WO2014136405A1 - 電子機器、電源供給制御方法、及びプログラム - Google Patents
電子機器、電源供給制御方法、及びプログラム Download PDFInfo
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- WO2014136405A1 WO2014136405A1 PCT/JP2014/001049 JP2014001049W WO2014136405A1 WO 2014136405 A1 WO2014136405 A1 WO 2014136405A1 JP 2014001049 W JP2014001049 W JP 2014001049W WO 2014136405 A1 WO2014136405 A1 WO 2014136405A1
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- application program
- memory area
- predetermined
- control unit
- operation state
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/3287—Power saving characterised by the action undertaken by switching off individual functional units in the computer system
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/266—Arrangements to supply power to external peripherals either directly from the computer or under computer control, e.g. supply of power through the communication port, computer controlled power-strips
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
- G06F1/3212—Monitoring battery levels, e.g. power saving mode being initiated when battery voltage goes below a certain level
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/325—Power saving in peripheral device
- G06F1/3275—Power saving in memory, e.g. RAM, cache
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0251—Power saving arrangements in terminal devices using monitoring of local events, e.g. events related to user activity
- H04W52/0254—Power saving arrangements in terminal devices using monitoring of local events, e.g. events related to user activity detecting a user operation or a tactile contact or a motion of the device
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Definitions
- the present invention relates to an electronic device that controls power consumption in a memory, a power supply control method, and a program.
- Patent Document 1 when the battery remaining amount is equal to or greater than a first threshold value, data communication is executed by wireless LAN connection, and when the battery remaining amount is less than the first threshold value, A technique for displaying a screen recommending connection by cellular communication on a display unit, and further executing a predetermined power saving operation when the remaining battery level is lower than a second threshold value lower than the first threshold value. Proposed.
- Patent Document 2 garbage collection for collecting free areas scattered on the memory into one continuous free area is performed at predetermined intervals or at a predetermined timing, and the free space is transferred to the memory bank. A technique for stopping the power supply of the system has been proposed.
- Patent Document 3 when a voltage drop of the power source of the main battery is detected, an operation stop signal is output to those which are not necessary for the currently executed software processing among those constituting the computer system.
- a technique has been proposed in which the device is turned off and the computer system is set to a low current consumption mode.
- Patent Documents 1 and 3 do not consider power saving in the memory, and there is a problem that power consumption in the memory cannot be reduced in multi-process execution by a plurality of applications or the like.
- Patent Document 2 Although power saving in the memory is taken into consideration, it is necessary to execute garbage collection for collecting free areas into one continuous free area, and thus garbage collection itself consumes power. . Further, in Patent Document 2, when the memory capacity tends to increase, there is a problem that it takes time for garbage collection and the power consumption in the memory cannot be sufficiently reduced. Furthermore, in Patent Document 2, even if there is an application that is activated in the memory but is not substantially operating or is in a standby state, power is still supplied to the memory area, so that the consumption in the memory is also performed. There was a problem that power could not be reduced sufficiently.
- an object of the present invention is to provide an electronic device, a power supply control method, and a program that can reduce power consumption in a memory.
- An electronic apparatus includes a storage unit including a predetermined memory area, and a memory that determines an operation state of the application program and arranges the application program in the predetermined memory area when the operation state is the predetermined operation state.
- An electronic apparatus comprising: a management unit; and a control unit that stops power supply to the predetermined memory area.
- the step of allocating a predetermined memory area to the storage unit, the operation status of the application program is determined, and if the operation status is the predetermined operation status, the application program is stored in the predetermined memory area. And a step of stopping power supply to the predetermined memory area.
- the program of the present invention determines the function of allocating a predetermined memory area to the storage unit and the operation status of the application program to the computer of the electronic device including the storage unit. Is executed to execute a function of allocating to the predetermined memory area and a function of stopping power supply to the predetermined memory area.
- 14 is a flowchart for explaining an operation of a memory management unit 29-3 according to the second embodiment. It is a conceptual diagram which shows the example of memory arrangement
- movement of the use restriction control part 29-4 by this 2nd Embodiment. It is a conceptual diagram which shows the transfer state of the power-saving state of the memory area of the mobile telephone 20 by this 2nd Embodiment. 10 is a flowchart for explaining an operation when an application program is activated by a user in the mobile phone 20 according to the second embodiment.
