JP2000332676A - Portable communication system and its power source disconnecting method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To stop the use of a portable telephone in a public place if necessary. SOLUTION: When an electromagnetic wave detecting part 1h of a portable acoustic wave generator detects the electromagnetic waves from a portable telephone, an acoustic wave generating part 1i transmits an acoustic signal for requesting power source disconnection, and when the acoustic signal detecting part of the portable telephone detects the acoustic signal, a power source controlling part disconnects the power source. A time required for the generation and transmission of the acoustic signal by the acoustic wave generating part 1i is controlled by a timer part 1c. Moreover, information indicating the disconnection of the power source is announced by the announcing part of the portable telephone side.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable communication system for suspending the use of a portable telephone in a public place as required, and a power-off method thereof.

[0002]

2. Description of the Related Art In a place equipped with medical equipment, such as in a hospital facility, in order to prevent malfunction of medical equipment due to electromagnetic waves emitted from a mobile phone, sound waves emitted from stationary equipment are used. To turn off the mobile phone.

As a technique for turning off the power of such a portable telephone, there is a technique disclosed in, for example, JP-A-10-200958. In this system, a transmitter is installed at a place where the use of a mobile phone is prohibited, at an entrance, or the like, and a means for receiving a signal from the transmitter is mounted on the mobile phone. As a result, use of the mobile phone is forcibly stopped in places where use of the mobile phone is prohibited.

[0004]

However, in the prior art described above, since the transmitter is of a stationary type, the range in which signals from the transmitter can reach is limited. The range is limited.

In this case, when the transmitter is installed, for example, in a hospital, the use of the portable telephone is forcibly stopped, so that the electromagnetic waves are not affected on the patient using the pacemaker. It is possible to do.

However, in public places outside the hospital (for example, in trains), the use of mobile phones cannot be forcibly stopped, so that the above-mentioned patients may be affected by electromagnetic waves. There is.

SUMMARY OF THE INVENTION The present invention has been made in view of such circumstances, and provides a portable communication system capable of stopping use of a portable telephone in a public place as required, and a power-off method thereof. Is what you can do.

[0008]

According to a first aspect of the present invention, there is provided a portable communication system including a portable sound wave generator and a portable telephone capable of voice communication, wherein the sound wave generator detects electromagnetic waves from the portable telephone. Then, it sends out a sound wave signal requesting power off,
The mobile phone is characterized in that power is cut off based on a sound wave signal. In addition, the sound wave generator, an electromagnetic wave detection unit that detects the presence of an electromagnetic wave, a sound wave generation circuit that generates a sound wave signal,
The mobile phone includes a speaker that sends out the generated sound wave signal. The mobile phone has a microphone that takes in the sound wave signal, a sound wave signal detection unit that detects the taken sound wave signal, and a power supply that is turned off when the sound wave signal is detected. And a power supply control unit. The generation of the sound wave signal by the sound wave generation circuit is as follows.
It can be controlled by the specified time of the timer section. The transmission of the sound wave signal generated by the sound wave generation circuit can be notified by the lighting operation of the LED notification unit. Further, the interruption of the power supply by the power supply control unit can be notified by the notification unit. 7. The method for powering down a mobile communication system according to claim 6, wherein: a first step of detecting an electromagnetic wave; a second step of transmitting a sound signal for requesting power-off when the electromagnetic wave is detected; And a fourth step of turning off the power when a sound wave signal is detected. Further, the second step may include a fifth step of generating a sound wave signal, and the third step may include a sixth step of capturing a sound wave signal. In addition, the fifth step may include a step of regulating generation of a sound wave signal by a specified time. Further, the fifth step may include a step of informing by a lighting operation. Further, the fourth step may include a step of notifying that power is to be cut off. In the portable communication system and the power-off method according to the present invention, when the portable sound wave generator detects an electromagnetic wave from the mobile phone, the portable sound generator sends out a sound wave signal requesting the power-off, and the mobile phone performs the operation based on the sound wave signal. Turn off the power.

[0009]

Embodiments of the present invention will be described below.

(First Embodiment) FIG. 1 is a block diagram showing a sound wave generator according to a first embodiment of the portable communication system of the present invention, and FIG. FIG. 3 is a block diagram illustrating a mobile phone that receives a sound wave, FIG. 3 is a flowchart illustrating the operation of the sound wave generator in FIG. 1, and FIG. 4 is a flowchart illustrating the operation of the mobile phone in FIG.

