JP2734730B2 - Wireless selective calling signal receiver with display function - Google Patents

Abstract

PURPOSE:To improve the operability of a receiver by a carrier and to realize the receiver with high mechanical reliability by using a lighting means so as to light up a display means when the display means is in the reception information display state and the surrounding luminous quantity is a prescribed value or below. CONSTITUTION:A control section 14 stores a data signal inputted from a decoder 13 to a RAM 14C as reception information. The reception information is displayed on a display section 17 by a CPU 14A when a receiver user operates a display changeover switch 19. The CPU 14A display general information onto the display section 17 by an operating signal from the decoder 13 or a program stored in a ROM 14B independently of a received carrier when no reception information is displayed and lights up a lighting section 18 when the reception information is displayed on the display section 17 and a photosensing section 16 detects that the luminous quantity around the display section 17 is a prescribed value or below. When the surrounding luminous quantity is a prescribed value or below while the general information is displayed on the display section 17, the receiver carrier operates the switch 19 at an optional time to light up the lighting section 18.

Description

The present invention relates to a radio selective call signal receiver with a display function for receiving and displaying message information.

[Conventional technology]

The radio selective call signal receiver with a display function includes a display unit for displaying message information. FIG. 4 shows an example of such a radio selective calling signal receiver with a display function.

The radio selective calling signal receiver with a display function shown in FIG.
Antenna 41, reception control unit 42, decoder 43, control unit 44
, An informing unit 45, a light detecting unit 46, a display unit 47, and a lighting unit 48
, A lighting switch 49A, and a display changeover switch 49B.

Further, the control unit 44 controls the CPU (CENTRAL PROCESSING UNIT).
T) 44A, ROM (READ ONLY MEMORY) 44B, and RAM (RANDO
M ACCESS MEMORY) 44C.

In such a radio selective calling signal receiver with a display function, a radio signal based on a carrier wave received by the antenna 41 between the transmitting station and the receiver is amplified and demodulated by the reception control unit 42 and is converted into a reception signal by the decoder 43. Output to This received signal consists of a calling signal and a data signal. decoder
43 determines whether the own calling signal stored in the decoder 43 matches or does not match the calling signal included in the input received signal, and when they match, activates the notification unit 45, and instructs the control unit 44 The data signal input following the calling signal is output.

The notification unit 45 informs the carrier of the reception by sounding or light emission. The control unit 44 is for the CPU 44A,
It comprises a ROM 44B and a memory RAM 44C, and stores the data signal input from the decoder 43 as reception information in the RAM 44C. The reception information stored in the RAM 44C is displayed on the display unit 47 by the CPU 44A when the receiver user operates the display changeover switch 49B.

When the received information is not displayed, the CPU 44A displays the general information on the display unit 47 by the operation signal of the decoder 43 or the program stored in the ROM 44B regardless of the received carrier. When the light detection unit 46 detects that the amount of light around the display unit 47 is equal to or less than a predetermined value while the reception information is displayed on the display unit 47, the CPU 44A
Turns on the lighting unit 48.

When general information is displayed on the display unit 47 and the amount of light around the display unit 47 is equal to or less than a predetermined value, the CPU 44A operates the illumination unit 49 by an arbitrary operation of the receiver lighting switch 49A by the receiver person. Turn on 48. When the illumination unit 48 is in the lighting state, the CPU 44A turns off the illumination unit 48 when the light detection unit 46 detects that the amount of light around the illumination unit is equal to or more than a predetermined value. The CPU 44A simultaneously turns on the lighting unit 48,
The counting by the timer function is started, and after a predetermined time has elapsed, the lighting unit 48 is turned off.

Note that such an operation of the CPU 44A is based on a program stored in the ROM 44B.

In this way, in the radio selective calling signal receiver with a display function, when the reception information is displayed on the display unit, the illumination function of the display unit (see Japanese Patent Application Laid-Open No. 61-028235) illuminates the display unit. It is carried out.

Also, recently, with the advancement of the functions of the receiver, there has been manufactured a receiver which displays general information based on hardware of the receiver itself or a program recorded in a memory on a display unit.

[Problems to be solved by the invention]

The lighting function of the above-described conventional wireless selective calling signal receiver with a display function has the following problems.

In the conventional lighting function, even when general information is displayed, the lighting function is activated when the amount of light around the display unit is equal to or less than a predetermined value. Therefore, when the user does not need the general information displayed on the display unit, the receiver power supply may be used. Is wasted. for that reason,
A lighting switch for use only during displaying general information is required.