- FIG. 1 is a block diagram showing a configuration of an electronic device 1 according to the first embodiment of the present invention.
- the electronic device 1 includes a power supply 10, a storage unit 11, a memory management unit 12, and a control unit 13.
- the power source 10 may be a stabilized power source that converts a commercial power source into a DC voltage, a rechargeable secondary battery (battery), or a primary battery (battery).
- the storage unit 11 includes a nonvolatile memory, an SD card, and the like, and provides a work area for operating an application program.
- the storage unit 11 is provided with a predetermined memory area 11-1.
- the power supply / shutoff from the power supply 10 can be controlled with respect to the predetermined memory area 11-1 under the control of the control unit 13 described later.
- the memory management unit 12 determines the operation status of the running application program. If the operation status is the predetermined operation status, the memory management unit 12 arranges (moves) the application program in the predetermined memory area 11-1 of the storage unit 11. .
- the predetermined operation status means that an activated application program does not perform any operation (for example, communication processing) continuously (continuously) or intermittently (intermittently). That is, it corresponds to the situation where it is not operating.
- the control unit 13 controls power supply / cutoff from the power supply 10 to a predetermined memory area. In particular, the control unit 13 stops the power supply from the power supply 10 to the predetermined memory area 11-1.
- FIG. 2 is a flowchart for explaining the operation of the electronic apparatus 1 according to the first embodiment.
- the memory management unit 12 determines the operation status of the activated application program (step S10). If the operation status is the predetermined operation status, the memory management unit 12 stores the application program in the predetermined memory area 11-1 of the storage unit 11. Is arranged (moved) (step S12). Next, it is determined whether there is another application program that is being activated (step S14).
- step S14 If there is another application program that is active (YES in step S14), the process returns to step S10, and the active application program that is in a predetermined operation status is placed (moved) in the predetermined memory area 11. To do. Note that an application program that is not in a predetermined operation status is not assigned to a predetermined memory area 11-1.
- the control unit 13 supplies power to the predetermined memory area 11-1 from the power supply 10. Is stopped (step S16). Thereafter, the process ends.
- the operating status of the running application program is determined, and the application program in the predetermined operating status is arranged (moved) in the predetermined memory area 11-1 of the storage unit 11. Since the power supply to the predetermined memory area 11-1 is stopped, the power consumption in the memory can be reduced.
- FIG. 3 is a block diagram showing a configuration of the mobile phone 20 according to the second embodiment.
- a mobile phone 20 includes a radio communication control unit 21, a voice input / output unit 22, an operation unit 23, a light emission notification unit 24, a vibration notification unit 25, a display unit 26, a storage unit 27, a temporary storage unit 28, and a terminal.
- the control unit 10 is configured.
- the wireless communication control unit 21 controls wireless communication of the mobile phone 20 and exchanges information controlled by the terminal control unit 10 with the outside.
- the voice input / output unit 22 is a voice input / output device such as a microphone or a speaker.
- the operation unit 23 is an input device such as a hard key or a touch sensor.
- the light emission notification unit 25 is a state notification device that includes a lamp, an LED, and the like and notifies the state by lighting.
- the vibration notification unit 25 notifies the state by vibration with a vibrator or the like.
- the display unit 26 is a display device such as a black-and-white or color liquid crystal panel, and displays user operation results and various states of the mobile phone 20.
- the storage unit 27 is a storage device that stores control information of the mobile phone 20, information created by a user, or information received from the outside, and includes a nonvolatile memory, an SD card, and the like.
- the temporary storage unit 28 is a RAM or the like that is a work area for operating a program.
- the terminal control unit 29 controls each unit described above to realize a series of operations as a mobile phone.
- the terminal control unit 29 includes a power saving control unit 29-1, an operation attribute management unit 29-2, and a memory management unit 29-3.
- the power saving control unit 29-1 monitors the remaining battery level, and when the remaining battery level is equal to or less than the specified value, the power saving operation transition instruction for instructing the shift to the power saving operation is displayed. If larger, a normal operation shift instruction for canceling the power saving operation and instructing the shift to the normal operation is sent to the memory management unit 29-3.
- the operation attribute management unit 29-2 monitors the operation status of the running application program and specifies the operation attributes (SYS attribute, temp attribute, and period attribute) described later.
- the memory management unit 29-3 controls the transition to the power saving operation or the transition to the normal operation by canceling the power saving operation in accordance with the instruction from the power saving control unit 29-1.
