JP2002305475A - Power-consumption state shifting method and mobile communication device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To realize a power-consumption state shifting method, capable of reducing troublesome operations for shifting to a state of operating a communication device, while suppressing the power consumption (power-saving state). SOLUTION: The device includes operation state changing processes (S1 and S2), in which the operation state of each function of the mobile communication device to be power-saved is changed on the basis of setting contents for power saving, which have previously been recorded for each function, according to the chance of shifting to the power-saving state.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power-saving state transition method suitable for suppressing power consumption of a mobile communication device, and a mobile communication device.

[0002]

2. Description of the Related Art In recent years, as a mobile communication device such as a cellular phone, an electronic mail function and WWW (World W
ide Web) is realized with a browser function (WWW search / circulation function). For this reason, users are increasingly using the mobile communication device for purposes other than calling. As a result, the power consumption of the mobile communication device increases, and the usable time of the battery as the power supply is shortened.

In order to cope with this, a user resets the power consumption for each function of the mobile communication device so that the power consumption is reduced for each function of the mobile communication device, for example. The battery is provided so that the mobile communication device can be used continuously.

[0004]

However, as described above, it is necessary for the user to make settings for low power consumption for each function, and there is a problem that these operations are troublesome. In addition, users need to change which function settings,
Further, there is a case where it is not known how to change the setting to be effective for power saving. For this reason, the user may feel troublesome in the power saving operation itself. Further, if these settings are troublesome, the battery may be consumed during the setting, and each function may be stopped.

[0005] For these reasons, there is a demand for a mobile communication device that can reduce the labor of operation when shifting to a state of operating with reduced power consumption (power saving state). In particular, in a situation where the battery cannot be replaced or charged, the user generally wants to use the mobile communication device in the power saving state to extend the life of the battery. Realization of a communication device is desired.

The present invention has been made in view of such circumstances, and an object of the present invention is to reduce the time and effort required for shifting to a state in which operation is performed with reduced power consumption (power saving state). It is an object of the present invention to provide a power saving state transition method and a mobile communication device.

Another object of the present invention is to provide a power saving state transition method and a mobile communication device that can reduce the labor required for canceling the power saving state.

Further, the present invention also provides a power-saving state transition method and a mobile communication device capable of reducing the time and effort required for canceling the power-saving state and returning to the operation state before the transition to the power-saving state. Aim.

It is another object of the present invention to provide a power-saving state transition method and a mobile communication device that can perform transition to the power-saving state or release of the power-saving state by a simple operation.

[0010]

In order to solve the above-mentioned problems, an invention of a method for shifting to a power saving state according to claim 1 is provided.
In response to the transition to the power saving state, including an operation state changing step of changing the operation state of the mobile communication device based on the power saving setting content recorded in advance for each function to be subjected to power saving. Features.

According to a second aspect of the present invention, in the first aspect of the present invention, the operation state changing step is based on a priority given in advance for each of the functions in accordance with the content of the transition trigger. The method further includes a process of selecting a function to be changed.

According to a third aspect of the present invention, in the first or second aspect of the present invention, the method further comprises a canceling step of canceling the power saving state in response to the cancellation of the power saving state. .

According to a fourth aspect of the present invention, in the third aspect of the present invention, the method further includes a step of recording an operation setting content before the operation state of the function is changed, and the step of releasing the operation state of the function. Is returned to the state of the recorded operation setting contents.

According to a fifth aspect of the present invention, there is provided a mobile communication device, comprising: a power saving correspondence table storing means in which power saving setting contents are pre-recorded for each power saving target function of the mobile communication device; Processing means for performing a power saving state transition process for changing the operation state of the function based on the power saving setting contents of the power saving correspondence table storage means in response to the transition trigger of the above.

According to a sixth aspect of the present invention, in the fifth aspect of the invention, the power saving correspondence table storage means comprises:
A priority stored in advance for each of the functions is stored, and the processing unit performs a process of selecting the function to be changed based on the priority of the power saving correspondence table storage unit according to the content of the transition trigger. It is characterized by performing further.

According to a seventh aspect of the present invention, in accordance with the fifth or sixth aspect of the present invention, there is provided a shift instruction input means for inputting a shift instruction to a power saving state, and the processing means is configured to execute the shift instruction. It is characterized in that an input from the input means is used as the transition trigger.

According to an eighth aspect of the present invention, in the invention according to any one of the fifth to seventh aspects, the processing means cancels the power saving state in response to the cancellation of the power saving state. The processing is further performed.

