CN104955139B - A kind of intelligent power saving method and system of mobile terminal - Google Patents
A kind of intelligent power saving method and system of mobile terminal Download PDFInfo
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- CN104955139B CN104955139B CN201510360606.0A CN201510360606A CN104955139B CN 104955139 B CN104955139 B CN 104955139B CN 201510360606 A CN201510360606 A CN 201510360606A CN 104955139 B CN104955139 B CN 104955139B
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/725—Cordless telephones
- H04M1/73—Battery saving arrangements
-
- 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
Abstract
The invention discloses a kind of intelligent power saving method and system of mobile terminal, its method the following steps are included: A, when mobile terminal carry out wireless big data transmission when, the working form of radio-frequency module in mobile terminal is detected, and judges whether its transmission power is higher than first threshold according to the working form of radio-frequency module；B, when the transmission power of radio-frequency module is higher than first threshold, the size of screen intensity in mobile terminal is detected, and judges whether screen intensity is higher than second threshold；C, when screen intensity is higher than second threshold, whether mobile terminal is watched by camera detection human eye, when detecting that human eye does not watch mobile terminal, the screen intensity of mobile terminal is adjusted to tract below second threshold, into battery saving mode.The brightness for accordingly reducing its screen when high-speed uploading downloading can be carried out in mobile terminal through the invention, reach intelligent power saving, reduce the energy consumption and fever of mobile terminal, extend the effect of mobile terminal service life.
Description
Technical field
The present invention relates to communication apparatus energy-saving field more particularly to a kind of intelligent power saving method and system of mobile terminal.
Background technique
With the development of communication technology, the mobile terminals such as mobile phone have become the essential equipment of people.And LTE
(Long Term Evolution, long term evolution are commonly called as 4G) technology has become the technical requirements of new cell-phone indispensability, passes through LTE
Technology can make mobile terminal obtain higher rate in data transmission, but because of technical reason, the power consumption ratio of LTE
The 2G/3G technology such as WCDMA is higher, under same transmission power, to be higher by nearly 100mA or so, this results in mobile phone at high speeds
In the case where load, generate heat very serious, and power consumption is big, battery life is restricted.
Therefore, the existing technology needs to be improved and developed.
Summary of the invention
In view of above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide a kind of intelligent power saving methods of mobile terminal
And system, it is intended to solve mobile phone in the prior art and be easy to cause hair when downloading is especially operated under 4G working form
Heat is serious, power consumption is big, the restricted problem of battery life.
Technical scheme is as follows:
A kind of intelligent power saving method of mobile terminal, wherein the following steps are included:
A, when mobile terminal carries out the transmission of wireless big data, the working form of radio-frequency module in mobile terminal is detected, and
Judge whether its transmission power is higher than first threshold according to the working form of radio-frequency module；
B, when the transmission power of radio-frequency module is higher than first threshold, the size of screen intensity in mobile terminal is detected, and
Judge whether screen intensity is higher than second threshold；
C, when screen intensity is higher than second threshold, whether mobile terminal is watched by camera detection human eye, works as detection
When not watching mobile terminal to human eye, the screen intensity of mobile terminal is adjusted to tract below second threshold, into battery saving mode.
The intelligent power saving method of the mobile terminal, wherein include: before the step A
S1, the first threshold that transmission power is set previously according to the different working form of radio-frequency module.
The intelligent power saving method of the mobile terminal, wherein before the step A further include:
S2, previously according in mobile terminal screen different brightness sizes set second threshold.
The intelligent power saving method of the mobile terminal, wherein the step A is specifically included:
A1, it detects whether mobile terminal is carrying out wireless big data transmission by CPU, when being, then detects mobile whole
The working form of radio-frequency module in end；
A2, when the working form of radio-frequency module be 3G standard when, whether detect its transmission power more than 20-21dBm；When penetrating
When the working form of frequency module is 4G standard, whether its transmission power is detected more than 17-18dBm.
The intelligent power saving method of the mobile terminal, wherein the step B is specifically included:
B1, when the transmission power of radio-frequency module is higher than first threshold, detect the big of LCD brightness in the screen of mobile terminal
It is small；
B2 simultaneously judges whether LCD brightness is higher than 280-320nits in screen.
