CN101808164A - Method for managing power supply and terminal device - Google Patents
Method for managing power supply and terminal device Download PDFInfo
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- CN101808164A CN101808164A CN200910213730A CN200910213730A CN101808164A CN 101808164 A CN101808164 A CN 101808164A CN 200910213730 A CN200910213730 A CN 200910213730A CN 200910213730 A CN200910213730 A CN 200910213730A CN 101808164 A CN101808164 A CN 101808164A
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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
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Abstract
The embodiment of the invention discloses a method for managing a power supply. The method comprises the following steps: receiving triggering information converting the power supply state from a first power supply state to a second power supply state; comparatively judging the power consumption of the first power supply state and the power consumption of the second power supply state; if the power consumption of the first power supply state is greater than the power consumption of the second power supply state, detecting whether the first power supply state needs to be maintained, wherein if not, the first power supply state is converted into the second power supply state, and if yes, the first power supply state is maintained; and if the power consumption of the first power supply state is less than the power consumption of the second power supply state, converting the first power supply state to the second power supply state. Correspondingly, the embodiment of the invention also discloses a terminal device. By implementing the embodiment of the invention, the conversion of the power supply states can be optimized, the efficiency of managing the power supply is improved, the standby time of the terminal device is increased and the requirement of the subscriber needing longer standby is satisfied.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of method and terminal equipment of power management.
Background technology
Continuous development along with electronic science and technology, electric terminal (as mobile phone etc.) possesses increasing function, its extensibility constantly is improved, as various application programs and recreation etc. can be installed, using these softwares often has separately requirement to the power supply status of system, for example when the playing network video, and browsing page, when playing games or the like, the power supply supply screen that requires the electric terminal system is light yellow always; When playing back music, require the power supply supply sound card module of electric terminal system to work always, and can not require power supply supply screen light yellow always.Yet, can not manage at the application program of system operation power supply in the prior art system, the efficient of power management is not high, poor effect.
Summary of the invention
The embodiment of the invention is to provide a kind of method and terminal equipment of power management, at the power supply status that is provided with power supply is managed, and has improved the efficient of power management, has satisfied the requirement of the longer standby of user.
In order to reach above-mentioned technique effect, the embodiment of the invention has proposed a kind of method of power management, comprising:
Reception is the trigger message of second source state by first power state transition with power supply status;
Relatively judge the size of the power consumption of the power consumption of described first power supply status and described second source state;
If the power consumption of described first power supply status greater than the power consumption of described second source state, then detects whether need to keep described first power supply status, when testing result for not the time, be described second source state then with described first power state transition; When the test results is yes, then keep described first power supply status;
If the power consumption of described first power supply status is described second source state with described first power state transition then less than the power consumption of described second source state.
Preferably, described reception is also to comprise before the step of trigger message of second source state by first power state transition with power supply status:
According to the closing or opening of current consuming apparatus module, at least two kinds of power supply statuss are set.
Preferably, after the step of at least two kinds of power supply statuss of described setting, also comprise:
The threshold value of keeping count value of various power supply status correspondences is set.
Preferably, after the step of the described threshold value of keeping count value that various power supply status correspondences are set, comprise that also application program module passes through calling interface, adjust the described count value of keeping, be specially:
Application program module is kept interface by calling, and increases the count value of keeping of power supply status correspondence that the operation of described application program module needs;
Application program module is by calling realizing interface, reduces the count value of keeping of power supply status correspondence that described application program module operation needs.
Preferably, the described detection step that whether needs to keep described first power supply status comprises:
Whether that detects the described first power supply status correspondence keeps count value greater than described threshold value.