According to a ninth aspect of the present invention, in the invention according to the eighth aspect, the processing means records the operation setting contents before the change of the operation state of the function in the storage means, and executes the power saving state. Upon release, a process of returning the operation state of the function to the state of the recorded operation setting contents is further performed.

According to a tenth aspect of the present invention, in accordance with the eighth or ninth aspect of the present invention, there is provided a release instruction inputting means for inputting a release instruction for a power saving state, and the processing means is configured to input the release instruction input. It is characterized in that an input from the means is used as the release trigger.

According to an eleventh aspect of the present invention, in any one of the fifth to tenth aspects of the present invention, the mobile communication device further comprises a remaining battery level detecting means for detecting a remaining battery level of the mobile communication device. The processing means is a time when the detection result of the battery remaining amount detecting means is equal to or less than a predetermined remaining amount, or a time point when the detection result of the battery remaining amount detecting means is equal to or more than a predetermined remaining amount. Is a trigger for the cancellation.

[0021]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing a configuration of a mobile phone (mobile communication device) according to the first embodiment of the present invention. In this figure, reference numeral 1 denotes a CPU (Central Processing Unit) that controls each part of the circuit. This CPU1
Performs the power saving state transition processing in response to the transition to the power saving state. The power saving state refers to a state in which the mobile phone operates with reduced power consumption.

Reference numeral 2 denotes a ROM (Read Only Memory) in which programs for the CPU 1 are stored. Reference numeral 3 denotes a RAM (random access memory) for temporarily storing data. Reference numeral 4 denotes an operation unit provided with a numeric keypad for inputting a telephone number and the like, various function keys, a power saving shift key, and the like. is there. Note that RA
M3 is backed up by a battery, and stored data is retained even when the power of the mobile phone is turned off.

Reference numeral 6 denotes an antenna, and reference numeral 7 denotes a communication processing unit that transmits and receives radio signals via the antenna 6 and performs communication control for establishing a radio telephone line. Reference numeral 8 denotes an audio processing unit that processes audio transmitted and received via the wireless telephone line established by the communication processing unit 7. Reference numeral 9 denotes a microphone for inputting audio to the audio processing unit 8, and reference numeral 10 denotes a speaker that outputs audio input from the audio processing unit 8.

Reference numeral 11 denotes a ring tone generating unit that generates a ring tone according to an instruction from the CPU 1 and outputs the ring tone to the speaker 12. Reference numeral 13 denotes a vibration generation unit that generates vibration for notification of an incoming call according to an instruction from the CPU 1.

FIG. 6 is a diagram showing an example of the appearance of the portable telephone shown in FIG. In FIG. 6, reference numeral 31 denotes a display screen of the liquid crystal display panel of the display unit 5. Reference numeral 32 denotes a power saving shift key of the operation unit 4.
Numeral 2 is for inputting an instruction to shift the operation state of the mobile phone to the power saving state. Further, numeric keys and various function keys of the operation unit 4 are arranged.

FIG. 3 is a diagram showing a configuration example of the power saving state transition correspondence table 21 recorded in the RAM 3 shown in FIG. The power saving state transition correspondence table 21 is stored in the CPU 1
Is referred to when executing the power saving state transition processing. FIG.
As shown in the figure, the power saving state transition correspondence table 21 includes a function (power saving target function) item to be subjected to power saving and an operation setting content (power saving setting content) of the function at the time of transition to the power saving state. Store.

The power saving target function items and the power saving setting contents are determined in advance based on the power consumption of the function operation of the mobile phone and the importance of the function. In the example of FIG. 3, the display unit backlight and the operation unit backlight that consume large power are turned off at the time of transition to the power saving state. The call quality is set to a low quality that can reduce power consumption. The ringing tone and the vibration for alerting the incoming call (incoming vibration) are also not generated because the power consumption is large.

The screen saver is a function for displaying a character image or the like when the display screen 31 shown in FIG. 6 is not in use, and is not a particularly important function as a mobile phone function. The screen partial display is a function of partially displaying only a screen used for an important function such as a telephone function on the display screen 31 of FIG. 6, and the power consumption of the liquid crystal display panel of the display unit 5 is reduced by this function. Activate the function. The call display lamp is turned on during a call to notify that the user is in a call state. Since this is not a particularly important function, it is turned off here. Illumination is a function of performing decoration by turning on or blinking a lamp, and is not a particularly important function. Therefore, the operation is stopped here.