A kind of intelligent power saving system of mobile terminal, wherein the system comprises:
Radio frequency condition judgment module is used to detect and penetrate in mobile terminal when mobile terminal carries out the transmission of wireless big data
The working form of frequency module, and judge whether its transmission power is higher than first threshold according to the working form of radio-frequency module；
Screen intensity judgment module, for when the transmission power of radio-frequency module be higher than first threshold when, detect mobile terminal
The size of middle screen intensity, and judge whether screen intensity is higher than second threshold；
Screen intensity adjustment module, for when screen intensity be higher than second threshold when, by camera detection human eye whether
The screen intensity of mobile terminal is adjusted to tract below the second threshold when detecting that human eye does not watch mobile terminal by viewing mobile terminal
Value, into battery saving mode.
The intelligent power saving system of the mobile terminal, wherein the system also includes:
Preset first threshold value module, for previously according to radio-frequency module it is different working form setting transmission power first
Threshold value.
The intelligent power saving system of the mobile terminal, wherein the system also includes:
Default second threshold module sets the second threshold for the different brightness sizes previously according to screen in mobile terminal
Value.
The intelligent power saving system of the mobile terminal, wherein the radio frequency condition judgment module specifically includes:
Working form recognition unit, for by CPU detect mobile terminal whether carrying out wireless big data transmission, when
When being, then the working form of radio-frequency module in mobile terminal is detected；
Transmission power recognition unit, for when the working form of radio-frequency module be 3G standard when, detecting its transmission power is
It is no more than 20-21dBm；Transmission power recognition unit, for when the working form of radio-frequency module be 4G standard when, detect its transmitting
Whether power is more than 17-18dBm.
The intelligent power saving system of the mobile terminal, wherein the screen intensity judgment module specifically includes:
LCD brightness recognition unit, for when the transmission power of radio-frequency module be higher than first threshold when, detect mobile terminal
The size of LCD brightness in screen；
LCD brightness judging unit is used for and judges whether LCD brightness is higher than 280-320nits in screen.
The utility model has the advantages that a kind of intelligent power saving method and system of mobile terminal of the present invention, by internal in mobile terminal
CPU real-time detection whether carrying out big data and sending and receiving, when being, then further judgement at this time in mobile terminal
Working form, and according to the different first thresholds of different working form setting transmission powers, it is more than the first threshold in transmission power
It when value, then detects whether screen intensity in mobile terminal is more than second threshold, is then further identified by camera when being
Whether human eye state is watching equipment, is watching if human eye is not detected, and illustrates that screen was not necessarily to bright at this time, can be corresponding
The brightness for reducing screen, reaches intelligent power saving, reduces the energy consumption and fever of mobile terminal, extend the service life of mobile terminal.
Detailed description of the invention
Fig. 1 is the flow chart of the intelligent power saving method of mobile terminal of the present invention.
Fig. 2 is the specific flow chart of the intelligent power saving method and step S100 of mobile terminal of the present invention.
Fig. 3 is the specific flow chart of the intelligent power saving method and step S200 of mobile terminal of the present invention.
Fig. 4 is the module frame chart of the intelligent power saving system of mobile terminal of the present invention.
Fig. 5 is the specific unit figure of radio frequency condition judgment module in the intelligent power saving system of mobile terminal of the present invention.
Fig. 6 is the specific unit figure of screen intensity judgment module in the intelligent power saving system of mobile terminal of the present invention.
Specific embodiment
The present invention provides a kind of intelligent power saving method and system of mobile terminal, to make the purpose of the present invention, technical solution
And effect is clearer, clear, the present invention is described in more detail below.It should be appreciated that specific implementation described herein
Example is only used to explain the present invention, is not intended to limit the present invention.
As shown in Figure 1, the present invention provides a kind of intelligent power saving method of mobile terminal, specifically includes the following steps:
S100, when mobile terminal carry out wireless big data transmission when, detect mobile terminal in radio-frequency module working form,
And judge whether its transmission power is higher than first threshold according to the working form of radio-frequency module；
S200, when the transmission power of radio-frequency module be higher than first threshold when, detect mobile terminal in screen intensity size,
And judge whether screen intensity is higher than second threshold；
S300, when screen intensity be higher than second threshold when, whether mobile terminal is watched by camera detection human eye, works as inspection
When measuring human eye and not watching mobile terminal, the screen intensity of mobile terminal is adjusted to tract below second threshold, into battery saving mode.
