JP2001320312A - Mobile telephone system and method for switching its operation - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce power consumption by appropriately stopping the emission of radio waves. SOLUTION: When a 1st switch 20 is turned 'on' with a battery 10 charged, a power supply control part 30 distributes power supplied from a power supply part 2 to each part of a mobile telephone system 100. When a 2nd switch 21 is 'on' in such a case, the part 30 also distributes power to a communication processing part 1 and can perform both processing which accompanies communication by the part 1 and processing that does not accompany communication. After the 2nd switch 21 is switched over from 'on' to 'off' here, the part 30 stopping delivering the power to the part 1. In this case, the part 30 continues to deliver the power to each part other than the part 1 and can perform the processing that does not accompany communication by the part 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mobile telephone device for transmitting and receiving radio waves to perform wireless communication, and more particularly to a mobile telephone device capable of stopping emission of radio waves without turning off the power of the mobile telephone device itself. Telephone equipment.

[0002]

2. Description of the Related Art Cellular phones and PHS (Personal Handy-p)
hone System), generally,
Power consumption is reduced by stopping supply of power to a circuit that is not required to operate.

[0003] For example, a portable telephone intermittently receives radio waves from a base station when it is out of a communication service area, and searches for a communicable base station by measuring reception intensity and the like. At this time, if the mobile phone cannot detect a communicable base station, it stops the operation for receiving radio waves and also stops supplying power to the circuit for receiving radio waves. Such processing is periodically executed every time a predetermined timing comes, and starts and ends automatically.

[0004]

The above-mentioned conventional mobile telephone apparatus reduces power consumption by automatically stopping supply of power to circuits not required to operate.
However, in the above-described conventional technology, even when it is clear that the mobile station is out of the communication service area, when a predetermined timing comes, power is supplied to a circuit for receiving radio waves to search for a communicable base station. I do. Further, there are cases where the emission of radio waves from the mobile telephone device must be stopped, for example, in a hospital or an airplane. In such a case, in order to stop the emission of radio waves from the mobile telephone device, it was necessary to turn off the power of the mobile telephone device itself except for the standby power supply.

Here, when the power of the mobile telephone device itself is cut off except for the standby power supply, various functions of the mobile telephone device (for example, viewing and editing of character string data as the contents of an electronic mail) are performed. Function and the function of creating and editing phonebook data) were also stopped and could not be used.

The present invention has been made in view of the above circumstances, and has as its object to provide a mobile telephone device capable of appropriately stopping emission of radio waves and reducing power consumption.

[0007]

In order to achieve the above object, a mobile telephone device according to a first aspect of the present invention comprises: a power supply including a battery; communication means for transmitting and receiving a radio signal to perform communication; First and second commands for turning on and off the power supply
Switching instruction means, processing means for executing processing involving communication by the communication means and processing not involving communication by the communication means, and the first switching instruction means in a state where the power-on is instructed by the first switching instruction means. When the disconnection of the power supply is instructed by the second switching instruction means, the power supply from the power supply to the communication means is performed while enabling the processing means to execute a process without communication by the communication means. Power supply control means for stopping the power supply.

According to the present invention, the power supply control means includes:
When the power supply is instructed by the second switching instruction means and the power off is instructed by the second switching instruction means, the processing means can execute the processing without communication by the communication means, To stop supplying power to the communication means. This makes it possible to stop the emission of radio waves, that is, radio signals, to execute processing without communication, and to appropriately stop emission of radio waves to reduce power consumption.

The power supply control means supplies power to the communication means from the power supply when the power-on instruction is given by the first switching instruction means and the second switching instruction means. It is desirable to be able to execute processing involving communication by the communication means and processing not involving communication by the communication means.

[0010] When the second switching instruction means instructs to turn off the power while the power supply instruction is instructed by the first switching instruction means, the processing means communicates with the communication means. When the setting for executing the accompanying process is held, the execution of the process involving the communication by the communication unit is stopped, and when the power-on is again instructed by the second switching instruction unit, the setting is performed in accordance with the held setting. Processing involving communication by the communication means may be executed. This allows
When the supply of power to the communication means is stopped by an instruction from the second switching instruction means within the communication service area, and the supply of power to the communication means is started again by an instruction from the second switching instruction means, the communication service Communication with the base station can be performed immediately without executing the process for returning to the area, and power consumption can be reduced.

