch operation becomes complicated and an erroneous operation is likely to occur.
Further, in the conventional radio selective call receiver, there is no way to restore the power-off when the power-off is mistakenly selected by operating the switch.

Therefore, an object of the present invention is to provide a radio selective call receiver capable of preventing an erroneous operation by combining a switch on / off and a time by using a timer in order to reduce an erroneous operation caused by an operation of a switch accompanying miniaturization of a device. To provide.

An object of the present invention is to provide a radio selective call receiver capable of reducing the erroneous operation of the power-off function caused by the operation of the switch accompanying the downsizing of the device.

[0009]

A radio selective calling receiver according to a first aspect of the present invention includes a radio section for demodulating and waveform shaping a received signal including a selective calling signal, and a calling number code in the selective calling signal. And a preset calling number code, and if these codes match, a message storage section that stores the subsequent message, a display section that displays the message stored in this message storage section, and a control And a timer that starts counting at the same time as this switch is turned on and measures the time that the switch is continuously pressed, and performs control operation in response to the count time of the timer and the on / off of the switch. A processing unit,
Have.

According to the first aspect of the present invention, the processing unit, when the switch is turned on in the standby mode ,
A means to switch to the menu mode for selecting various functions and a volume switching mode when the count time of the timer reaches the first predetermined time by pressing the switch as it is .
And means to replace Ri, at the time of volume switching mode, switch
Accidentally by turning the power on to power off
Even if the display mode is selected, turning on the switch again within the second predetermined time does not actually turn off the power.
Means for returning to the standby mode .

A radio selective call receiver according to a second aspect of the present invention includes a radio unit for demodulating and waveform-shaping a received signal including a selective call signal, a call number code in the selective call signal, and a preset preset signal. A message storage unit that collates the calling number code and stores the message that follows when these codes match, a display unit that displays the message stored in this message storage unit, a control switch, and this switch When the switch turns on, it starts counting and keeps track of the time that the switch is continuously pressed, and outputs a time-up signal when the count time reaches a predetermined time. And a processing unit that performs a control operation in response to.

According to the second aspect of the present invention, the processing unit, when the switch is turned on in the standby mode ,
A means to switch to the menu mode for selecting various functions and a volume switching mode in response to the time-up signal.
A means to switch and a power supply that accidentally turns off the power by turning on the switch in the volume switching mode
Even if you select the off display mode , if you turn on the switch again within the specified time , the power will not be turned off.
Means for returning to the receiving mode .

[0013]

Embodiments of the present invention will be described below with reference to the drawings.

Referring to FIG. 1, a radio selective calling receiver according to a first embodiment of the present invention includes an antenna 1 and a radio section 2.
, A decoder 3 and a microprocessor (hereinafter, MPU
4). The MPU 4 includes a central processing unit (hereinafter abbreviated as CPU) 5, a program memory (hereinafter abbreviated as P-ROM) 6, and a message memory (hereinafter abbreviated as M-RAM) 7. Also,
The radio selective calling receiver of the present embodiment has an individual number code memory (hereinafter abbreviated as ID-ROM) 8, an LCD driver 9, and a liquid crystal display unit (hereinafter abbreviated as LCD) 10.
And an alert driver 11 and a speaker 12. Further, the radio selective calling receiver of this embodiment has three push switches, that is, a menu SW13, a lead SW14, and a review SW15. These three push switches have a role of instructing control conditions as described later.

The MPU 4 reads the individual number code (hereinafter, abbreviated as ID code) of its own receiver from the ID-ROM 8 and sets it in the decoder 3.

The reception signal including the selective call signal is transmitted to the antenna 1
Then, the wireless section 2 demodulates and shapes the waveform, then converts it into a digital signal and sends it to the decoder 3.

The decoder 3 collates the ID code included in the received selective calling signal with the ID code preset in the decoder 3, and if both codes match, the call to the self-receiver is made. As generated, the message code included in the received signal is decoded, and the decoded message signal is transferred to the MPU 4. Next, MP
The U4 stores the decoded message signal in the M-RAM 7 inside the MPU, drives the speaker 12 through the alert driver 11 to make a sound, and informs the wearer of the present receiver, and the LCD driver 9 through the LCD 10 Display the message received by.