Next, the operation of the user of the mobile phone of FIG. 1 pressing the power saving shift key 32 of FIG. 6 to shift the mobile phone to the power saving state will be described with reference to FIG. FIG.
4 is a flowchart showing a flow of a power saving state transition process performed by the CPU 1 of FIG.

First, it is assumed that the user operates the portable telephone in a non-power saving state. Here, when the user presses the power saving shift key 32, the operation unit 4 of the mobile phone notifies the CPU 1 of the pressing of the power saving shifting key 32.
In response to this notification, the CPU 1 determines that there is an instruction to shift to the power saving state (shift trigger) (when the determination result of step S1 in FIG. 2 is “YES”), and the power saving state shift correspondence table recorded in the RAM 3 21 is read out.

Next, the CPU 1 changes the operation content of each function of the power saving target function item to each power saving setting content according to the content of the power saving state transition correspondence table 21 (step S2 in FIG. 2). As a result, the operation state of each function of the power saving target function item becomes the state of the power saving setting content,
The transition of the mobile phone to the power saving state is completed.

In the above-described first embodiment, an instruction to shift to the power saving state is input by pressing the power saving shift key 32, and the input shifts to the power saving state as a trigger for shifting to the power saving state. However, a transition instruction to the power saving state may be issued by a predetermined setting operation, and the transition to the power saving state may be made as a trigger for transition to the power saving state.

In the above-described first embodiment, the input of the instruction to shift to the power saving state by the power saving shift key (shift instruction input means) is a trigger for shifting to the power saving state. The operation state of the function is changed based on the power saving setting content recorded in advance for each power saving target function of the telephone. As a result, it is possible to make a transition to the power saving state by a simple operation of pressing the power saving transition key, and it is possible to obtain the effect of reducing the trouble of the operation when shifting to the power saving state.

Further, since the power saving setting contents are recorded in advance in the power saving state transition correspondence table 21 for each power saving target function, the user can change the setting of which function and how to change the setting. If it is changed, it is possible to shift to the power saving state without knowing that it is effective for power saving.

As described above, according to the first embodiment, the user does not need the trouble of the power saving operation conventionally required and the knowledge of the power saving setting contents, so that the power saving is performed. This has the effect of reducing the burden on the user who feels the operation itself troublesome.

Next, a description will be given of a power-saving state transition process of a portable telephone (mobile communication device) according to a second embodiment of the present invention. The configuration of the mobile phone according to the second embodiment is the same as the configuration shown in FIG. Fig. 6
Is the same as that shown in FIG. In the second embodiment, the mobile phone has a plurality of states as power saving states.

FIG. 4 shows a second embodiment of the present invention.
It is a flowchart which shows the flow of the power saving state shift processing which PU1 performs. FIG. 5 shows a power saving state transition correspondence table 22 recorded in the RAM 3 of FIG. 1 in the second embodiment.
FIG. 3 is a diagram showing an example of the configuration of FIG. The power saving state transition correspondence table 22 stores the same contents as the power saving state transition correspondence table 21 in FIG. 3, but stores priorities assigned in advance to the respective power saving target function items. The priority corresponds to each power saving state of the mobile phone.

The power saving state transition correspondence table 22 of FIG.
Is an example of a case where the mobile phone has three power saving states. The power saving states are level 3 that enables the largest power saving, and level 2 that enables the next largest power saving. , Which is the level 1 which is the smallest power saving.

In FIG. 5, priority levels 1 to 3 are defined as priority levels, and priority level 1 indicates a power saving target function item to be set at all levels 1 to 3. Priority 2 indicates a power saving target function item to be set at levels 2 and 3. Priority 3 indicates a power saving target function item to be set only at level 3. These priorities are determined in advance based on the power consumption of the function operation of each power saving target function item and the importance of the function.

In the power saving state transition processing, the CPU 1
With reference to the power saving state transition correspondence table 22, a process of selecting a function whose operation content is to be changed based on the priority assigned in advance to each power saving target function in accordance with the content of the transition trigger to the power saving state is performed.

Referring now to FIGS. 4 and 5, the user of the mobile phone of FIG. 1 according to the second embodiment presses the power saving shift key 32 of FIG. 6 to shift the mobile phone to the power saving state. The operation to be performed will be described. First, it is assumed that the user operates the mobile phone in the non-power saving state and uses the mobile phone. here,
When the user presses the power saving shift key 32, the CPU 1
Since the transition to the power-saving state is the first transition to the power-saving state, the processing for transitioning to the power-saving state of level 1 that minimizes power consumption is performed.