- the memory management unit 29-3 performs memory management for the application program being operated as follows.
- the memory management unit 29-3 divides the memory area into a plurality of memory areas, and manages each memory area as a SYS designation area, a temp designation area, and a period designation area.
- the memory area since power supply is controlled for each memory area, it is preferable to set the memory area in units of memory chips (semiconductor chips).
- power supply is controlled in units of memory chips, that is, power supply to the memory area is controlled.
- the memory management unit 29-3 periodically monitors a running program, and in accordance with the operation attribute of the running program, the program having the same operation attribute is assigned to the predetermined attribute of the memory. Relocate to the area.
- SYS attribute is a system program related to the OS
- temp attribute is an application program that operates temporarily without periodic operation
- period attribute performs some processing such as periodically performing information communication.
- Application program is a system program related to the OS
- FIG. 4 is a conceptual diagram for explaining the operation attributes of the running application program in the second embodiment.
- the application program in the upper stage does not have a regular operation and operates temporarily, and thus is classified as a temp attribute.
- the lower-level application program periodically performs information communication processing, and thus is classified as a period attribute.
- the application program is classified into the temp attribute at the first activation, and then classified into the period attribute when there is some operation until a predetermined time Ti elapses. A buy that has not been operated even after a predetermined time Ti has elapsed is fixed to the temp attribute.
- the memory management unit 29-3 rearranges the running system program with the SYS attribute in the SYS designation area. In addition, the memory management unit 29-3 rearranges the application program having the temp attribute in the temp designation area. Further, the memory management unit 29-3 places a period attribute application program in the period designation area.
- the memory management unit 29-3 includes a use restriction control unit 29-4 and a rearrangement control unit 29-5.
- the usage restriction control unit 29-4 receives the power saving operation transition instruction from the power saving control unit 29-1, the usage restriction control unit 29-4 refers to a management table 40 (FIG. 5) to be described later, and an application program (also called a task) having a temp attribute If activated, all application programs having the temp attribute are terminated and the power of the memory in the temp memory area is turned off.
- the rearrangement control unit 29-5 refers to an operation attribute determined by the operation attribute management unit 29-2 and reflected in a management table 40 (FIG. 5) to be described later, and sets an application program with a period attribute to specify a period.
- the application program having the temp attribute is rearranged in the memory area # 2
- the application program having the temp attribute is rearranged in the memory area # 3 designated by temp, and the memory usage status is aggregated.
- the rearrangement control unit 29-5 revises the memory area No. of the corresponding application program (task). Update.
- FIG. 5 is a conceptual diagram showing an example of the management table 40 managed by the memory management unit 29-3 according to the second embodiment.
- the management table 40 holds the status (operation status), program type, first activation time, latest operation time, operation attribute, and memory area number for each activated program (task).
- the program “user_prog2” has a task ID “105”, is currently operating (Run), has an operation attribute “temp”, and a memory area No. is managed by “# 3”. Yes.
- the program “user_prog5” has a task ID “201”, is currently stopped (stop), has an operation attribute “period”, and is managed with a memory area number “# 2”.
- FIG. 6 is a flowchart for explaining the power saving operation transition process of the power saving control unit 29-1 according to the second embodiment.
- the power saving control unit 29-1 monitors the remaining battery level (step S20) and determines whether or not it is currently in a power saving operation state (step S22). If the power saving operation state is not set (No in step S22), the power saving control unit 29-1 determines whether or not the remaining battery level is equal to or less than a specified value (step S24). If the remaining battery level is equal to or less than the specified value (YES in step S24), the power saving control unit 29-1 notifies the memory management unit 29-3 of a power saving operation transition control instruction (step S26). ). Then, the process ends.
- the memory management unit 29-3 performs power control of the memory area according to the power saving operation shift control instruction, and shifts to the power saving operation. On the other hand, if the remaining battery level is greater than the specified value (NO in step S24), nothing is performed and the process is terminated.
- the power saving control unit 29-1 determines whether or not the remaining battery level is equal to or less than a specified value (step S28). If the remaining battery level is equal to or less than the specified value (YES in step S28), nothing is performed and the process ends.
- the power saving control unit 29-1 notifies the memory management unit 29-3 of a normal operation transition control instruction (step S30). . Then, the process ends.