Preferably, the power supply control means stops supplying power from the power supply except for a standby power supply when the first switching instruction means instructs to turn off the power supply.

[0012] A method for switching operation of a mobile telephone device according to a second aspect of the present invention includes first and second switching instruction steps for instructing turning on and off of a power supply including a battery, and transmitting and receiving a radio signal. A power-on instruction in the first switching instruction step, a processing execution step of executing processing involving communication and processing not involving communication by performing
When the power-off is instructed in the switching instruction step, power supply to a circuit for transmitting and receiving wireless signals and performing communication while enabling processing without communication in the processing execution step is performed. And a power control step of stopping.

According to the present invention, the power control step includes:
When power-on is instructed in the first switching instruction step and power-off is instructed in the second switching instruction step,
Power supply to a circuit for transmitting and receiving wireless signals and performing communication is stopped while enabling processing without communication in the processing execution step. This makes it possible to appropriately stop emission of radio waves and reduce power consumption.

In the power control step, when power-on is instructed in the first switching instruction step and the second switching instruction step, power is supplied to a circuit for transmitting and receiving radio signals to perform communication. It is desirable that the processing can be performed so as to execute processing involving communication and processing not involving communication in the processing execution step.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A mobile telephone device according to an embodiment of the present invention will be described below in detail with reference to the drawings.

FIG. 1 is a diagram showing a configuration of a mobile telephone device 100 according to an embodiment of the present invention. The mobile telephone device 100 is a so-called portable telephone, a PHS (Personal H).
and a communication processing unit 1, a power supply unit 2, an instruction input unit 3, a control processing unit 4, a display unit 5, a voice input unit 6, and a communication processing unit 1, as shown in FIG. And an audio output unit 7.

The communication processing unit 1 includes an RF (Radio Frequenc)
y) It is composed of a signal processing circuit and the like, for example, for transmitting and receiving a radio signal to and from a base station configuring a mobile communication network, thereby performing communication enabling communication and transmission / reception of e-mail. is there. The communication processing unit 1 is driven by the electric power supplied from the power supply unit 2,
Wireless signals are transmitted and received under the control of.

The power supply unit 2 includes a battery 10 composed of, for example, a lithium ion secondary battery, and is for generating electric power to be supplied to each part of the mobile telephone device 100. That is, the power supply unit 2 regulates the voltage of the battery 10 with a switching regulator or the like as necessary,
The power is supplied to the power control unit 30 included in the control processing unit 4.

The instruction input unit 3 includes a keypad and the like, and is used for inputting instruction information for instructing the operation of the mobile telephone device 100. Here, the instruction input unit 3 includes a first switch 20 for switching power on and off, and a second switch 21.

The first switch 20 is for instructing power-on and power-off of the entire mobile telephone device 100. The second switch 21 is for instructing the start and stop of power supply to the communication processing unit 1.

The control processing unit 4 includes, for example, an MPU (Micro Pr
ocessing Unit) and DSP (Digital Signal Processor)
And the like, for controlling the operation of the entire mobile telephone device 100, and includes a power control unit 30, a data processing unit 31, and a voice processing unit 32.

The power supply control unit 30 controls turning on and off of the power supplied from the power supply unit 2 to each part. Here, the power supply control unit 30 controls the first switch 20
In accordance with an instruction from the second switch 21, switching on and off of power to each part is performed. For example, when the first switch 20 is turned “ON”, the power supply control unit 30 delivers the power supplied from the power supply unit 2 to each part of the mobile telephone device 100. At this time, if the second switch 21 is “OFF”, the power supply control unit 30 does not deliver the power supplied from the power supply unit 2 to the communication processing unit 1. On the other hand, the power control unit 30 includes the first switch 20 and the second switch 21.
Are both "ON", power is delivered to each part of the mobile telephone device 100 including the communication processing unit 1. Further, the power supply control unit 30 determines that the first switch 20 is “OF”.
When it becomes F ", the supply of power from the power supply unit 2 to each part of the mobile telephone device 100 is stopped, and the power is turned off.

The data processing section 31 executes data processing such as creation and transmission / reception of electronic mail and editing of telephone directory data.

The audio processing unit 32 is, for example, a CODEC (CO
der / DECoder), which encodes the audio signal sent from the audio input unit 6 and sends it to the communication processing unit 1. The audio processing unit 32 restores an audio signal from the signal sent from the communication processing unit 1 and supplies the audio signal to the audio output unit 7.

