JP2011061846A - Method for reducing power consumption of cellular phone terminal - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a method for reducing power consumption of a cellular phone terminal, preventing power of the cellular phone terminal from being wasted outside of an area wherein the cellular phone terminal can communicate with a base station. <P>SOLUTION: The present invention relates to a method for reducing power consumption of a cellular phone terminal outside of an area wherein the cellular phone is communicable with a base station, with which, when a communication stop request is input from a stop recognizing section 13 to a control section 10 outside of the area wherein the cellular phone terminal is communicable with the base station, a power supply control section 12 is caused to stop power supply to a radio section 2 and a baseband processing section 3 to stop a communication function and while any other functions than the communication function are available, transmitting and receiving operations of communication connection information are not performed. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

The present invention relates to a method for reducing power consumption of a mobile phone terminal, and more particularly, to a method for reducing power consumption of a mobile phone terminal outside an area where communication with a base station is possible .

First, a conventional mobile phone terminal will be described with reference to FIG. FIG. 7 is a configuration block diagram of a conventional mobile phone terminal.
As shown in FIG. 7, a conventional cellular phone terminal includes an antenna 1 that transmits and receives radio signals, a radio unit 2 that converts transmission data into radio signals, and converts received radio signals into data, and transmission audio data. Is converted into a specific data sequence and output to the radio unit 2, and the baseband processing unit 3 that converts the received data sequence from the radio unit 2 into audio data, and the central processing that controls the entire apparatus based on the program code A device (CPU) 4, a storage unit 5 for storing program codes and phone book data, an input unit 6 for a user to input data, a display unit 7 for displaying data such as a telephone number, and an acoustic signal (voice) ) To a sound electric signal, a speaker 9 to convert the sound electric signal to an acoustic signal, a control unit 10 for controlling the entire electric circuit in accordance with an instruction from the central processing unit 4, and a battery as a power source. And Teri 11, and a power supply control unit 12 for controlling power supply to each component from the battery 11.

  In addition, the input unit 6 is provided with basic function keys (corresponding to dials) for inputting numbers and the like, and a plurality of specific function keys for inputting specific functions such as off-hook and on-hook. In FIG. 7, a solid line indicates an electric signal line, and a broken line indicates a power supply line that supplies power from the power supply control unit 12 to each component of the electric circuit. The power lines are a radio unit power source 20, a baseband unit power source 21, a control unit power source 22, a central processing unit power source 23, a storage unit power source 24, an input unit power source 25, and a display unit power source 26.

  Next, the operation of the conventional mobile phone terminal will be described with reference to FIG. First, when an activation instruction is input by pressing a power-on key (not shown) of the input unit 6 while the mobile phone terminal is on standby, the control unit 10 supplies power to the power control unit 12. An instruction is output, and the power of the battery 11 is supplied to each component by the power supply control unit 12 via the power supply lines 20 to 26. Then, the central processing unit (CPU) 4 reads the program code from the storage unit (memory) 5 and starts an operation to control the entire mobile phone terminal according to the code.

  Here, the central processing unit 4 periodically exchanges connection information for communication with the base station covering the area via the control unit 10, the radio unit 2, and the antenna 1. To be able to respond. As connection information for communication, there are a radio management function for setting, maintaining and switching radio channels, a mobility management function for performing location registration and authentication, a call control function such as call disconnection, Are regularly communicated using a control signal sequence.

  Communication of communication connection information performed between the conventional mobile phone terminal and the base station cannot be stopped at the request of the user.

  Therefore, conventionally, when a mobile phone terminal is possessed in a place where transmission and reception of radio signals are prohibited, for example, in hospitals and airplanes, the user can carry it by pressing the power-off key of the input unit 6 or the like. The entire phone terminal had to be stopped.

  In the conventional mobile phone terminal, when the power-off key of the input unit 6 is pressed, the data is input to the central processing unit 4 via the control unit 10, and the central processing unit 4 stops power supply to the control unit 10. The control unit 10 receiving the command outputs a stop instruction for all the power supply lines 20 to 26 to the power supply control unit 12, and the power supply control unit 12 stops the power supply to all the power supply lines 20 to 26. As a result, the function of the entire apparatus is stopped.

  However, in the above-described conventional mobile phone terminals, the power of the entire mobile phone terminal must be turned off in places where communication with mobile phones such as hospitals and airplanes is prohibited. There was a problem that the electronic notebook function and the like could not be used, which was inconvenient.