For this reason, a switch for illuminating only during the display of general information is required, which causes a decrease in operability of the receiver. This also increases the number of parts, and increases the probability of occurrence of defects during manufacture of the receiver and mechanical failure during use.

SUMMARY OF THE INVENTION An object of the present invention is to provide a radio selective call signal receiver with a display function capable of eliminating such drawbacks and efficiently performing illumination on a display unit and display switching operation.

[Means for solving the problem]

The present invention is a receiving means for receiving and demodulating a carrier modulated by a selective calling signal and a data signal subsequent thereto,
Display means for displaying information received from the reception means or general information processed by a program stored in advance; detection means for detecting the amount of light around the display means; and illumination means for illuminating the display means. A switch which is operated when switching the display of the display means and switching of the illumination of the illumination means, and wherein the display means is in the reception information display state or the general information display state. Detecting whether the light amount around the display means is equal to or less than a predetermined value by the detection means, and when the display means is in the reception information display state and the light amount around the display means is equal to or less than the predetermined value, The display unit is illuminated by the illumination unit, and the switch operation is detected when the display unit is in the general information display state and the light amount around the display unit is equal to or less than a predetermined value. To come,
Control means for controlling the illumination of the display means by the illumination means.

In the above-described radio selective call receiver with a display function of the present invention, the control means stores the received information, detects that the display means is in the general information display state, and detects that the amount of light around the display means is equal to or greater than a predetermined value. When the switch operation is detected, the stored reception information is displayed on the display means, the display means detects that the general information is displayed, the light amount around the display means is less than a predetermined value, and the switch operation is performed. It is preferable to illuminate the display means when is detected, and to display the received information based on the demodulated data signal on the display means when the switch operation is detected again.

In the above-described radio selective call receiver with a display function of the present invention, the control means, when detecting that the display means is in the general information display state, starts when the illumination of the illumination means is turned on, and switches the switch again. It is preferable to have a timer function that turns off the illumination of the illumination unit after a predetermined time has elapsed when no operation is detected.

In the above-described radio selective call receiver with a display function of the present invention, the general information processed by a program recorded in advance preferably represents at least time information by a timer function.

〔Example〕

Next, embodiments of the present invention will be described with reference to the drawings.

FIG. 1 is a block diagram showing an example of a radio selective call signal receiver with a display function according to the present invention. The radio selective call signal receiver with a display function includes an antenna 11 and a reception control unit 12.
, Decoder 13, control unit 14, notification unit 15, light detection unit
16, a display unit 17, a lighting unit 18, and a display switching / lighting switch 19.

Further, the control unit 14 has a CPU (CENTRAL PROCESSING UNIT)
14A, ROM (READ ONLY MEMORY) 14B, and RAM (RANDOM A
CCESS MEMORY) 14C.

The reception control unit 12 of such a radio selective calling signal receiver with a display function amplifies and demodulates a reception signal obtained by amplifying and demodulating a radio signal by a carrier received by the antenna 11 between the transmission station and the receiver. Output to This received signal consists of a calling signal and a data signal.

The decoder 13 determines whether or not the stored calling signal and the calling signal included in the input received signal match or not, and when they match, activates the notification unit 14 and notifies the control unit 14 of the calling signal. Then, the input data signal is output.

The notification unit 15 informs the carrier of the reception by sound or light emission.

The control unit 14 stores the data signal input from the decoder 13 as reception information in the RAM 14C. The reception information stored in the RAM 14C of the control unit 14 is displayed on the display unit 17 by the CPU 14A when the receiver user operates the display changeover switch 12. When the reception information is not displayed, the CPU 14A
Regardless of the received carrier, the operation signal by the decoder 13,
The display unit 17 is controlled by a program stored in the ROM 14B.
Display general information on. When the light detection unit 16 detects that the amount of light around the display unit 17 is equal to or less than a predetermined value while the reception information is displayed on the display unit 17, the illumination unit 18 is turned on. While the general information is displayed on the display unit 17, if the amount of light around the display unit 17 is equal to or less than a predetermined value, the display switch / illumination switch 19 is turned on by the user of the receiver. Turn on. Display general information
When the display 18 is turned on and the illumination unit 18 is turned on, the display switch / illumination switch 19 switches the display of the illumination unit 18 from general information to reception information by operation of the receiver carrier. When the illumination 18 is in the lighting state, the light detection unit 16
Detects that the amount of light around the illumination unit is equal to or greater than a predetermined value, turns off the illumination unit 18. In addition, the CPU 14A
Simultaneously with turning on the light 18, counting by the timer function is started, and after a certain period of time, the lighting unit 18 is turned off.
Such an operation of the CPU 14A is based on a program recorded in the ROM 14B.