In this transition processing, the CPU 1
Then, the contents of the power saving state transition correspondence table 22 recorded in No. 3 are read out, and the operation contents of the corresponding function are changed to the respective power saving setting contents in accordance with the contents of the power saving target function item of priority 1. Further, the setting contents before the change of the changed functions are recorded in the RAM 3 (steps S11 and S11 in FIG. 4).
12). As a result, the mobile phone has shifted to the level 1 power saving state in which the power saving is the smallest.

Next, the user again operates the power saving shift key 3
When the user presses No. 2, the CPU 1 shifts from the power saving state of level 1 to the power saving state, so that the CPU 1 performs the process of shifting to the power saving state of level 2, which is one step larger power saving. Do.

In this transition processing, the CPU 1 reads the contents of the power saving state transition correspondence table 22 and sets the priority 2
In accordance with the content of the power saving target function item, the operation content of the function is changed to each power saving setting content. In addition, the setting contents of the changed functions before the change are recorded in the RAM 3 (steps S13 and S14 in FIG. 3). As a result, the portable telephone has shifted to the level 2 power saving state.

Next, the user again operates the power saving shift key 3
When the user presses the button 2, the CPU 1 shifts from the power saving state of level 2 to the power saving state, so that the CPU 1 shifts to the power saving state of level 3 which is one more level of power saving. I do.

In this transition processing, the CPU 1 reads out the contents of the power saving state transition correspondence table 22 and assigns the priority 3
In accordance with the content of the power saving target function item, the operation content of the corresponding function is changed to each power saving setting content. In addition, the setting contents of the changed functions before the change are recorded in the RAM 3 (steps S15 and S16 in FIG. 3). As a result, the mobile phone has shifted to the level 3 power saving state in which the greatest power saving is achieved.

Next, the user again operates the power saving shift key 3
When the user presses 2, the CPU 1 is in the level 3 power saving state in which the operation state of the CPU 1 is the largest power saving.
It is determined that there is a power saving state release instruction (release trigger), and a process is performed to release the power saving state and return to the non-power saving state.

In this transition processing, the CPU 1 reads the setting contents before the change recorded in the RAM 3 in the above steps S12, S14 and S16, and similarly reads out the contents in steps S12 and S1.
4. The setting contents of the function changed in S16 are returned to the read setting contents before the change (steps S17 and S1 in FIG. 3).
8). As a result, the mobile phone cancels the power saving state, returns to the non-power saving state, and returns to the state of the operation content before the transition to the power saving state.

In the above-described second embodiment, an instruction to shift to the power saving state or an instruction to cancel the power saving state is realized by continuously pressing the power saving shift key 32. Next, these inputs are sequentially selected as transition triggers to the power saving state or release triggers of the power saving state, ie, transition to any of the power saving states of levels 1 to 3 or release of the power saving state.

The function of selecting one of a plurality of power saving states or canceling the power saving state is described below.
A predetermined setting operation realizes input of an instruction to shift to the power saving state or input of an instruction to cancel the power saving state, and selects these inputs as an opportunity to shift to the power saving state or to cancel the power saving state. You may.

In the above-described second embodiment, a transition instruction to the power saving state by the power saving transition key (transition instruction input means) is used as a trigger for transition to the power saving state, and according to the content of the transition trigger, A function whose operation content is to be changed is selected based on a priority assigned in advance to each power saving target function. Thus, in addition to the same effects as those of the first embodiment, an effect is obtained that the transition to any one of the plurality of power saving states can be performed by a simple operation of pressing the power saving transition key. .

Further, in the second embodiment, in the power saving state in which the operation state is the largest power saving, the power saving shift key is made to function as a cancellation instruction input means, and the power saving state by the cancellation instruction input means is set. Is input as a trigger to release the power saving state, and the power saving state is released in response to the release trigger.

As a result, it is possible to automatically cancel the power saving state without changing the settings for canceling the power saving state, and to reduce the user's trouble in canceling the power saving state. Is obtained. In addition, there is an effect that the operation can be performed by a simple operation of pressing the power saving shift key.