The sound wave generator shown in FIG. 1 is portable,
It includes a timer section 1c, a control section 1d, a power supply section 1g, an electromagnetic wave detection section 1h, and a sound wave generation section 1i.

The timer unit 1c is activated by receiving a timer activation instruction from the control unit 1d, and measures a specified time. When the specified time has elapsed, the timer unit 1c notifies the control unit 1d that the specified time has elapsed.

When receiving the notification of the existence of the electromagnetic wave, the control unit 1d issues an instruction to generate a sound wave signal to the sound wave generation unit 1i, and issues an instruction to start the timer to the timer unit 1c.

The power supply section 1g supplies power to each section. The electromagnetic wave detection unit 1h includes an antenna 1a and an electromagnetic wave detection circuit 1
b. The antenna 1a captures an electromagnetic wave. When detecting the presence of an electromagnetic wave, the electromagnetic wave detection circuit 1b notifies the control unit 1d.

The sound wave generator 1i includes a sound wave generator 1e and a speaker 1f. Upon receiving an instruction to generate a sound wave from the control unit 1d, the sound wave generation circuit 1e generates a sound wave signal. The operation of the sound wave generation circuit 1e is stopped by the control unit 1d when the time specified by the timer unit 1c has been reached.

The mobile phone shown in FIG. 2 includes a microphone 3a, a sound wave signal detecting unit 3b, a control unit 3c, a power control unit 3d, and a notification unit 3e.

The microphone 3a receives a sound wave signal transmitted from the speaker 1f in FIG. The sound wave signal detector 3b detects a sound wave signal. The control unit 3c notifies the power control unit 3d and the notification unit 3e of the detection of the sound wave signal.

The power control unit 3d turns off the power of the mobile phone by performing a power-off procedure. The notification unit 3e reports a notification that power is to be cut off.

Next, the operation of the sound wave generator of FIG. 1 will be described with reference to FIG.

First, the presence or absence of an electromagnetic wave is monitored by the electromagnetic wave detecting section 1h (step 2a). Electromagnetic wave detector 1h
When the control unit 1d detects an electromagnetic wave (step 2b), the control unit 1d starts the timer unit 1c (step 2b).
c).

While the timer unit 1c is activated, the control unit 1
In response to the instruction from d, the sound wave generator 1i generates a sound wave signal, and the speaker 1f sends out the generated sound wave signal (step 2d).

When the sound wave generation circuit 1e reaches the time specified by the timer unit 1c, the operation is stopped by the control unit 1d (steps 2e and 2f).

Next, the operation of the mobile phone shown in FIG. 2 will be described with reference to FIG.

First, the presence or absence of a sound signal is monitored by the sound signal detector 3b (step 4a).

When the sound signal is detected by the sound signal detector 3b (step 4b), the controller 3c notifies the power controller 3d and the notification unit 3e of the detection (step 4c). Here, the notification that the power is cut off is notified by the notification unit 3e.

The power supply of the portable telephone is cut off by the power supply control unit 3d (step 4e).

As described above, in the first embodiment, when the electromagnetic wave detector 1h of the portable sound generator detects the electromagnetic wave from the mobile phone, the sound generator 1i sends out a sound signal for requesting power-off. Then, when the sound wave signal detecting unit 3b of the mobile phone detects the sound wave signal, the power supply control unit 3d cuts off the power, so that the use of the mobile phone in a public place is stopped as necessary.

Since the time for generating and transmitting the sound wave signal by the sound wave generator 1i is regulated by the timer 1c, the power consumption of the sound wave generator can be minimized.

Further, on the mobile phone side, the notification unit 3
Since the notification that the power is to be cut off is notified by e, the user of the mobile phone can be notified that the power is cut off.

(Second Embodiment) FIG. 5 is a block diagram showing a sound wave generator according to a second embodiment of the portable communication system of the present invention, and FIG. 6 is an operation of the sound wave generator of FIG. 5 is a flowchart for explaining FIG. In the drawings described below, portions common to FIG. 1 are denoted by the same reference numerals, and redundant description will be omitted.

The sound wave generator of FIG. 5 is portable, and is shown in FIG.
The LED notification unit 5j is added to the timer unit 1c, the control unit 1d, the power supply unit 1g, the electromagnetic wave detection unit 1h, and the sound wave generation unit 1i.

The LED notifying unit 5j performs a lighting operation during generation of a sound wave signal. Thus, it is possible to notify a person who carries the sound wave generator that the sound wave signal from the sound wave generator 1i is being generated.