Correspondingly, the embodiment of the invention discloses a kind of terminal equipment, comprise current consuming apparatus module, application program module, and electric power controller, described electric power controller comprises:
The trigger message receiver module, being used to receive with power supply status is the trigger message of second source state by first power state transition;
Judge module relatively is used for relatively judging the size of the power consumption of the power consumption of described first power supply status and described second source state;
Whether keep detection module, be used for described relatively judge module and judge the power consumption of the power consumption of described first power supply status greater than described second source state, then detecting needs to keep described first power supply status;
Module is kept in conversion, be used for when the described testing result of keeping detection module for not the time, be described second source state then with described first power state transition; When the described testing result of keeping detection module when being, then keep described first power supply status;
Modular converter is used for described relatively judge module and judges the power consumption of the power consumption of described first power supply status less than described second source state, is described second source state with described first power state transition then.
Preferably, described electric power controller also comprises:
State setting module is used for according to the closing or opening of the current consuming apparatus module of terminal equipment at least two kinds of power supply statuss being set.
Preferably, described electric power controller also comprises:
Count value is provided with module, is used to be provided with the threshold value of keeping count value of various power supply status correspondences.
Preferably, described electric power controller also comprises:
Keep interface, the application program module that is used for described terminal equipment is called, to increase the count value of keeping of power supply status correspondence that the operation of described application program module needs;
Realizing interface, the application program module that is used for described terminal equipment is called, to reduce the count value of keeping of power supply status correspondence that the operation of described application program module needs.
Preferably, the described detection module of keeping comprises:
The detection threshold unit, be used for described relatively judge module and judge the power consumption of the power consumption of described first power supply status, then detect keeping count value and whether the threshold value that module is provided with being set of the described first power supply status correspondence greater than described count value greater than described second source state.
Preferably, described terminal equipment includes but not limited to mobile phone (being mobile phone), personal digital assistant (PDA, Personal Digital Assistant) or notebook computer etc.
Implement the embodiment of the invention, by closing or opening according to the current consuming apparatus module of terminal equipment, power supply status is set different power supply statuss is set, realized power supply being managed at the power supply status that is provided with, application module is adjusted power supply status by calling interface, realized making the conversion of power supply status to optimize more, solved in the prior art and can not manage the power supply of system and cause the efficient not high problem of power management at the application program of system's operation, improved the efficient of power management, increase the standby time of terminal equipment, satisfied the requirement of the longer standby of user.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of the script processing method of present embodiment;
Fig. 2 be the embodiment of the invention power supply status principle schematic is set;
Fig. 3 is another principle schematic of setting of the power supply status of the embodiment of the invention;
Fig. 4 is the structural representation of the terminal equipment of the embodiment of the invention;
Fig. 5 is the structural representation of the electric power controller of the embodiment of the invention.
Embodiment
In order to make technical problem to be solved by this invention, technical scheme and beneficial effect clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.
See also the schematic flow sheet of the script processing method of the present embodiment shown in Fig. 1, comprising:
Step S101: receiving power supply status is the trigger message of second source state by first power state transition;
Step S102: whether the power consumption of relatively judging described first power supply status is greater than the power consumption of described second source state;
Particularly, can judge the size of the power consumption of each power supply status by the performance number size that compares each power supply status correspondence, when the performance number that compares described first power supply status during greater than the performance number of described second source state, then judge the power consumption of the power consumption of described first power supply status, then execution in step S103 greater than described second source state; When the performance number that compares described first power supply status during, then judge the power consumption of the power consumption of described first power supply status, then execution in step S104 less than described second source state less than the performance number of described second source state.
Whether step S103: detecting needs to keep described first power supply status, when testing result for not the time, be described second source state then with described first power state transition; When the test results is yes, then keep described first power supply status;
Particularly, whether detection has application program (is application program module, abbreviation application below) requires to keep described first power supply status, whether promptly detect described first power supply status also in the operation of supplying some application, when the result who detects for not the time, showing does not currently have application requirements to keep described first power supply status, then execution in step S103; When the result who detects when being, showing currently has application requirements to keep described first power supply status, then execution in step S104.
Step S104: with described first power state transition is described second source state.