It sends and receives the present invention by the way that whether CPU real-time detection internal in mobile terminal is carrying out big data,
When being, then the working form in mobile terminal at this time is further judged, and transmission power is set according to different working forms
Different first thresholds, when transmission power is more than first threshold, then whether detect in mobile terminal screen intensity more than second
Threshold value then further identifies whether human eye state is watching equipment by camera when being, if human eye is not detected just
It is watching, is then illustrating that screen was not necessarily to bright at this time, can accordingly reduce the brightness of screen, reaching intelligent power saving, reducing mobile terminal
Energy consumption and fever, extend the service life of mobile terminal.
In order to reduce the influence that power consumption is excessively high and generates heat, the invention proposes a kind of intelligent power saving methods of mobile terminal
And system, when mobile phone carry out big data upload downloading especially under LTE mode carry out big data transmission when, the system
System can intelligently detect the transmission power and screen intensity of mobile terminal, when the threshold value for being more than setting, open camera inspection
Human eye activity is surveyed, so that whether intelligent decision carries out battery saving mode.It should be noted that heretofore described wireless big data
Transmission, which refers to, carries out the big data transmission of occupied space by 3G or 4G, such as carries out the transmission of film video file, transmission packet
It includes and sends and receives two ways.And the hardware such as mentioned radio-frequency module, screen, camera are respectively provided in the terminal,
And controlled by the CPU in mobile terminal, wherein CPU is the core devices of mobile terminal, for collecting various data.It is described
Mobile terminal is additionally provided with one for carrying out big data transmitting and received Anneta module, and the mobile terminal is preferably hand
Machine.
In the step s 100, first guarantee mobile terminal-opening and be in normal working condition, then detect mobile terminal
Whether wireless big data transmission is being carried out, i.e., the file for whether carrying out high speed uploads or downloading, if do not carried out wireless
Big data transmission, then without carrying out intelligent power saving operation；And when detecting that mobile terminal carries out the transmission of wireless big data, it is mobile
CPU in terminal can detect the working condition of radio-frequency module at this time, and judgement, which is currently under the working form of 4G or 3G etc., to be carried out
Work, wherein 4G is LTE mode, and 3G is then UMTS mode or EVDO mode.Because different working forms are identical
Power consumption can be not identical under transmission power, such as the power consumption of LTE standard can be higher than UMTS 3G standard under identical transmission power
Some (being about higher by 70mA ~ 120mA)；In addition, due to different transmission powers, being generated for identical working form
Energy consumption also can not be identical, and transmission power is bigger, and energy consumption is higher, therefore, the power consumption of mobile terminal is reduced for intelligence, needs first to sentence
The transmission power range of the working form type and the working form of breaking current.And the size of transmission power is also and mobile terminal
The good job of reception signal be inversely proportional, transmission power is smaller, and signal is better, otherwise signal is poorer, so needing to comprehensively consider energy
The multiple bright first threshold to transmission power such as consumption, signal good job, working form type selects.
In other words, as shown in Fig. 2, step S100 of the present invention specifically includes the following steps:
S101, movement is then detected when being by the way that whether CPU detection mobile terminal is carrying out wireless big data transmission
The working form of radio-frequency module in terminal；S102, when the working form of radio-frequency module be 3G standard when, detecting its transmission power is
It is no more than 20-21dBm；When the working form of radio-frequency module is 4G standard, whether its transmission power is detected more than 17-18dBm.
In preferred embodiment, step S1, i.e., work different previously according to radio-frequency module will do it before step S100
The first threshold of standard setting transmission power.The first threshold is first standard for determining whether to adjust screen intensity,
When the transmission power of radio-frequency module at this time is less than first threshold in mobile terminal, without being operated, and when it is more than the
When one threshold value, then further judge whether the brightness of screen needs to be adjusted.Different working forms can set different
One threshold value, certainly, different working forms also may be set to identical first threshold, can make adjustment according to the actual situation.