  Further, in the above conventional mobile phone terminal, the wireless unit 2 and the baseband processing unit 3 are periodically operated in order to try to communicate communication connection information with the base station even at a location considerably away from the area where the base station is located. There is a problem that wasteful power is consumed.

The present invention provides a method of reducing power consumption of the mobile phone terminal can be prevented wasteful power consumption of the portable telephone terminal in the outer area that allows been made in view of the above circumstances, communication with the base station For the purpose.

The present invention for solving the problems of the above conventional example is a method for reducing power consumption of a mobile phone terminal outside an area where communication with a base station can be performed, and a communication function from a user outside the area. When an instruction requesting to stop is input, the communication function is stopped and the communication function is stopped by stopping the power supply from the power supply to the wireless unit while the functions other than the communication function remain usable. By doing so, the communication connection information is not transmitted .

According to the present invention, when an instruction to stop the communication function is input from the user outside the area where communication with the base station is possible, the communication function is stopped and functions other than the communication function are used. It is a method for reducing the power consumption of the mobile phone terminal so as not to transmit the communication connection information by stopping the communication function by stopping the power supply from the power supply to the wireless unit while being possible . Therefore, there is an effect that wasteful power consumption of the mobile phone terminal outside the area can be prevented.

1 is a configuration block diagram of a mobile phone terminal (this device) according to an embodiment of the present invention. It is an external view explanatory drawing of this apparatus. It is explanatory drawing which shows the communication function stop sequence of this apparatus. It is explanatory drawing which shows the example of a display screen at the time of a communication function stop. It is expansion explanatory drawing of the illustration drawn by the communication stop key 6d. It is explanatory drawing which shows operation | movement of another mobile telephone terminal which concerns on embodiment of this invention. It is a block diagram of a conventional mobile phone terminal.

Embodiments of the present invention will be described with reference to the drawings.
The mobile phone terminal according to the embodiment of the present invention can stop the radio unit and the baseband processing unit according to a user's request, and only a communication function is provided in a place where transmission / reception of radio signals is prohibited. Can be used, functions such as a telephone number book, an electronic notebook, and a clock can be used so as to be able to use functions, thereby improving convenience and reducing power consumption outside the area.

First, the configuration of a mobile phone terminal according to an embodiment of the present invention will be described with reference to FIG. FIG. 1 is a block diagram showing the configuration of a mobile phone terminal (this device) according to an embodiment of the present invention.
As shown in FIG. 1, the basic configuration of this apparatus is almost the same as that of the conventional mobile phone terminal shown in FIG. 7, and the antenna 1, the radio unit 2, and the baseband processing are the same as the conventional parts. 3, a display unit 7, a microphone 8, a speaker 9, a battery 11, and a power supply control unit 12, and a stop recognition unit 13 is newly provided as a characteristic part of the present apparatus. Further, the input unit 6, the central processing unit 4, the storage unit 5, and the control unit 10 are partially different in configuration or processing from the conventional one.

  The characteristic part of this apparatus is demonstrated using FIG. First, when the specific key of the input unit 6 is pressed, the stop recognition unit 13 receives the input signal and outputs a stop request signal for requesting the stop of the communication function to the control unit 10.

  And the control part 10 receives the stop request signal from the stop recognition part 13, and the stop request flag or interrupt signal of the form which the central processing unit 4 can recognize so that the central processing unit 4 shifts to the stop processing of the communication function Is output. Further, the control unit 10 controls the power supply control unit 12 to stop power supply to the wireless unit 2 and the baseband processing unit 3 in accordance with an instruction from the central processing unit 4.

  The central processing unit 4 receives the stop request flag from the control unit 10 and performs a communication function stop process. Specifically, the central processing unit 4 outputs an instruction to stop power supply to the wireless unit 2 and the baseband processing unit 3 to the control unit 10.

  Further, the storage unit 5 stores a program code for performing a communication function stop process in addition to the same program code, telephone book data, and electronic notebook data as in the prior art.

Next, the external appearance of this apparatus will be described with reference to FIG. FIG. 2 is an explanatory view of the appearance of this apparatus.
As shown in FIG. 2, an antenna 1 is provided at the top of the apparatus, and a speaker 9 similar to the conventional one, a microphone 8, and a basic function key 6 a similar to the conventional one as the input unit 6 are provided on the front portion. As specific function keys, an off-hook key 6b, an on-hook key 6c, a communication stop key 6d, which is a characteristic part of the apparatus, and a notebook / clock switching key 6e are provided.