Further, also comprise before the step S101:, at least two kinds of power supply statuss are set according to the closing or opening of EM equipment module.Particularly, terminal equipment is provided with or two kinds of power supply statuss of definition at least, each power supply status is provided with according to closing or opening of current consuming apparatus module in the terminal equipment, the power supply status of the embodiment of the invention as shown in Figure 2 principle schematic is set, the A condition that power supply status is set is display screen, sound card, USB (USB, Universal Serial BUS), the power supply state when all the current consuming apparatus modules all are in open mode such as keyboard, be fit to the power supply state of terminal equipment full speed operation state; Another principle schematic of the setting of the power supply status of the embodiment of the invention as shown in Figure 3, the B state that power supply status is set is for except display screen and these two current consuming apparatus modules backlight are closed, power supply state when other EM equipment module all are in open mode, suitable terminal equipment is in the power supply state of screen locking state.The power supply status of closing or open setting according to EM equipment module is not limited to above-mentioned two examples, closing or opening to make up and can be provided with or define the power supply state that is fit to other each application each EM equipment module.
Again further, be provided with after at least two kinds of power supply statuss in the embodiment of the invention, also comprise:, described at least two kinds of power supply statuss are carried out classification according to the performance number of described at least two kinds of power supply statuss.Particularly, according to the performance number of power supply status the power consumption value of power supply status (promptly according to), power supply status is carried out classification, state as the functional module full speed operation is peak power state (the promptly the highest power consumption state), the holding state of terminal equipment is lowest power state (being minimum power consumption state) or the like, the power supply status of other settings carries out classification as intermediateness according to performance number.Terminal equipment can be according to the power supply status of classification so, relatively judge the size of the power consumption of the power consumption of described first power supply status and described second source state, as when as described in first power supply status progression than as described in the progression height of second source state, show the power consumption of the power consumption of described first power supply status greater than described second source state, when the progression of described first power supply status is lower than the progression of described second source state, show the power consumption of the power consumption of described first power supply status less than described second source state.
Need to prove, the trigger message that the application that described conversion electric power state trigger message can be a terminal equipment is closed or opened, when opening the application that need power than the second high state of the first state power supply status power consumption as terminal equipment, the OPEN of terminal equipment is a conversion electric power state trigger message; And for example the user set in advance terminal equipment under nature through 10 seconds, backlight will closing, the terminal equipment under nature will receive conversion electric power state trigger message of closing backlight after 10 seconds so.
Describe in detail below and detect the step that whether needs to keep described first power supply status in the embodiment of the invention, particularly, each power supply status is provided with the corresponding count value of keeping in the foregoing description, the application program module of terminal equipment can be passed through calling interface, adjust the described count value of keeping, further, the application program module of terminal equipment can be kept interface and realizing interface by calling, when certain application program module (as the application module of displaying video) transfers to when opening by closing, can keep the count value of keeping that interface increases power supply status correspondence that the operation of described application program module needs by calling, for example will keep count value and add 1, show this power supply status of this application requirements; When certain application program module transfers to when closing by opening, can for example will keep count value and subtract 1 by calling the count value of keeping that realizing interface reduces power supply status correspondence that described application program module operation needs, show that this application does not require this power supply status.After the step that at least two kinds of power supply statuss are set, the threshold value of keeping count value of various power supply status correspondences can also be set, detect so the step whether need to keep described first power supply status be specially detect the described first power supply status correspondence whether keep count value greater than preset threshold value, for example the threshold value of She Zhiing can be 0, keep count value greater than 0 the time when what detect the described first power supply status correspondence so, showing has application requirements to keep described first power supply status, when detecting the keeping count value and be not more than 0 of the described first power supply status correspondence, showing does not have application requirements to keep described first power supply status.
The above-mentioned method that describes power management of the present invention in detail below accordingly, describes the structure of terminal equipment of the present invention in detail.