The display unit 5 includes an LCD (Liquid Crystal Dis
play), and the like, for displaying an image corresponding to the result of execution of various processes by the control processing unit 4.

The audio input section 6 is constituted by a microphone or the like, and is for taking in an external sound and generating an audio signal. The audio input unit 6 sends the generated audio signal to the audio processing unit 32.

The audio output unit 7 is composed of a speaker or the like, and outputs audio corresponding to the audio signal received from the audio processing unit 32.

The operation of the mobile telephone device 100 according to the embodiment of the present invention will be described below. This mobile telephone device 1
Reference numeral 00 denotes a device that can use various functions excluding a function involving communication while reducing power consumption by stopping emission of radio waves without stopping power supply to the entire device.

In the mobile telephone device 100, when the first switch 20 is turned "ON" in a state where the battery 10 is charged, the power supply control unit 30 delivers the electric power supplied from the power supply unit 2 to each part.

At this time, if the second switch 21 is “ON”, the power supply control unit 30 also delivers power to the communication processing unit 1. That is, when both the first switch 20 and the second switch 21 are “ON”, the power control unit 3
“0” distributes the power supplied from the power supply unit 2 to the communication processing unit 1 and enables communication by transmitting and receiving wireless signals. Thereby, the communication processing unit 1 performs an operation of searching for a communicable one of the base stations constituting the mobile communication network, and an operation of transmitting and receiving a radio signal for transmitting and receiving a telephone call and e-mail. Can be. Therefore,
At this time, the control processing unit 4 can execute both processing involving communication and processing not involving communication by the communication processing unit 1.

For example, the communication processing unit 1 includes an audio processing unit 32
Encodes the audio signal sent from the audio input unit 6,
An RF signal is modulated based on the encoded audio signal, and a wireless signal is transmitted. Further, upon receiving the wireless signal transmitted from the base station, the communication processing unit 1 demodulates the encoded audio signal and sends the demodulated audio signal to the audio processing unit 32. The audio processing unit 32
By decoding the encoded audio signal received from the communication processing unit 1 and supplying the decoded audio signal to the audio output unit 7, the audio is output.

Here, when the second switch 21 is switched from “ON” to “OFF” by, for example, a user operation, the power supply control unit 30 stops the delivery of power to the communication processing unit 1 and stops. , Stop the emission of radio waves.

At this time, the power control unit 30 communicates with the communication processing unit 1
The power delivery is continued to each part of the mobile telephone device 100 except for. Therefore, the mobile telephone device 100 can execute various processes except for a process involving communication by transmitting and receiving a radio signal in a state where emission of radio waves is stopped. That is, at this time, the control processing unit 4 can execute only a process that does not involve communication by the communication processing unit 1. Thereby, when it is clear that the user is out of the communication service area, the supply of power to the communication processing unit 1 can be stopped by an instruction from the second switch 21,
Power consumption can be reduced. Further, even in a case where radio waves cannot be radiated as in a hospital or an airplane, various processes except for a process involving communication by transmission and reception of wireless signals can be executed, which is convenient.

For example, the data processing unit 31 creates character string data as the content of the electronic mail in accordance with the instruction from the instruction input unit 3, and stores the data in an EEPROM (Electronical
ly Erasable and Programmable Read Only Memory). In addition, for example, the data processing unit 31 creates and edits telephone directory data recorded in an unillustrated EEPROM or the like according to an instruction from the instruction input unit 3.

Here, when the first switch 20 is "ON", the control processing section 4 sets the second switch 21 to "O".
When switching from “N” to “OFF”, the communication processing unit 1
Circuit setting (for example, oscillation frequency of local oscillator)
Is recorded and held in, for example, a memory (not shown). That is, when the control switch 4 is instructed by the second switch 21 to stop supplying power to the communication processor 1, the control processor 4 sets the communication processor 1 to transmit and receive wireless signals and perform communication until then. Holds the circuit data that was used.

Thereafter, the second switch 21 is set to "O" again.
When the value becomes N, the control processing unit 4 controls the communication processing unit 1 to perform communication by transmitting and receiving wireless signals with circuit settings before the second switch 21 is turned "OFF".
With this, when the supply of power to the communication processing unit 1 is stopped after the supply of power to the communication processing unit 1 is stopped in the communication service area, the communication with the base station is immediately performed without executing the processing for returning to the service area. Communication can be performed, and power consumption can be reduced.