- the memory management unit 29-3 performs power control of the memory area that has saved power, cancels the power saving operation, and shifts to the normal operation.
- FIG. 7 is a flowchart for explaining the operation of the operation attribute management unit 29-2 according to the second embodiment.
- the operation attribute management unit 29-2 periodically monitors the activation of the application program. Then, when any application program is activated, the operation attribute management unit 29-2 records the activation time (at the first activation) of the activated application program, and sets the operation attribute to temp (step S40).
- the operation attribute management unit 29-2 monitors the application program that is periodically started. Then, the operation attribute management unit 29-2 confirms whether or not the operation time is updated in the running application program (step S42).
- time Ti arbitrarily defines a time that may be determined not to be regarded as an application program that performs periodic information communication. For example, it may be 18 hours or more.
- step S46 If the elapsed time from the first activation time is within the time Ti (NO in step S46), the process returns to step S42 without doing anything. On the other hand, when the elapsed time from the first activation time is equal to or longer than the time Ti (YES in step S46), the operation attribute for the program is fixed to temp (step S48). Then, the process ends.
- step S42 If the operating time is updated in the application program being activated (YES in step S42), the latest operating time is updated and the operation attribute is changed from temp to period (step S50). Then, the process ends.
- FIG. 8 is a flowchart for explaining the operation of the memory management unit 29-3 according to the second embodiment.
- the memory management unit 29-3 refers to the management table 40 shown in FIG. 5 and determines whether there is a program with the operation attribute “temp” in the currently activated application program (step S60). If there is a program with the operation attribute “temp” (YES in step S60), the memory management unit 29-3 re-arranges the program with the operation attribute “temp” so as to be rearranged in the memory area designated by temp. A rearrangement instruction is sent to the arrangement control unit 29-5 (step S62). Thereafter, the process returns to step S60.
- the reallocation control unit 29-5 receives the reallocation instruction and rearranges the corresponding application program in the memory area specified by temp. As long as there is a program with the operation attribute “temp”, the memory management unit 29-3 and the rearrangement control unit 29-5 repeat rearrangement of the corresponding application program in the memory area designated by temp.
- the memory management unit 29-3 refers to the management table 40 shown in FIG. 5 and determines whether there is a program with the operation attribute “period”. It is determined whether or not (step S64). If there is a program with the operation attribute “period” (YES in step S64), the memory management unit 29-3 relocate the program with the operation attribute “period” in the memory area specified by the period. A relocation instruction is sent to the relocation control unit 29-5 (step S66). Thereafter, the process returns to step S64.
- the reallocation control unit 29-5 receives the reallocation instruction and rearranges the corresponding application program in the period-designated memory area. Then, as long as there is a program with the operation attribute “period”, the memory management unit 29-3 and the rearrangement control unit 29-5 repeat the rearrangement of the corresponding application program to the period-designated memory area.
- the memory management unit 29-3 performs optimization by collecting unused areas for each memory area (step S68). Thereafter, the process ends. Note that a known technique is used for aggregation and optimization of the unused areas.
- FIG. 9 is a conceptual diagram showing an example of memory allocation for each operation attribute by the reallocation control unit 29-5 of the second embodiment.
- the relocation control unit 29-5 designates the application program for each operation attribute from the activated memory area. Relocate to the memory area.
- the relocation control unit 29-5 converts the SYS attribute programs sys_ser1 to sys_ser3 shown in the activated program list 50 according to the operation attribute determined by the operation attribute management unit 29-2 to SYS.
- FIG. 10 is a flowchart for explaining the operation of the use restriction control unit 29-4 according to the second embodiment.
- the use restriction control unit 29-4 determines whether or not there is a power saving operation shift instruction from the power saving control unit 29-1 (step S70), and when there is no power saving operation shift instruction (NO in step S70). Then, the process is terminated without doing anything.
- the use restriction control unit 29-4 refers to the management table 40 of FIG. It is determined whether there is a program arranged in (step S72).
- step S72 when there is no program arranged in the temp designation area (NO in step S72), the process is terminated without doing anything.
- the use restriction control unit 29-4 ends the application program having the temp attribute (step S74).
- the use restriction control unit 29-4 turns off the power supply to the temp designation area (step S76).
- FIG. 11 is a conceptual diagram showing a transition state of the power saving state of the memory area of the mobile phone 20 according to the second embodiment.