Fig. 4 shows the structural representation of the terminal equipment of the embodiment of the invention, terminal equipment 4 comprises electric power controller 41, electric power controller 41 comprises trigger message receiver module 411, relatively judge module 412 is kept detection module 413, module 414 and modular converter 415 are kept in conversion, wherein:
It is the trigger message of second source state by first power state transition that trigger message receiver module 411 is used to receive with power supply status;
Relatively judge module 412 is used for relatively judging the size of the power consumption of the power consumption of described first power supply status and described second source state; Particularly, relatively judge module 412 can be judged the size of the power consumption of each power supply status by the performance number size that compares each power supply status correspondence, when the performance number that compares described first power supply status during, then judge the power consumption of the power consumption of described first power supply status greater than described second source state greater than the performance number of described second source state.
Keep that detection module 413 is used for if the power consumption of described first power supply status greater than the power consumption of described second source state, then detects whether need to keep described first power supply status;
Conversion keep module 414 be used for when the testing result of keeping detection module 413 when denying, be described second source state then with described first power state transition; When the testing result of keeping detection module 413 when being, then keep described first power supply status; Particularly, whether detection has application program (is application program module, abbreviation application below) requires to keep described first power supply status, whether promptly detect described first power supply status also in the operation of supplying some application, when the result who detects for not the time, showing does not currently have application requirements to keep described first power supply status; When the result who detects when being, showing currently has application requirements to keep described first power supply status.
Fig. 5 shows the structural representation of the electric power controller of the embodiment of the invention, electric power controller 41 is except comprising above-mentioned trigger message receiver module 411, compare judge module 412, keep detection module 413, changing and keep module 414 and the modular converter 415, comprise that also state setting module 416 and count value are provided with module 417, wherein
State setting module 416 is used for according to the closing or opening of EM equipment module at least two kinds of power supply statuss being set; Particularly, trigger message receiver module 411 receives before the conversion electric power state trigger message, electric power controller 41 is provided with or two kinds of power supply statuss of definition by state setting module 416 at least, each power supply status is provided with according to closing or opening of the functional module of terminal equipment, the power supply status of the embodiment of the invention as shown in Figure 2 principle schematic is set, the A condition that power supply status is set is display screen, sound card, USB (USB, Universal Serial BUS), power supply state when repertoire modules such as keyboard all are in open mode, the power supply state of suitable terminal equipment 4 full speed operation states; Another principle schematic of the setting of the power supply status of the embodiment of the invention as shown in Figure 3, the B state that power supply status is set is for except display screen and these two functional modules backlight are closed, power supply state when other functional modules all are in open mode is fit to the power supply state that terminal equipment 4 is in the screen locking state.The power supply status of closing or open setting according to functional module is not limited to above-mentioned two examples, closing or opening to make up and can be provided with or define the power supply state that is fit to other each application each functional module.
Count value is provided with the threshold value of keeping count value that module 417 is used to be provided with various power supply status correspondences; Particularly, each power supply status is provided with the corresponding count value of keeping, and count value is provided with the threshold value of keeping count value that module 417 is provided with various power supply status correspondences.
Keep detection module 413 and comprise detection threshold unit 4131, be used for if the power consumption of described first power supply status, then detects keeping count value and whether greater than count value the threshold value that module 417 is provided with being set of the described first power supply status correspondence greater than the power consumption of described second source state.Particularly, for example the threshold value that module 417 is provided with is set is 0 to count value, keep count value greater than 0 the time when what detection threshold unit 4131 detected the described first power supply status correspondence so, showing has application requirements to keep described first power supply status, when detection threshold unit 4131 detected keeping count value and being not more than 0 of the described first power supply status correspondence, showing did not have application requirements to keep described first power supply status.
