JP2782818B2 - Radio selective call receiver - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a radio selective calling receiver, and more particularly to a radio selective calling receiver which is designed to be used when an intentional external impact is applied to the radio selective calling receiver. , A radio selective calling receiver that detects it and stops sounding.

[Conventional technology]

Conventionally, this type of radio selective calling receiver receives its own selective calling number, and at least when a sound starts, in order for a person carrying it to recognize and stop it, an automatic reset function is used. The user has to wait for the automatic stop after a certain period of time or press the call operation stop switch to stop the operation.

[Problems to be solved by the invention]

In the above-mentioned conventional radio selective call receiver, the ringing stop switch must be pressed in order for the wearer to stop the ringing sound caused by the call. However, when carrying a radio selective calling receiver, it is generally worn on a waist belt or
It is usually stored in a pocket of clothes or handbags. When a call is received, a ringing sound is started. In order for the wearer to recognize it and stop the sounding, first, the location of the radio selective receiver itself is located. After confirming the position of the ringing operation stop switch and pressing the switch, it is not possible to stop the ringing sound in a short time, it is very troublesome However, there is a drawback that it may give an auditory discomfort.

SUMMARY OF THE INVENTION An object of the present invention is to provide a radio selective calling receiver which eliminates such disadvantages.

[Means for solving the problem]

The present invention relates to a radio selective calling receiver which, at the time of receiving its own selective calling number, informs at least that a call has been made by a ringing sound.
Means for starting a timer by detecting that a second external impact has been applied; and means for stopping sound by detecting that a second external impact has been applied before the timer is stopped. It is characterized by having.

〔Example〕

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

FIG. 1 is a block diagram of an embodiment of a radio selective calling receiver according to the present invention. The radio selective calling receiver according to the present embodiment includes an impact sensor 212 as a means for detecting an intentional external impact when a deliberate external impact is applied, and a sounding means as a means for stopping the sounding when the impact is detected. Stop circuit
Has 214.

The ringing stop circuit 214 includes a switch circuit 210, an impact detection circuit 211, and a timer circuit 213.

1, 201 is an antenna, 202 is a radio unit,
203 is a waveform shaping circuit, 204 is a decoder, 205 is a ROM (read only memory), 206 is an amplifier, 207 is an LED (light emitting diode), 208 is a speaker, and 209 is a calling operation stop switch.

The impact sensor 212 converts the impact into an electric signal when an external impact is applied to the radio selective calling receiver. The shock detection circuit 211 sends a signal to the switch circuit 210 when the signal from the shock sensor 212 is equal to or higher than a predetermined level, and the switch circuit 210 starts the timer circuit 213 with the first signal. When the switch circuit 210 receives the second signal before the timer circuit 213 stops, it activates an electrically controllable switch in the switch circuit 210 placed in parallel with the call operation stop switch 209 to perform the call operation. Is stopped.

Next, the operation of this embodiment will be described with reference to the operation flowchart of FIG.

The radio signal received by the antenna 201 is amplified and demodulated by the radio unit 202, and the signal is converted into a waveform that can be input to the decoder 204 by the waveform shaping circuit 203. Decoder 2
In step 04, if the calling number stored in the ROM 205 in advance and the signal from the waveform shaping circuit 203 are compared and determined to be the same (step 101), an arbitrary set calling operation is started (step 102). ). The ringing signal from the decoder 204 is amplified by the amplifier 206, and the LED 207 and the speaker
Calling is performed by 208. If the calling operation does not include a sound (step 103), the automatic reset time elapses (step 104), or the calling operation stop switch 209 is pressed (step 105). ), The calling operation is stopped (step 113).

If ringing is included in the ringing operation (step 10
3) Turn on the power to the impact sensor 212 (step 106),
Shock detection circuit 211 and switch circuit 21 of sound stop circuit 214
A signal is sent to 0 and these circuits operate only while the call signal is being output.

While the switch circuit 210 and the shock detection circuit 211 are operating, the auto reset time has elapsed (step 107), the call operation stop switch 209 is pressed (step 108), or the shock is detected by the shock detection circuit 211. (Step 109), the timer circuit 213 starts (Step 11)
0) If the second impact is detected before the timer stops (step 112) (step 111), the calling operation is stopped (step 113). Only when a second impact is detected within a predetermined time set by the timer, it is determined that the impact is intentional and the calling operation is stopped.

As described above, the radio selective calling receiver of the present embodiment uses a sensor for detecting an external impact applied to the radio selective calling receiver when a call is ringing and a signal, and a signal from the sensor. Since there is a circuit for determining whether the impact is accidental or intentional and a circuit for stopping the sound depending on the result, the sound can be stopped very easily.

〔The invention's effect〕

As described above, the present invention has a function of stopping the sound by intentionally applying an impact to the radio selective calling receiver during the ringing of the radio selective calling receiver. When the user of the radio selective call receiver who recognized the sound stopped the sound, the sound could be stopped by tapping outside the part where it was stored, and the position of the sound stop switch was bothersomely confirmed. Since it is not necessary to press the button, the sound can be stopped in a short time, and the sound can be stopped very easily without maintaining the unnecessary sound.

[Brief description of the drawings]

FIG. 1 is a block diagram of one embodiment of the present invention, and FIG. 2 is an operation flowchart of the embodiment of FIG. 201 antenna 202 wireless section 203 waveform shaping circuit 204 decoder 205 ROM 206 amplifier 207 LED 208 speaker 209 ringing stop switch 210 switch circuit 211 Shock detection circuit 212 Shock sensor 213 Timer circuit 214 Sound stop circuit

Claims (1)

(57) [Claims] 1. A radio selective call receiver for notifying that a call has been made by at least a ringing tone when a self selective calling number is received. Means for starting a timer by detecting that an external impact has been applied; and means for stopping a sound by detecting that a second external impact has been applied before the timer stops. A radio selective call receiver characterized by the above-mentioned.