- the cellular phone 20 operates in the normal state 70a in which power is supplied to all of the area # 1, area # 2, area # 3,..., Area #N.
- the SYS attribute program is arranged, in the area # 2, the period attribute application program is arranged, and in the area # 3, the temp attribute application program is arranged.
- the power saving state 70b is entered, the temp attribute program arranged in the area # 3 is terminated, and the temp designation area # The power supply to 3 is cut off (off).
- the power supply to the temp designation area # 3 is saved by turning off the power supply to the temp designation area # 3, thereby saving power.
- FIG. 12 is a flowchart for explaining the operation when the application program is started by the user in the mobile phone 20 according to the second embodiment.
- the terminal control unit 29 determines whether or not a power saving operation is being performed (step S82). If the power saving operation is being performed (YES in step S82), the management table 40 in FIG. 5 is referred to, and whether or not the application program requested to be started is a program arranged in the temp designation area. Is determined (step S84).
- step S84 If the application program is a program arranged in the temp designation area, in other words, if the application program is a temp attribute program (YES in step S84), the application program activation request is rejected (step S84). S86), the process ends. That is, in this case, the application program is not activated.
- step S82 when the power saving operation is not being performed (NO in step S82), or even when the power saving operation is being performed (YES in step S82), if the program is not a temp attribute program (NO in step S84), As usual, the application program requested to be activated is activated (step S88), and the process ends.
- the operation attribute of the activated application program is determined, and the application program having the temp attribute that has been activated but is not performing any operation is rearranged in the temp designation area. Since the power supply to the temp designation area is stopped after the application program arranged in the temp designation area is stopped, the power consumption in the memory can be reduced.
- the application program when the remaining battery level falls below a specified value in a battery-operated portable terminal device, the application program is terminated and used by the application program.
- the power consumption in the memory can be reduced and the battery usage time can be extended.
- the operation attribute of the application program is determined, and the operation attribute is rearranged in the dedicated memory area for each operation attribute, so that the application program with less disadvantage for the user can be terminated.
- an effect of suppressing the power consumption in the memory can be expected as compared with the conventional method of simply stopping the power supply to the free space.
- the application program when the application program is requested to start while the power saving operation is continued, the application program is a program assigned to the predetermined memory area. Since the application program that was requested to start is not started, it is not necessary to perform processing that involves power consumption, such as relocation to the memory area and control of power supply, so the effect of reducing power consumption can be expected. .
- memory use restriction (power supply is stopped) is triggered when the remaining battery level is equal to or less than a specified value.
- a power saving operation mode is provided,
- the memory use restriction state may be set when the power saving operation mode is on, and the use restriction state may be canceled when the power saving operation mode is off.
- the power saving operation mode may be shifted by a user operation or the like, or may be automatically shifted when a no-operation state or the like continues for a predetermined time or more.
- a power saving operation mode is provided instead of triggering the remaining battery level, and when the power saving operation mode is on, the memory use restriction state is set.
- the use restriction state may be canceled.
- the power saving operation mode may be shifted by a user's operation or the like, or may be automatically shifted when a no-operation state or the like continues for a predetermined time or longer.
- the management table 40 shown in FIG. 5 is used.
- the operation table 40 is further subdivided to give a rank, and the battery remaining amount is set to the specified value (threshold value).
- a mobile phone is taken as an example of an electronic device.
- the present invention is not limited to this, and a game machine, a digital camera, a tablet PC (Personal Computer), a notebook PC, a PDA (Personal). (Data Assistants: portable information terminals), personal computers, communication devices, and other electronic devices.
- FIG. 1 is a configuration diagram of Supplementary Note 1.
- the invention described in Appendix 1 is A storage unit 11 including a predetermined memory area 11-1, A memory management unit 12 that determines an operation state of the application program and arranges the application program in the predetermined memory area 11-1 when the operation state is a predetermined operation state; A control unit 13 for stopping power supply to the predetermined memory area 11-1, It is the electronic device 1 provided with these.
- the memory management unit determines that a state in which the application program is not performing any operation continuously or intermittently is the predetermined operation state. Electronic equipment.
- the memory management unit determines the predetermined operation state when the application program has not executed any operation even after a predetermined time has elapsed since the initial activation. It is an electronic device of description.