Further, in the second embodiment, the operation setting contents before changing the operation state of the power saving target function are recorded, and when the power saving state is released, the operation state of the power saving target function is changed. Returns to the state of the recorded operation setting contents. As a result, the power saving state is released, the state returns to the non-power saving state, and the state of the operation content before the transition to the power saving state is restored. The setting operation for returning to the operation state before the transition to the power saving state The effect that the trouble of can be reduced can be obtained.

In the first embodiment, as in the second embodiment, the power saving state is canceled by pressing the power saving shift key 32 in the power saving state of the portable telephone, and the non-power saving state is released. The state may be returned to the state of the operation content before the transition to the power saving state.

In the above-described embodiment, after shifting to the power saving state, an instruction to cancel the power saving state is realized by pressing the power saving shift key 32, and the power saving state is canceled by this instruction. However, an instruction to cancel the power saving state is realized by pressing another predetermined key or a predetermined setting operation, the power saving state is canceled by this instruction, and the state of the operation content before the transition to the power saving state is restored. You may do so.

In the above-described embodiment, the user shifts to the power saving state or cancels the power saving state when the user presses the power saving shift key 32. The power saving state may be automatically shifted to the power saving state or the power saving state may be canceled based on the remaining amount. In this case, the mobile phone is provided with a battery remaining amount detecting means for detecting its own remaining battery amount, and the CPU 1 switches to a power saving state when the detection result of the battery remaining amount detecting means becomes equal to or less than a predetermined remaining amount. This is a transition opportunity. Alternatively, a point in time when the detection result of the battery remaining amount detecting means becomes equal to or more than a predetermined remaining amount is set as a trigger for releasing the power saving state.

Further, a function may be provided for disabling the power saving state transition process performed by the CPU 1 so that the operation state does not transition to the power saving state even if the power saving transition key 32 is pressed.

In the above-described embodiment, a case has been described in which the present invention is applied to a mobile phone as a mobile communication device. However, the present invention is similarly applicable to a PHS (Personal Handy-phone System) terminal and a portable information terminal. .

The embodiment of the present invention has been described in detail with reference to the drawings. However, the specific configuration is not limited to this embodiment, and a design change or the like may be made without departing from the gist of the present invention. included.

[0061]

As described above, according to the present invention,
In accordance with the transition to the power saving state, the operation state of the function is changed based on the power saving setting content recorded in advance for each function of the mobile communication device to be subjected to power saving. Therefore, the user does not need to reset the power consumption for each function of the mobile communication device so that the power consumption is considered to be reduced, and it is possible to obtain the effect of reducing the labor of operation when shifting to the power saving state.

Further, since the power saving setting contents are recorded in advance for each function to be subjected to power saving, the user can change the setting of any function and how to change the setting. It is possible to shift to the power saving state without knowing that it is effective for power saving.

As described above, according to the present invention, the power-saving operation and the knowledge of the power-saving setting contents required in the conventional mobile communication device are not required, and the power-saving operation itself is not performed. This can reduce the burden on the user who feels troublesome.

Further, if the function whose operation content is to be changed is selected based on the priority given in advance for each function to be subjected to power saving according to the content of the trigger for shifting to the power saving state, a plurality of functions can be selected. In the case of transition to any one of the power-saving states, the transition to the corresponding power-saving state is possible according to the content of the transition trigger. Therefore, there is no need for the user to change the setting of the operation of each function for each power saving state, and even when using the device in any one of a plurality of power saving states, the user can save time and effort in operation. The effect of being able to reduce is obtained.

Further, if the power saving state is released in response to the release timing of the power saving state, the power saving state can be automatically released without changing the setting for releasing the power saving state. As a result, it is possible to obtain the effect of reducing the user's time and effort for canceling the power saving state.

Further, the operation setting contents of the power saving target function before the operation state change are recorded, and when the power saving state is released, the operation state of the power saving target function is recorded. If you return to the state of the operation setting contents
In addition to canceling the power saving state, it is possible to return to the state of the operation content before shifting to the power saving state, and it is possible to reduce the trouble of setting operation for returning to the operation state before shifting to the power saving state. .

Further, a shift instruction input means for inputting an instruction to shift to the power saving state is provided. If an input from the shift instruction input means is a trigger for shifting to the power saving state, the power saving state can be changed by a simple operation. The effect of being able to shift is obtained.

The power-saving state is released by a simple operation if the power-saving state is provided with a release instruction input means for inputting a power-saving state release instruction. The effect that it can be obtained is obtained.