  The communication stop key 6d, which is a characteristic part of this apparatus, is a type of a specific function key. The user inputs a communication function stop instruction. When this key is pressed, the communication function of the mobile phone terminal is stopped. It is supposed to be. Specifically, when the communication stop key 6d is pressed, the power supply to the wireless unit 2 and the baseband processing unit 3 is stopped, and the communication function is stopped. The communication stop key 6d is drawn so that the user can easily recognize the function.

  The notebook / clock switching key 6e is used to switch between the electronic notebook function (including the telephone book function) and the clock function when the communication function is stopped.

Next, the operation of this apparatus will be described with reference to FIG. FIG. 3 is an explanatory diagram showing a communication function stop control sequence of the present apparatus.
As shown in FIG. 3, when the user first presses the communication stop key 6d of the input unit 6 (100), a predetermined signal is output from the communication stop key 6d of the input unit 6 to the stop recognition unit 13. When the stop recognizing unit 13 receives the signal, the stop recognizing unit 13 recognizes a communication function stop instruction and outputs a stop request signal to the control unit 10.

  Then, the control unit 10 outputs a stop request flag to the central processing unit 4 (103), and the central processing unit 4 receives this and starts a communication function stop process as an interrupt process. A power stop command is issued to stop the power supply to the wireless unit 2 and the baseband processing unit 3 (104).

  And the control part 10 receives the power supply stop command from the central processing unit 4, and stops the power supply to the wireless part 2 and the baseband processing part 3 with respect to the power supply control part 12, that is, the wireless part power supply 20 and Power supply stop control is performed to stop the baseband power supply 21 (105).

  Then, the power supply control unit 12 stops power supply to the wireless unit 2 and the baseband processing unit 3 by receiving the power supply stop control from the control unit 10 and stopping the wireless unit power supply 20 and the baseband unit power supply 21. (106, 107). Here, the operations of 106 and 107 may be reversed.

  Further, the central processing unit 4 issues a power supply stop display command to the control unit 10 as a communication function stop process (108), and the control unit 10 performs power supply stop display control on the display unit 7 ( 109). Specifically, the control unit 10 reads display data of an icon indicating that the communication function is stopped from the storage unit 5 and outputs the display data to the display unit 7. Then, the display unit 7 displays an icon indicating that the communication function is stopped as a power stop display (110), and the user recognizes that the communication function has stopped by viewing the stop display.

  This makes it possible for the device to stop the communication function at any time according to the user's will, and if the communication function is stopped even in places where communication by mobile phones is prohibited, it is not related to the communication of the phone book, clock, etc. This function can be used and can improve convenience.

Next, a display example of this apparatus will be described with reference to FIG. FIG. 4 is an explanatory diagram illustrating an example of a display screen when the communication function is stopped.
As shown in FIG. 4, when the communication function is stopped, an icon indicating that the communication function is stopped is displayed at the display position of the reception level from the base station. This icon has the same pattern as the illustration drawn on the communication stop key 6d described above. Then, in addition to the remaining battery level and the communication function stop icon, the electronic notebook or clock data selected by the notebook / clock switching key 6e is displayed. Here, the data of the telephone directory in the electronic notebook is displayed.

  When the clock display is selected by the notebook / clock switching key 6e, the current date and time are displayed.

Further, an illustration of the communication stop key 6d of the input unit 6 will be described with reference to FIG. FIG. 5 is an enlarged explanatory diagram of an illustration drawn on the communication stop key 6d.
As shown in FIG. 5, it is desirable to draw an illustration so that the user can intuitively understand “communication function stop” on the communication stop key 6d. For example, in the example of FIG. It is an illustration that rebounds.