- the power source is a battery comprising a primary battery or a secondary battery
- the control unit instructs a shift to a power saving operation when the remaining battery level of the battery is not more than a specified value.
- a use restriction control unit that stops power supply to the predetermined memory area when an instruction to shift to a power saving operation is instructed from the power saving control unit.
- Appendix 5 The electronic device according to appendix 4, wherein the power saving control unit instructs to shift to a power saving operation mode based on a user instruction operation.
- Appendix 6 The electronic device according to appendix 4 or 5, wherein the use restriction control unit stops power supply to the predetermined memory area after ending the application program arranged in the predetermined memory area. is there.
- (Appendix 8) Allocating a predetermined memory area to the storage unit; determining an operation state of the application program; and, if the operation state is a predetermined operation state, arranging the application program in the predetermined memory area; And a step of stopping power supply to the memory area.
- a function of allocating a predetermined memory area to the storage unit and an operation state of an application program are determined in a computer of an electronic device including a storage unit, and when the operation state is a predetermined operation state, the application program is stored in the predetermined memory.
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Abstract
Description
まず、本発明の第1実施形態について説明する。
図1は、本発明の第1実施形態による電子機器1の構成を示すブロック図である。図1において、電子機器1は、電源10、記憶部11、メモリ管理部12、及び制御部13を備えている。電源10は、商用電源から直流電圧に変換する安定化電源でもよいし、充電可能な二次電池(バッテリ)でもよいし、あるいは、一次電池(バッテリ)であってもよい。記憶部11は、不揮発性メモリや、SDカードなどからなり、アプリケーションプログラムが動作するためのワーク領域を提供する。記憶部11には、所定のメモリ領域11-1が設けられている。本第1実施形態では、所定のメモリ領域11-1に対して、後述する制御部13の制御の下、電源10からの電力供給/遮断が制御可能となっている。
次に、本発明の第2実施形態について説明する。
図3は、本第2実施形態による携帯電話機20の構成を示すブロック図である。図3において、携帯電話機20は、無線通信制御部21、音声入出力部22、操作部23、発光報知部24、振動報知部25、表示部26、保存部27、一時記憶部28、及び端末制御部10から構成されている。無線通信制御部21は、携帯電話機20の無線通信制御を司り、端末制御部10にて制御される情報について外部と交換を行う。音声入出力部22は、マイク、スピーカ等の音声入出力装置である。操作部23は、ハードキー、タッチセンサー等の入力装置である。発光通知部25は、ランプ、LED等からなり、点灯にて状態を通知する状態通知装置である。
上記の実施形態の一部又は全部は、以下の付記のようにも記載されうるが、以下には限られない。
(付記1)
図1は、付記1の構成図である。この図に示すように、付記1記載の発明は、
所定のメモリ領域11-1を備える記憶部11と、
アプリケーションプログラムの動作状況を判定し、所定の動作状況であった場合に、前記アプリケーションプログラムを、前記所定のメモリ領域11-1に配置するメモリ管理部12と、
前記所定のメモリ領域11-1への電源供給を停止する制御部13と、
を備えることを特徴とする電子機器1である。