FIG. 2 shows a state transition diagram regarding an embodiment of the radio selective call receiver according to the present invention. When the menu SW13 is pressed in the state of waiting for input from the outside (hereinafter, abbreviated as standby mode) 101, various functions are selected.
That selection mode (hereinafter referred to as menu mode) 10
Switch to 2. When the menu SW13 is pressed for about 1 second as it is, a mode for switching the volume of the notification sound from the speaker 12 (hereinafter, abbreviated as volume switching mode) 10
Switch to 3.

As described above, by turning on the menu SW 13 for a predetermined time, an operation different from the previous operation is selected and the two operations are distinguished by time, so that an erroneous operation can be prevented.

Further, in the volume switching mode 103, when the menu SW 13 which has been released once is pressed again, the power-off display mode 10 for displaying the power-off for a predetermined time is displayed.
It becomes 4. If the menu SW13 is not pressed for a predetermined time as it is, the power is turned off.
It will be 05. Menu S during power off display mode 104
When W13 is pressed, the standby mode 101 is restored.

Therefore, even if the power is turned off by mistake, the erroneous power off operation can be prevented by setting the time for releasing the power off before the power is actually turned off.

FIG. 3 shows changes in the display of the LCD 10 relating to the embodiment of the radio selective call receiver according to the present invention. When the menu SW 13 is pressed in the standby mode 101, the menu mode 102 is entered, and a menu for various settings is displayed. When you enter the menu mode 102, "M
“ENU” is displayed, various functions can be selected by pressing the read SW 14, and the function can be determined by pressing the review SW 15.

When the menu SW13 is held down for about 1 second, the volume switching mode 103 is set, and when the volume is high, "A" is displayed.
"LERT MODE", "SILENT" when the volume is low
“MODE” is displayed. This display changes each time the lead SW 14 is pressed, and the volume can be determined by pressing the review SW 15. When the menu SW 13 is pressed again within 2 seconds of this display, the power is turned on. The power-off display "POWER OFF" is displayed (power-off display mode 104) and the power is actually turned off after 2 seconds (power-off mode 105).

FIG. 4 shows the operation of the embodiment of the radio selective call receiver according to the present invention.

In the standby state A, when the display 1 of the reception standby mode 101 is displayed on the LCD 10 (step S1) and the menu SW13 is pressed (YES in step S2), the menu mode 102 is displayed and the display 2 is displayed. (Step S3).

After displaying the display 2, a timer (not shown) starts counting (step S4), and when the menu SW13 is released within a predetermined time (NO in step S5), the menu mode is set (step S6). If the menu SW13 is kept pressed for a predetermined time (YES in step S5 and YES in step S6), the display 3 is displayed (step S7) and the volume switching mode 103 is switched to.

After displaying the display 3, the timer starts counting (step S8), and the menu SW13 must be pressed again within a predetermined time (NO in step S9 and step S8).
(YES of 10), and returns to the standby state A. On the other hand, if the menu SW13 is pressed again (YES in step S9)
S), the display 4 is displayed (step S11), and the mode is switched to the power-off display mode 104.

When the timer starts counting at the same time as switching to the power-off display mode 104 (step S12) and the menu SW13 is not pressed again within a predetermined time (NO in step S13 and YES in step S14), the power is actually supplied. It is turned off (step S14). On the other hand, if the menu SW13 is pressed again (YES in step S13)
S) returns to the standby state A.

Referring to FIG. 5, the radio selective call receiver according to the second embodiment of the present invention comprises three switches 13,1.
It operates in the same configuration as that shown in FIG. 1 except that 4, 15 are connected to the decoder 3a instead of the MPU 4a. This is because the function of selecting a different operation depending on the time when the menu SW 13 is pressed is performed by software control in the first embodiment, whereas it is performed by hardware control in the second embodiment. Is.

FIG. 6 shows in detail the inside of the decoder 3a of the radio selective calling receiver shown in FIG. In addition, in this FIG.
Only the part relating to the present invention is shown in detail, and the other parts are omitted. The decoder 3a includes a timer 31 and a NOR gate 3
Including 2 and.

The timer 31 starts counting when the menu SW13 is pressed, is reset when the menu SW13 is turned off, and the count becomes zero.