Next, the operation of the radio selective call signal receiver with a display function will be described.

A radio signal of a carrier received by the antenna 11 between the transmitting station and the receiver is amplified and demodulated by the reception control unit 12 and output to the decoder 13 as a reception signal. This received signal consists of a calling signal and a data signal. Decoder 13
Determines whether the self-calling signal stored in the decoder 13 matches or does not match the calling signal included in the input received signal. The input data signal is output to the control unit 14.

The notification unit 15 informs the carrier of the reception by sounding or light emission. The control unit 14 stores the data signal input from the decoder 13 as reception information in the RAM 14C. RA
When the receiver user operates the display changeover switch 19, the reception information stored in the M14C is displayed on the display unit 17 by the CPU 14A.
Will be displayed. When the reception information is not displayed, the operation signal by the decoder 13 or the ROM 1
The CPU 14A displays general information on the display unit 17 according to the program stored in 4B.

The display under the control of the CPU 14A is performed according to the flowchart of FIG. That is, first, it is determined whether the display on the display unit 17 is reception information or general information (step S1). If it is received information, the light amount around the display unit 17 is equal to or less than a predetermined value (step S
2), the display unit 17 is illuminated (step S3). After step S3, the process proceeds to step S9.

When the display information is general information in step S1, when the light amount is equal to or less than a predetermined value (step S4), the display is illuminated by a switch operation (step S5) (step S6). Further, the switch is operated again (step S7). The display unit 17 switches from the general information to the reception information (step S8). In step S4, when the light amount is equal to or more than the predetermined value, by operating the switch (step S12),
The general information is switched to the received information (step 13).

According to steps S6 and S7, when the received information of the display unit 17 is in the display illumination state, when the light amount is equal to or more than the predetermined value (step S9), the illumination is turned off (step S1).
1). If the value is equal to or less than the predetermined value in step S9, after a predetermined time has elapsed by the timer function (step S1
0), turn off the lighting.

The radio selective call signal receiver with a display function as described above,
The lighting function is realized by software using a ROM program.

FIG. 2 is a block diagram showing another example of the radio selective calling signal receiver with a display function according to the present invention. The receiver includes an antenna 21, a reception control unit 22, a decoder 23, a control unit 24, a notification unit 25, a light detection unit 26, a display unit 27, a lighting unit 28, a display switching / lighting switch. It consists of 29.

Further, the control unit 24 includes a CPU (CENTRAL PROCESSING UNI
T) 24A, ROM (READ ONLY MEMORY) 24B, and RAM (RANDO
M ACCESS MEMORY) 24C.

In such a radio selective calling signal receiver with a display function, a radio signal based on a carrier wave received by an antenna 21 between a transmitting station and a receiver is amplified and demodulated by a reception control unit 22, and is converted into a reception signal by a decoder 23. Output to This received signal consists of a calling signal and a data signal. decoder
23 determines whether or not the own calling signal stored in the decoder 23 matches the calling signal included in the input received signal, and when they match, activates the notifying unit 25 and activates the control unit 24. The data signal input following the calling signal is output.

The notification unit 25 notifies the carrier of the reception by sounding or emitting light. The control unit 24 is for CPU 24A and programs
A data signal input from the decoder 23 is stored in the RAM 24C as reception information. The reception information stored in the RAM 24C is displayed on the display unit 27 by the CPU 24A when the receiver user operates the display changeover switch 29.

When the received information is not displayed, the CPU 24A displays the general information on the display unit 27 by the operation signal from the decoder 23 or the program stored in the ROM 24B regardless of the received carrier. When the decoder 23 detects that the light amount around the display unit 27 is equal to or less than a predetermined value by the light detection unit 26 while the reception information is displayed on the display unit 27, the CPU 24A receives a signal from the decoder 23. Turns on the illumination unit 28.

In addition, when general information is displayed on the display unit 27, if the amount of light around the display unit 27 is equal to or less than a predetermined value, the CPU 24A can be operated by the receiver user of the display switching / illumination switch 29 by an arbitrary operation. The lighting unit 28 is turned on. While the general information is displayed on the display unit 27, when the lighting unit 28 is turned on, the CPU 24A changes the display on the display unit 27 from the general information by operating the display switching / lighting switch 29 by the receiver person. Switch to reception information.