前記メモリ管理部は、前記アプリケーションプログラムが、継続的にも、あるいは断続的にも、何らの動作も実行していない状況を、前記所定の動作状況と判定することを特徴とする付記1に記載の電子機器である。
前記メモリ管理部は、前記アプリケーションプログラムが、初回起動時から所定の時間以上経過しても何らの動作も実行していない場合に、前記所定の動作状況と判定することを特徴とする付記2に記載の電子機器である。
前記電源は、一次電池、もしくは二次電池からなるバッテリであり、前記制御部は、前記バッテリのバッテリ残量が規定値以下である場合に、省電力動作への移行を指示する省電力制御部と、前記省電力制御部から省電力動作への移行が指示されると、前記所定のメモリ領域への電源供給を停止する使用制限制御部とを更に備えることを特徴とする付記1から3のいずれかに記載の電子機器である。
前記省電力制御部は、ユーザ指示操作に基づいて、省電力動作モードへの移行を指示することを特徴とする付記4に記載の電子機器である。
前記使用制限制御部は、前記所定のメモリ領域に配置された前記アプリケーションプログラムを終了した後、前記所定のメモリ領域の電源供給を停止することを特徴とする付記4または5に記載の電子機器である。
前記制御部は、省電力動作継続中に、アプリケーションプログラムの起動要求があった際に、当該アプリケーションプログラムが前記所定のメモリ領域に配置されたプログラムであった場合、前記起動要求があったアプリケーションプログラムを起動しないことを特徴とする付記1から6のいずれかに記載の電子機器である。
記憶部に所定のメモリ領域を割り当てるステップと、アプリケーションプログラムの動作状況を判定し、所定の動作状況であった場合に、前記アプリケーションプログラムを、前記所定のメモリ領域に配置するステップと、前記所定のメモリ領域への電源供給を停止するステップと、を含むことを特徴とする電源供給制御方法である。
記憶部を備える電子機器のコンピュータに、前記記憶部に所定のメモリ領域を割り当てる機能、アプリケーションプログラムの動作状況を判定し、所定の動作状況であった場合に、前記アプリケーションプログラムを、前記所定のメモリ領域に割当てる機能、前記所定のメモリ領域への電源供給を停止する機能、を実行させることを特徴とするプログラムである。
10 電源
11 記憶部
11-1 所定のメモリ領域
12 メモリ管理部
13 制御部
20 携帯電話機
21 無線通信制御部
22 音声入出力部
23 操作部
24 発光報知部
25 振動報知部
26 表示部
27 保存部
28 一時記憶部
29 端末制御部
29-1 省電力制御部
29-2 動作属性管理部
29-3 メモリ管理部
29-4 使用制限制御部
29-5 再配置制御部
40 管理テーブル
Claims (9)
- 所定のメモリ領域を備える記憶部と、
アプリケーションプログラムの動作状況を判定し、所定の動作状況であった場合に、前記アプリケーションプログラムを、前記所定のメモリ領域に配置するメモリ管理部と、
前記所定のメモリ領域への電源供給を停止する制御部と、
を備えることを特徴とする電子機器。 - 前記メモリ管理部は、前記アプリケーションプログラムが、継続的にも、あるいは断続的にも、何らの動作も実行していない状況を、前記所定の動作状況と判定する
ことを特徴とする請求項1に記載の電子機器。 - 前記メモリ管理部は、前記アプリケーションプログラムが、初回起動時から所定の時間以上経過しても何らの動作も実行していない場合に、前記所定の動作状況と判定する
ことを特徴とする請求項2に記載の電子機器。 - 前記電源は、一次電池、もしくは二次電池からなるバッテリであり、
前記制御部は、
前記バッテリのバッテリ残量が規定値以下である場合に、省電力動作への移行を指示する省電力制御部と、
前記省電力制御部から省電力動作への移行が指示されると、前記所定のメモリ領域への電源供給を停止する使用制限制御部と
を更に備えることを特徴とする請求項1から3のいずれかに記載の電子機器。 - 前記省電力制御部は、ユーザ指示操作に基づいて、省電力動作モードへの移行を指示する
ことを特徴とする請求項4に記載の電子機器。 - 前記使用制限制御部は、前記所定のメモリ領域に配置された前記アプリケーションプログラムを終了した後、前記所定のメモリ領域の電源供給を停止する
ことを特徴とする請求項4または5に記載の電子機器。 - 前記制御部は、省電力動作継続中に、アプリケーションプログラムの起動要求があった際に、当該アプリケーションプログラムが前記所定のメモリ領域に配置されたプログラムであった場合、前記起動要求があったアプリケーションプログラムを起動しない
ことを特徴とする請求項1から6のいずれかに記載の電子機器。 - 記憶部に所定のメモリ領域を割り当てるステップと、
アプリケーションプログラムの動作状況を判定し、所定の動作状況であった場合に、前記アプリケーションプログラムを、前記所定のメモリ領域に配置するステップと、
前記所定のメモリ領域への電源供給を停止するステップと、
を含むことを特徴とする電源供給制御方法。 - 記憶部を備える電子機器のコンピュータに、
前記記憶部に所定のメモリ領域を割り当てる機能、
アプリケーションプログラムの動作状況を判定し、所定の動作状況であった場合に、前記アプリケーションプログラムを、前記所定のメモリ領域に割当てる機能、
前記所定のメモリ領域への電源供給を停止する機能、
を実行させることを特徴とするプログラム。
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CN105009023A (zh) | 2015-10-28 |
JPWO2014136405A1 (ja) | 2017-02-09 |
EP2966540A1 (en) | 2016-01-13 |
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