Further, electric power controller 41 can also comprise diversity module, is used for the performance number according to described at least two kinds of power supply statuss, and described at least two kinds of power supply statuss are carried out classification.Particularly, state setting module 416 is provided with after two kinds of power supply statuss at least, electric power controller 41 by diversity module according to the performance number of power supply status the power consumption value of power supply status (promptly according to), power supply status is carried out classification, state as the functional module full speed operation is peak power state (the promptly the highest power consumption state), the holding state of terminal equipment 4 is lowest power state (being minimum power consumption state) or the like, the power supply status of other settings carries out classification as intermediateness according to performance number.So relatively judge module 412 can be according to the power supply status of classification, relatively judge the size of the power consumption of the power consumption of described first power supply status and described second source state, as when as described in first power supply status progression than as described in the progression height of second source state, show the power consumption of the power consumption of described first power supply status greater than described second source state, when the progression of described first power supply status is lower than the progression of described second source state, show the power consumption of the power consumption of described first power supply status less than described second source state.
Again further, terminal equipment 4 is except comprising above-mentioned electric power controller 41, also comprise a plurality of application program modules, as displaying video application module, network download application module etc., described electric power controller 41 comprises that being used for application program module calls, to adjust the described interface of keeping count value, as, being used to increases the interface of keeping of keeping count value that described application program module is moved the power supply status correspondence of needs, and is used to reduce the realizing interface of keeping count value that described application program module is moved the power supply status correspondence of needs.Particularly, when certain application program module (as the displaying video application module) transfers to when opening by closing, can keep the count value of keeping that interface increases power supply status correspondence that the operation of this application program module needs by calling of this application program module, for example will keep count value and add 1, show this power supply status of this application requirements; When certain application program module transfers to when closing by opening, can be by the count value of keeping that realizing interface reduces power supply status correspondence that the operation of this application program module needs of calling of this application program module, for example will keep count value and subtract 1, show that this application does not require this power supply status.
In sum, by closing or opening according to EM equipment module, power supply status is set and power supply status is carried out classification, realized power supply being managed at the power supply status that is provided with, application module is adjusted power supply status by calling interface, make application module can participate in management to power supply, realized making the conversion of power supply status to optimize more, solved in the prior art and can not manage the power supply of system and cause the efficient not high problem of power management at the application program of system's operation, improved the efficient of power management, increase the standby time of terminal equipment, satisfied the requirement of the longer standby of user.
Need to prove that through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential hardware platform, can certainly all implement by hardware.Based on such understanding, all or part of can the embodying that technical scheme of the present invention contributes to background technology with the form of software product, this computer software product can be stored in the storage medium, as ROM/RAM, magnetic disc, CD etc., comprise that some instructions are with so that a computer equipment (can be a personal computer, server, the perhaps network equipment etc.) carry out the described method of some part of each embodiment of the present invention or embodiment.
Above disclosed only is preferred embodiment in the embodiment of the invention, can not limit the present invention's interest field certainly with this, and therefore the equivalent variations of doing according to claim of the present invention still belongs to the scope that the present invention is contained.
Claims (10)
1. the method for a power management is characterized in that, comprising:
Reception is the trigger message of second source state by first power state transition with power supply status;
Relatively judge the size of the power consumption of the power consumption of described first power supply status and described second source state;
If the power consumption of described first power supply status greater than the power consumption of described second source state, then detects whether need to keep described first power supply status, when testing result for not the time, be described second source state then with described first power state transition; When the test results is yes, then keep described first power supply status;
If the power consumption of described first power supply status is described second source state with described first power state transition then less than the power consumption of described second source state.
2. the method for claim 1 is characterized in that, described reception is that the step of the trigger message of second source state also comprises before by first power state transition with power supply status:
According to the closing or opening of current consuming apparatus module, at least two kinds of power supply statuss are set.
3. method as claimed in claim 2 is characterized in that, after the step of at least two kinds of power supply statuss of described setting, also comprises:
The threshold value of keeping count value of various power supply status correspondences is set.
4. method as claimed in claim 3 is characterized in that, after the step of the described threshold value of keeping count value that various power supply status correspondences are set, comprises that also application program module passes through calling interface, adjusts the described count value of keeping, and is specially:
Application program module is kept interface by calling, and increases the count value of keeping of power supply status correspondence that the operation of described application program module needs;
Application program module is by calling realizing interface, reduces the count value of keeping of power supply status correspondence that described application program module operation needs.