Further, the mobile communication device is provided with a battery remaining amount detecting means for detecting a battery remaining amount, and when the detection result of the battery remaining amount detecting means becomes equal to or less than a predetermined remaining amount, the transition to the power saving state is triggered. Alternatively, if the time when the detection result of the battery remaining amount detecting means is equal to or more than a predetermined remaining amount is a trigger for canceling the power saving state, the mobile communication device determines whether to shift to the power saving state or cancel the power saving state. Automatically based on the remaining battery power. As a result, it is possible to save time and effort for the operation for shifting to the power saving state or canceling the power saving state, and an effect that the burden on the user can be further reduced.

[Brief description of the drawings]

FIG. 1 is a block diagram illustrating a configuration of a mobile phone (mobile communication device) according to a first embodiment of the present invention.

FIG. 2 is a flowchart showing a flow of a power saving state transition process performed by a CPU 1 shown in FIG.

FIG. 3 is a diagram showing a configuration example of a power saving state transition correspondence table 21 recorded in a RAM 3 shown in FIG. 1;

FIG. 4 is a flowchart illustrating a flow of a power saving state transition process according to a second embodiment of the present invention.

FIG. 5 is a diagram illustrating a configuration example of a power saving state transition correspondence table 22 according to the second embodiment.

FIG. 6 is a diagram showing an example of the appearance of the mobile phone shown in FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 CPU 2 ROM 3 RAM 4 Operation part 5 Display part 6 Antenna 7 Communication processing part 8 Audio processing part 9 Microphone 10, 12 Speaker 11 Ringtone generation part 13 Vibration generation part 21, 22 Power saving state transition correspondence table 32 Power saving transition Key

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 5B011 EA10 LL11 5K027 AA11 BB17 GG03 5K067 AA27 AA34 AA43 EE02 HH23 KK06

Claims (11)

[Claims] 1. An operation state change for changing an operation state of a function of a mobile communication device based on power saving setting contents recorded in advance for each function to be subjected to power saving in response to a transition trigger to a power saving state. A method for transitioning to a power saving state, comprising: 2. The method according to claim 1, wherein the operation state changing step further includes a step of selecting the function to be changed based on a priority assigned in advance to each function in accordance with the content of the transition trigger. The power saving state transition method according to claim 1. 3. The power saving state transition method according to claim 1, further comprising a releasing step of releasing the power saving state in response to the power saving state releasing trigger. 4. The method according to claim 1, further comprising a step of recording an operation setting content before changing the operation state of the function, and the releasing step further comprising a step of returning the operation state of the function to the state of the recorded operation setting content. The method according to claim 3, wherein the power saving state is changed. 5. A power saving table storing means in which power saving setting contents are recorded in advance for each power saving target function of the mobile communication device, and said power saving corresponding function is provided in response to a transition to a power saving state. Processing means for performing a power saving state transition process for changing the operation state of the function based on the power saving setting contents of the table storage means;
A mobile communication device comprising: 6. The power saving correspondence table storage means stores a priority assigned in advance for each of the functions, and the processing means stores the priority in the power saving correspondence table storage means in accordance with the content of the transition trigger. The mobile communication device according to claim 5, further comprising performing a process of selecting the function to be changed based on a priority. 7. A transfer instruction input means for inputting a transfer instruction to a power saving state, wherein the processing means uses an input from the transfer instruction input means as the transfer trigger. The mobile communication device according to claim 6. 8. The apparatus according to claim 5, wherein said processing means further performs a process of canceling the power saving state in response to a trigger of canceling the power saving state.
The mobile communication device according to any one of the above items. 9. A process for recording, in a storage unit, an operation setting content before a change in the operation state of the function, and processing the operation state of the function when the power saving state is released. 9. The mobile communication device according to claim 8, further comprising: performing a process of returning to the content state. 10. The apparatus according to claim 8, further comprising a release instruction input unit for inputting a release instruction for a power saving state, wherein said processing unit uses an input from said release instruction input unit as said release trigger. Item 10. A mobile communication device according to item 9. 11. A battery level detecting unit for detecting a battery level of the mobile communication device, wherein the processing unit determines when the detection result of the battery level detecting unit becomes a predetermined level or less. 11. The release trigger according to any one of claims 5 to 10, wherein the trigger is a shift trigger, or a timing when the detection result of the battery remaining detector becomes equal to or more than a predetermined remaining threshold is the trigger for cancellation. Mobile communicator.