Next, the operation of the sound wave generator having such a configuration will be described with reference to FIG.

First, the presence or absence of an electromagnetic wave is monitored by the electromagnetic wave detecting section 1h (step 6a). Electromagnetic wave detector 1h
When the control unit 1d detects an electromagnetic wave (step 6b), the control unit 1d starts the timer unit 1c (step 6b).
c).

While the timer unit 1c is activated, the control unit 1
In response to the instruction from d, the sound wave generator 1i generates a sound wave signal, and the speaker 1f sends out the generated sound wave signal (step 6d).

At this time, according to an instruction from the control unit 1d,
The LED notifying unit 5j performs a lighting operation to notify that a sound wave signal is being generated (step 6g).

The operation of the sound wave generating circuit 1e is stopped by the control unit 1d when the time specified by the timer unit 1c has been reached (steps 6e and 6f).

Further, the lighting operation of the LED notifying unit 5j stops (step 6h).

As described above, in the second embodiment, the LED notifying unit 5j performs the lighting operation during the generation of the sound wave signal, so that the user of the sound wave generator is notified that the sound wave signal is being generated. Can be.

[0040]

As described above, according to the portable communication system and the power-off method according to the present invention, when the portable sound generator detects the electromagnetic wave from the portable telephone, it transmits a sound signal for requesting the power-off. Since the power of the mobile phone is cut off based on the sound wave signal, the use of the mobile phone in a public place is stopped as needed.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a sound wave generator according to a first embodiment of the mobile communication system of the present invention.

FIG. 2 is a block diagram showing a mobile phone that receives a sound wave from the sound wave generator of FIG. 1;

FIG. 3 is a flowchart for explaining the operation of the sound wave generator in FIG. 1;

FIG. 4 is a flowchart illustrating an operation of the mobile phone of FIG. 2;

FIG. 5 is a block diagram showing a sound wave generator according to a second embodiment of the mobile communication system of the present invention.

FIG. 6 is a flowchart for explaining the operation of the sound wave generator in FIG. 5;

[Explanation of symbols]

 1a antenna 1b electromagnetic wave detection circuit 1c timer unit 1d control unit 1e sound wave generation circuit 1f speaker 1g power supply unit 1h electromagnetic wave detection unit 1i sound wave generation unit 3a microphone 3b sound wave signal detection unit 3c control unit 3d power control unit 3e notification unit 5j LED notification unit

Claims (10)

[Claims] 1. A portable sound wave generator and a portable telephone capable of voice communication, and when the sound wave generator detects an electromagnetic wave from the portable telephone, transmits a sound wave signal requesting a power-off, The mobile communication system according to claim 1, wherein a power supply of the mobile phone is turned off based on the sound wave signal. 2. The portable telephone according to claim 1, wherein the sound wave generator includes: an electromagnetic wave detection unit that detects the presence of the electromagnetic wave; a sound wave generation circuit that generates the sound wave signal; and a speaker that transmits the generated sound wave signal. The telephone includes: a microphone that captures the sound wave signal; a sound wave signal detection unit that detects the captured sound wave signal; and a power supply control unit that cuts off a power supply in accordance with the detection of the sound wave signal. The mobile communication system according to claim 1, wherein: 3. The mobile communication system according to claim 2, wherein generation of a sound wave signal by the sound wave generation circuit is regulated by a specified time of a timer unit. 4. The mobile communication system according to claim 2, wherein the transmission of the sound wave signal generated by the sound wave generation circuit is notified by a lighting operation of an LED notifying unit. 5. The mobile communication system according to claim 2, wherein the power-off by the power control unit is reported by a reporting unit. 6. A first step of detecting an electromagnetic wave, a second step of transmitting a sound wave signal requesting power-off when the electromagnetic wave is detected, and a third step of detecting the sound wave signal And a fourth step of turning off the power when the sound wave signal is detected. 7. The method according to claim 7, wherein the second step includes a fifth step of generating the sound wave signal, and the third step includes a sixth step of capturing the sound wave signal. 7. The method according to claim 6, wherein the power is turned off in the mobile communication system. 8. The method according to claim 5, wherein the fifth step includes a step of regulating the generation of the sound wave signal by a specified time. 9. The method according to claim 5, wherein the fifth step includes a step of notifying by a lighting operation. 10. The method according to claim 5, wherein the fourth step includes a step of notifying that power is to be cut off.