5. as claim 3 or 4 described methods, it is characterized in that the step whether described detection needs to keep described first power supply status comprises:
Whether that detects the described first power supply status correspondence keeps count value greater than described threshold value.
6. a terminal equipment comprises current consuming apparatus module and application program module, it is characterized in that, described terminal equipment also comprises electric power controller, and described electric power controller comprises:
The trigger message receiver module, being used to receive with power supply status is the trigger message of second source state by first power state transition;
Judge module relatively is used for relatively judging the size of the power consumption of the power consumption of described first power supply status and described second source state;
Whether keep detection module, be used for described relatively judge module and judge the power consumption of the power consumption of described first power supply status greater than described second source state, then detecting needs to keep described first power supply status;
Module is kept in conversion, be used for when the described testing result of keeping detection module for not the time, be described second source state then with described first power state transition; When the described testing result of keeping detection module when being, then keep described first power supply status;
Modular converter is used for described relatively judge module and judges the power consumption of the power consumption of described first power supply status less than described second source state, is described second source state with described first power state transition then.
7. terminal equipment as claimed in claim 6 is characterized in that, described electric power controller also comprises:
State setting module is used for according to the closing or opening of the current consuming apparatus module of terminal equipment at least two kinds of power supply statuss being set.
8. terminal equipment as claimed in claim 7 is characterized in that, described electric power controller also comprises:
Count value is provided with module, is used to be provided with the threshold value of keeping count value of various power supply status correspondences.
9. terminal equipment as claimed in claim 8 is characterized in that, described electric power controller also comprises:
Keep interface, the application program module that is used for described terminal equipment is called, to increase the count value of keeping of power supply status correspondence that the operation of described application program module needs;
Realizing interface, the application program module that is used for described terminal equipment is called, to reduce the count value of keeping of power supply status correspondence that the operation of described application program module needs.
10. terminal equipment as claimed in claim 8 or 9 is characterized in that the described detection module of keeping comprises:
The detection threshold unit, be used for described relatively judge module and judge the power consumption of the power consumption of described first power supply status, then detect keeping count value and whether the threshold value that module is provided with being set of the described first power supply status correspondence greater than described count value greater than described second source state.
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| CN2009102137309A CN101808164B (en) | 2009-12-11 | 2009-12-11 | Method for managing power supply and terminal device |
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| CN2009102137309A CN101808164B (en) | 2009-12-11 | 2009-12-11 | Method for managing power supply and terminal device |
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| CN101808164B CN101808164B (en) | 2013-11-13 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103327159A (en) * | 2012-03-19 | 2013-09-25 | 联想(北京)有限公司 | Low-battery prompting method and electronic equipment |
| CN104679637A (en) * | 2013-12-02 | 2015-06-03 | 贝壳网际（北京）安全技术有限公司 | Method and system for confirming power consumption of applications of mobile terminal under standby status |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7764981B2 (en) * | 2004-07-30 | 2010-07-27 | Nokia Corporation | System and method for managing a wireless connection to reduce power consumption of a mobile terminal |
| CN101378138A (en) * | 2008-09-28 | 2009-03-04 | 深圳华为通信技术有限公司 | Method for improving battery use efficiency and equipment using battery to supply power |
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2009
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103327159A (en) * | 2012-03-19 | 2013-09-25 | 联想(北京)有限公司 | Low-battery prompting method and electronic equipment |
| CN103327159B (en) * | 2012-03-19 | 2016-07-06 | 联想(北京)有限公司 | A kind of low electricity reminding method and electronic equipment |
| CN104679637A (en) * | 2013-12-02 | 2015-06-03 | 贝壳网际（北京）安全技术有限公司 | Method and system for confirming power consumption of applications of mobile terminal under standby status |
| CN104679637B (en) * | 2013-12-02 | 2018-05-15 | 北京猎豹移动科技有限公司 | The method and system of power consumption are applied under a kind of definite mobile terminal in standby state |
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| CN101808164B (en) | 2013-11-13 |
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