Below by LTE(4G) standard and UMTS(3G) for standard, transmission power and energy consumption (i.e. power consumption condition) to the two carry out pair
Than:
| Transmission power (dBm) | LTE(mA) | UMTS(mA) |
| 3 | 190 | 122 |
| 6 | 204 | 135 |
| 9 | 215 | 146 |
| 12 | 232 | 155 |
| 15 | 269 | 181 |
| 18 | 365 | 227 |
| 21 | 457 | 340 |
| 23 | 609 | 435 |
It can be seen from the above, when for transmission power in 18dBm, energy consumption has just reached 365mA, and UMTS system under LTE standard
Under formula, transmission power energy consumption in 21dBm just reaches 340mA.It is illustrated according to this experimental data, it can will be under LTE standard
Transmission power setting of the transmission power setting at 18dBm or so, UMTS standard (can be as the case may be in 21dBm or so
Adjustment).When transmission power is more than this first threshold (in 20- at 17-18dBm, UMTS standard under such as LTE standard
21dBm), the power consumption of mobile terminal can rapidly rise, and can enter in step S200 at this time, further detect and shield in mobile terminal
The size of curtain brightness.
Screen intensity is detected in step s 200, and judges whether it is more than second threshold.Here the second threshold
Value range can just be preset before step S100, such as step S2, i.e., previously according to screen in mobile terminal
Different brightness sizes set second threshold.Screen in mobile terminal generally uses made by LCD, is with LCD in the present invention
Example is illustrated, it can also be other material compositions certainly, and details are not described herein.Screen intensity, that is, LCD brightness, unit
Nits is indicated, is taken the mobile phone as an example, the minimum brightness of screen general 10nits, highest possible to be higher than 700nits, and brightness is got over
Height, power consumption is naturally also bigger, and the range of heretofore described second threshold can be set as 280-320nits, this value is
Through being higher than the brightness of normal indoor light, certain second threshold can also be set as the case may be.When LCD brightness is more than 280-
When 320nits, the power consumption of LCD is very high.
In other words, as shown in figure 3, step S200 of the present invention is specifically included:
S201, when the transmission power of radio-frequency module be higher than first threshold when, detect LCD brightness in the screen of mobile terminal
Size；
S202 simultaneously judges whether LCD brightness is higher than 280-320nits in screen.
It subsequently enters in step S300, when detecting that screen intensity is higher than second threshold, the i.e. screen of mobile terminal at this time
When brightness is higher, the camera in mobile terminal, such as front camera are opened, whether identification human eye is watching mobile terminal screen
Curtain, generally can be to open about 0.3-0.5s, this time is sufficiently used for detection human eye state, and will not be because of unlatching too long
Cause power consumption or damage camera.It, can be without saving at this time if detecting that human eye is watching the screen of mobile terminal
Power mode, and when detecting that human eye does not watch mobile terminal, if the brightness of screen is also excessively bright, it will cause certain energy consumption,
Therefore brightness to less than the second threshold of screen can be reduced.It, at this time can be by screen such as when second threshold is 300nits
Brightness turn down to 250nits or 280nits.In general, when screen intensity is 200nits, it can be just under normal light
Often browsing, but the brightness change from 200nits to 300nits, it is even more that power consumption but will increase 80 ~ 100mA, according to tool
Its power consumption of the screen size of body will be different.Therefore the present invention is by mutually coping with screen in the case where user's un-watched screen
Brightness is adjusted, and can significantly reduce the energy consumption of mobile terminal, reduces power consumption.
For example, from 350nits to 200nits, reduced power consumption just close to 100mA, if what the brightness of LCD screen was opened
Higher, then the power consumption reduced is more obvious, it might even be possible to reach the degree of 200-300mA, power saving effect is obvious.And why open
Whether front camera detection human eye is watching mobile terminal, is because if mobile terminal is currently being used at this time, directly
The brightness for reducing LCD, then it is relatively difficult to will use family viewing screen, or because caused by the variation of front and back brightness is excessive glasses it is uncomfortable,
And determine to be not detected after human eye reduces brightness again, does not interfere with user at this time, this certain step can also be according to reality
Situation is selected, and mobile terminal can also be directly adjusted according to screen intensity size without detecting to human eye.
In addition, referring to Fig. 4, the present invention also provides a kind of intelligent power saving systems of mobile terminal, specifically, the system
Include:
Radio frequency condition judgment module 100 is used to detect in mobile terminal when mobile terminal carries out the transmission of wireless big data
The working form of radio-frequency module, and judge whether its transmission power is higher than first threshold according to the working form of radio-frequency module；
Screen intensity judgment module 200, for when the transmission power of radio-frequency module is higher than first threshold, detect it is mobile eventually
The size of screen intensity in end, and judge whether screen intensity is higher than second threshold；
Screen intensity adjustment module 300, for when screen intensity be higher than second threshold when, be by camera detection human eye
The screen intensity of mobile terminal is adjusted to tract below second when detecting that human eye does not watch mobile terminal by no viewing mobile terminal
Threshold value, into battery saving mode.