  According to the mobile phone terminal (this apparatus) according to the embodiment of the present invention, the communication stop key 6b for the user to input a communication function stop instruction and the signal from the communication stop key 6b are converted into a communication stop request. And a stop recognition unit 13 that outputs to the control unit 10. The control unit 10 converts a communication stop request from the stop recognition unit 13 into a flag and outputs the flag to the central processing unit. 10 outputs an instruction to stop the power supply to the wireless unit 2 and the baseband processing unit 3, and the control unit 10 follows the instructions from the central processing unit via the power supply control unit 12 and Since the power supply to the baseband processing unit 3 is stopped, it is possible to stop only the communication function without turning off the power of the entire apparatus, even in places where communication by a mobile phone terminal is prohibited. , Communication and Independent of the telephone book or a clock or the like functions can be used as is, there is an effect that it is possible to improve convenience.

  In addition, according to the present apparatus, the communication function can be stopped at any time according to the user's request. Therefore, when the user is outside the area far from the base station, the communication function is stopped and unnecessary connection information for communication is provided. Thus, there is an effect that power consumption can be reduced.

Next, a mobile phone terminal (another mobile phone terminal) according to another embodiment of the present invention will be described.
The other mobile phone terminal has substantially the same configuration as the mobile phone terminal shown in FIG. 1, but does not include the stop recognition unit 13 shown in FIG. 1, and receives an input signal from the communication stop key 6d of the input unit 6. Like the signals from the other input keys, the control unit 10 recognizes them.

  Accordingly, another mobile phone terminal is the same as the conventional mobile phone terminal shown in FIG. 7 in that the stop recognition unit 13 is not provided, but a communication stop key 6d and an electronic notebook / clock switching key 6e are provided. In addition, the processing in the control unit 10 and the central processing unit 4 when the communication stop key is pressed is different from the conventional one.

Here, the operation in another mobile phone terminal will be described with reference to FIG. FIG. 6 is an explanatory diagram showing the operation of another mobile phone terminal according to the embodiment of the present invention. The same operations as those of the mobile phone terminal shown in FIG.
As shown in FIG. 6, when the user presses the communication stop key of the input unit (100), a specific input signal is output from the communication stop key of the input unit to the control unit (101). Receiving a specific input signal and outputting it to the central processing unit as an input signal generation flag that can be recognized by the central processing unit (103 '), and the central processing unit stops among the plurality of input signals based on the input signal generation flag Recognizing that this is a request, a power supply stop command for the wireless unit and the baseband processing unit is issued to the control unit (104 ′).

  The subsequent control and operation are the same as those shown in FIG. 3, and the control unit controls the power supply control unit to stop power supply (105). Based on this control, the power control unit controls the radio unit 2 and the base unit. The power supply to the band processing unit 3 is stopped (106, 107), the central processing unit issues a power supply stop display command to the control unit (108), and the control unit performs power supply stop display control based on this command. (109), the display unit displays the power supply stop. In this way, the operation in another mobile phone terminal is performed.

  According to another mobile phone terminal according to the embodiment of the present invention, when the communication stop key is pressed, the control unit outputs an input signal generation flag corresponding to the input from the communication stop key to the central processing unit. The central processing unit recognizes that the flag is a communication stop request, outputs a power stop instruction to the control unit, and the control unit sends the power to the radio unit and the baseband processing unit via the power control unit. Since the power supply is stopped, the communication function can be stopped at any time according to the user's request without providing a stop recognition unit as an electric circuit, improving convenience and consuming outside the area. There is an effect that electric power can be reduced.

The present invention is suitable for a method of reducing power consumption of the mobile phone terminal can be prevented wasteful power consumption of the portable telephone terminal in the outer area which can communicate with the base station.

  DESCRIPTION OF SYMBOLS 1 ... Radio | wireless part, 2 ... Antenna, 3 ... Baseband process part, 4 ... Central processing unit, 5 ... Memory | storage part, 6 ... Input part, 7 ... Display part 8 ... microphone, 9 ... speaker, 10 ... control unit, 11 ... battery, 12 ... power supply control unit, 13 ... stop recognition unit, 20 ... radio unit power supply, 21 ... Baseband power supply, 22 ... Control power supply, 23 ... Central processing unit power supply, 24 ... Storage power supply, 25 ... Input power supply, 26 ... Display power supply

Claims (1)

A method for reducing power consumption of a mobile phone terminal outside an area where communication with a base station is possible,
Outside the area, when an instruction to stop the communication function is input from the user, the communication function is stopped and the function other than the communication function remains usable while the power source is connected to the radio unit. By stopping the power supply, the communication function is stopped, so that connection information for communication is not transmitted. The power consumption of the mobile phone terminal outside the area where communication with the base station can be reduced. how to.

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