When the illumination unit 28 is in the lighting state, when the light detection unit 26 detects that the amount of light
U14A turns off the lighting unit. The CPU 24A starts counting by the timer function at the same time as turning on the lighting unit 28, and turns off the light 28 after lighting after a certain time has elapsed.

The radio selective call signal receiver with a display function as described above,
The lighting function is realized in hardware by a decoder.

As described above, in the radio selective calling signal receiver with a display function, a means for detecting whether the display unit is in the reception information display state or the general information display state in the receiver, and the vicinity of the display unit by the light detection element. And means for detecting that the amount of light is equal to or less than a predetermined value, and a switch operated by the receiver user.

This detects that the display unit of the receiver is in the reception information display state, and illuminates the display unit when the amount of light around the display unit is equal to or less than a predetermined value. Further, it detects that the display unit of the receiver is in the general information display state, and illuminates the display unit when the amount of light around the display unit is equal to or less than a predetermined value and a switch operation is detected.

Also, the display unit of the receiver detects that the general information display state, the amount of light around the display unit is equal to or more than a predetermined value, and the carrier wave modulated by the selective calling signal and the data signal subsequent thereto is received and demodulated. When the switch operation is detected when the received information is stored in the receiver, the stored received information is displayed on the display unit. Further, it detects that the display unit of the receiver is in the general information display state,
The display unit is illuminated when the amount of light around the display unit is equal to or less than a predetermined value and a switch operation is detected. When a switch operation is detected again, reception information based on the demodulated data signal is displayed on the display unit. It has a function to do.

As a result, the receiver power is saved by changing the lighting procedure according to the display state, and the operability is improved and the mechanical trouble of the switch is reduced by eliminating the lighting switch for displaying general information. Make it possible.

〔The invention's effect〕

As described above, the present invention has a function of changing the illumination according to the display content, thereby improving the operability of the receiver by the carrier and reducing the size of the receiver, and providing a display with high mechanical reliability. There is an effect that a radio selective call signal receiver with a function can be provided.

[Brief description of the drawings]

1 and 2 are block diagrams showing an example of a radio selective call signal receiver with a display function according to the present invention. FIG. 3 is a flowchart showing a display section illumination function of the receiver of FIG. FIG. 4 is a block diagram showing an example of a conventional radio selective calling signal receiver with a display function. 11 Antenna 12 Receiving control unit 13 Decoder 14 Control unit 14A CPU 14B ROM 14C RAM 15 Notification unit 16 Light detection unit 17 Display unit 18 Lighting section 19: Display switching / lighting switch

Claims (4)

(57) [Claims] A receiving means for receiving and demodulating a carrier modulated by a selective calling signal and a data signal following the selective calling signal;
Display means for displaying information received from the reception means or general information processed by a program stored in advance; detection means for detecting the amount of light around the display means; and illumination means for illuminating the display means. And a switch operated when switching the display of the display means and switching of the illumination of the illumination means, and wherein the display means is in the reception information display state or the general information display state. The detection means detects that the amount of light around the display means is equal to or less than a predetermined value, and when the display means is the reception information display means and the amount of light around the display means is equal to or less than the predetermined value, the illumination Means for illuminating the display means, when the display means is in the general information display state, and when a light amount around the display means is equal to or less than a predetermined value and a switch operation is detected. , Radio paging receiver with a display function, characterized in that a control means for controlling to illuminate the display means by the illuminating means. 2. The radio selective call receiver with a display function according to claim 1, wherein the control means stores received information, detects that the display means is in a general information display state, and detects a light amount around the display means. Is greater than or equal to a predetermined value, and when a switch operation is detected, the stored reception information is displayed on the display means, the display means detects that the general information is displayed, and the amount of light around the display means is reduced to a predetermined value. And a display function for illuminating the display means when a switch operation is detected and displaying received information based on the demodulated data signal on the display means when the switch operation is detected again. Selective call receiver. 3. The radio selective call receiver with a display function according to claim 1, wherein the control means activates when the illumination of the illumination means is turned on when detecting that the display means is in a general information display state. A wireless selective call receiver with a display function, having a timer function for turning off the illumination of the illumination means after a predetermined time has elapsed when a switch operation is not detected again. 4. The display function according to claim 1, wherein the general information processed by the program stored in advance represents at least time information by a timer function. With radio selective call receiver.