When the menu SW13 is pressed in the standby state, the decoder 3a outputs a low-level first signal S1 to the MPU 4a. In response to the low-level first signal S1, the MPU 4a displays the display 2 on the LCD 10 via the LCD driver 9. At the same time, the timer 31 of the decoder 3a starts counting. If the menu SW 13 is kept pressed for a predetermined time, the output of the timer 31 becomes low level after the predetermined time. The noagate 32 outputs a high-level second signal (time-up signal) S2 obtained by NORing the output of the timer 31 and the first signal S1 to the MPU 4a. In response to the high-level second signal S2, the MPU 4a displays the display 3 on the LCD 10 via the LCD driver 9.

The present invention is not limited to the above-mentioned embodiments, and it goes without saying that various modifications can be made without departing from the gist of the present invention.

[0034]

As described above, according to the present invention, with the miniaturization of the device, the number of switches is reduced, the operation is complicated, and the erroneous operation of the switches due to the reduction of the switch interval is reduced by using the timer. Can be made. Further, even if the power is turned off by mistake, a predetermined time period elapses before the power supply is actually stopped, and the power off can be easily canceled within the predetermined time period. Further, since the power supply switch can be omitted, there is an advantage that the number of parts can be reduced and the apparatus can be downsized, and the dustproof property can be improved.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of a radio selective calling receiver according to a first embodiment of the present invention.

FIG. 2 is a state transition diagram of the radio selective calling receiver shown in FIG.

FIG. 3 is a diagram showing a display change of an LCD of the radio selective calling receiver shown in FIG.

FIG. 4 is a flowchart for explaining the operation of the radio selective calling receiver shown in FIG.

FIG. 5 is a block diagram showing a configuration of a radio selective calling receiver according to a second embodiment of the present invention.

6 is a block diagram showing in detail a main part of a decoder in the radio selective calling receiver shown in FIG.

[Explanation of symbols]

 1 Antenna 2 Radio part 3 Decoder 4 MPU 5 CPU 6 P-ROM 7 M-RAM 8 ID-ROM 9 LCD driver 10 LCD 11 Alert driver 12 Speakers 13-15 Push switch 31 Timer 32 NOR gate

Claims (4)

[Claims] 1. A radio unit that demodulates / waveforms a received signal including a selective calling signal and a calling number code in the selective calling signal and a preset own calling number code are collated,
When these codes match, a message storage unit that stores the subsequent message, a display unit that displays the message stored in the message storage unit, a switch for control, and a count start when the switch is turned on. A radio selective calling receiver including a timer for counting the time during which the switch is continuously pressed, and a processing unit that performs a control operation in response to the count time of the timer and ON / OFF of the switch. When the switch is turned on in the standby mode ,
A means for switching to a menu mode for selecting a seed function, and a volume switching mode when the count time of the timer reaches a first predetermined time by continuously pressing the switch
And means for switching to the, at the time of the volume switching mode, the switch ounce
Power off display mode that accidentally turns off the power.
Even if the card is selected, turning on the switch again within the second predetermined time does not actually turn off the power.
And a unit for returning to the standby mode . 2. The radio selective calling receiver according to claim 1, further comprising a speaker that sounds when the calling number code in the selection signal and the preset own calling number code match. 3. A radio unit that demodulates / waveforms a received signal including a selective calling signal, and a calling number code in the selective calling signal and a preset own calling number code are collated,
When these codes match, a message storage unit that stores the subsequent message, a display unit that displays the message stored in the message storage unit, a switch for control, and a count start when the switch is turned on. Clocks the time that the switch is continuously pressed,
A radio selective call receiver having a timer that outputs a time-up signal when a count time reaches a predetermined time, and a processing unit that performs a control operation in response to the time-up signal and ON / OFF of the switch. When the switch is turned on in the standby mode ,
Means for switching to a menu mode for selecting a seed function, and a volume switching mode in response to the time-up signal.
Switching means and turning on the switch in the volume switching mode
Power off display mode that accidentally turns off the power.
Even if you select a card , if you turn on the switch again within a predetermined time, the power will be turned off without actually turning off the power.
A radio selective calling receiver comprising means for returning to a standby mode . 4. The radio selective calling receiver according to claim 3, further comprising a speaker that sounds when the calling number code in the selection signal and the preset own calling number code match.