When the first switch 20 is switched from “ON” to “OFF”, the power control unit 30
Stops the delivery of power to each part of the mobile telephone device 100 and turns off the power. That is, the power control unit 30
When the first switch 20 instructs the power supply to stop, the power supply of the mobile telephone device 100 excluding the standby power supply is turned off.

As described above, according to the present invention,
The power supply control unit 30 can stop only the supply of power to the communication processing unit 1 according to an instruction from the second switch 21. This makes it possible to perform various processes that do not involve wireless communication, even when it is clearly outside the communication service area or in a place where emission of radio waves must be stopped, such as in a hospital or airplane. The emission of radio waves can be stopped, and power consumption can be reduced.

The present invention is not limited to the above embodiment, and various modifications and applications are possible. For example, in the above embodiment, the communication processing unit 1 is controlled by the second switch 21.
Although the description has been made on the assumption that the supply of power to the power supply is switched between start and stop, the present invention is not limited to this. That is, for example,
When the dial number input by the numeric keys provided in the instruction input unit 3 matches a predetermined number, the start and stop of power supply to the communication processing unit 1 may be switched.

Alternatively, for example, the control processing unit 4 displays on the display unit 5 a setting screen having a menu for switching between start and stop of power supply to the communication processing unit 1 in accordance with an instruction from the instruction input unit 3. The power supply to the communication processing unit 1 may be switched between the start and the stop of the power supply according to the selection in accordance with the instruction from the instruction input unit 3.

When the control input unit 3 is instructed to execute a process involving communication from the instruction input unit 3 in a state where power supply to the communication processing unit 1 is stopped, the control unit 4 displays a predetermined value on the display unit 5. By displaying an image or outputting a warning sound to the audio output unit 7, the user may be notified that radio wave emission has been stopped.

[0042]

As described above, according to the present invention, emission of radio waves can be appropriately stopped without turning off the power of the mobile telephone device itself, and power consumption can be reduced.

[Brief description of the drawings]

FIG. 1 is a diagram showing a configuration of a mobile telephone device according to an embodiment of the present invention.

[Explanation of symbols]

 Reference Signs List 1 communication processing unit 2 power supply unit 3 instruction input unit 4 control processing unit 5 display unit 6 voice input unit 7 voice output unit 10 battery 20, 21 switch 30 power control unit 31 data processing unit 32 voice processing unit 100 mobile telephone device

Claims (6)

[Claims] 1. A power supply including a battery, communication means for transmitting and receiving a radio signal to perform communication, first and second switching instruction means for instructing power-on and power-off, and communication by the communication means. Processing means for executing a process involving communication and a process not involving communication by the communication means; and turning off the power supply by the second switching instruction means in a state where the power-on is instructed by the first switching instruction means. Is provided, power supply control means for stopping the supply of power from the power supply to the communication means, while enabling execution of processing without communication by the communication means in the processing means, Characteristic mobile telephone device. 2. The power supply control means, when the power-on is instructed by the first switching instruction means and the second switching instruction means, supplies power from the power supply to the communication means, The mobile telephone device according to claim 1, wherein the processing unit can execute a process involving communication by the communication unit and a process not involving communication by the communication unit. 3. The processing means, when the power supply is instructed to be turned on by the first switching instructing means and the power off is instructed by the second switching instructing means, When the setting for executing the process involving the communication is held, the execution of the process involving the communication by the communication unit is stopped, and when the power-on is again instructed by the second switching instruction unit, the held setting is held. The mobile telephone device according to claim 1, wherein a process involving communication by the communication unit is performed according to the following. 4. The power supply control means stops supply of power from the power supply except for a standby power supply when the first switching instruction means instructs to turn off the power supply. The mobile telephone device according to claim 1, 2 or 3, wherein 5. A first and a second switching instruction step for instructing turning on and off of a power supply including a battery, and executing processing for performing processing involving communication by transmitting / receiving a radio signal and processing involving no communication. Steps: When power-on is instructed in the first switching instruction step and power-off is instructed in the second switching instruction step, execution of processing without communication in the processing execution step is performed. A power supply control step of stopping supply of power to a circuit for transmitting and receiving a radio signal and performing communication, while enabling the operation. 6. A circuit for transmitting and receiving a radio signal to perform communication when power-on is instructed in the first switching instruction step and the second switching instruction step. The operation switching method according to claim 5, wherein power is supplied to enable execution of processing involving communication and processing not involving communication in the processing execution step.