Preferably, the system also includes:
Preset first threshold value module, for previously according to radio-frequency module it is different working form setting transmission power first
Threshold value.
In a preferred embodiment, the system also includes:
Default second threshold module sets the second threshold for the different brightness sizes previously according to screen in mobile terminal
Value.
Further, as shown in figure 5, the radio frequency condition judgment module specifically includes:
Working form recognition unit 101, for by CPU detect mobile terminal whether carrying out wireless big data biography
It is defeated, when being, then detect the working form of radio-frequency module in mobile terminal；
Transmission power recognition unit 102, for when the working form of radio-frequency module be 3G standard when, detect its transmission power
Whether more than 20-21dBm；When the working form of radio-frequency module is 4G standard, whether its transmission power is detected more than 17-
18dBm。
Further, as shown in fig. 6, the screen intensity judgment module specifically includes:
LCD brightness recognition unit 201, for when the transmission power of radio-frequency module is higher than first threshold, detect it is mobile eventually
The size of LCD brightness in the screen at end；
LCD brightness judging unit 202 is used for and judges whether LCD brightness is higher than 280-320nits in screen.
The realization step of the specific module of the electricity-saving system of heretofore described mobile terminal refers to the reality of the above method
Existing process, details are not described herein.
In conclusion a kind of intelligent power saving method and system of mobile terminal of the present invention, by internal in mobile terminal
CPU real-time detection whether carrying out big data and sending and receiving, when being, then further judgement at this time in mobile terminal
Working form, and according to the different first thresholds of different working form setting transmission powers, it is more than the first threshold in transmission power
It when value, then detects whether screen intensity in mobile terminal is more than second threshold, is then further identified by camera when being
Whether human eye state is watching equipment, is watching if human eye is not detected, and illustrates that screen was not necessarily to bright at this time, can be corresponding
The brightness for reducing screen, reaches intelligent power saving, reduces the energy consumption and fever of mobile terminal, extends the effect of mobile terminal service life
Fruit.
It should be understood that the application of the present invention is not limited to the above for those of ordinary skills can
With improvement or transformation based on the above description, all these modifications and variations all should belong to the guarantor of appended claims of the present invention
Protect range.
Claims (8)
1. a kind of intelligent power saving method of mobile terminal, which comprises the following steps:
A, when mobile terminal carries out the transmission of wireless big data, the working form of radio-frequency module in detection mobile terminal, and according to
The working form of radio-frequency module judges whether its transmission power is higher than first threshold；
B, when the transmission power of radio-frequency module is higher than first threshold, the size of screen intensity in mobile terminal is detected, and is judged
Whether screen intensity is higher than second threshold；
C, when screen intensity is higher than second threshold, whether mobile terminal is watched by camera detection human eye, when detecting people
When eye does not watch mobile terminal, the screen intensity of mobile terminal is adjusted to tract below second threshold, into battery saving mode；
Include: before the step A
S1, the first threshold that transmission power is set previously according to the different working form of radio-frequency module.
2. the intelligent power saving method of mobile terminal according to claim 1, which is characterized in that before the step A further include:
S2, previously according in mobile terminal screen different brightness sizes set second threshold.
3. the intelligent power saving method of mobile terminal according to claim 1, which is characterized in that the step A is specifically included:
A1, it is then detected in mobile terminal by the way that whether CPU detection mobile terminal is carrying out wireless big data transmission when being
The working form of radio-frequency module；
A2, when the working form of radio-frequency module be 3G standard when, whether detect its transmission power more than 20-21dBm；When radio frequency mould
When the working form of block is 4G standard, whether its transmission power is detected more than 17-18dBm.
4. the intelligent power saving method of mobile terminal according to claim 1, which is characterized in that the step B is specifically included:
B1, when the transmission power of radio-frequency module be higher than first threshold when, detect the size of LCD brightness in the screen of mobile terminal；
B2 simultaneously judges whether LCD brightness is higher than 280-320nits in screen.
5. a kind of intelligent power saving system of mobile terminal, which is characterized in that the system comprises:
Preset first threshold value module, the first threshold for setting transmission power previously according to the different working form of radio-frequency module
Value；
Radio frequency condition judgment module is used to detect radio frequency mould in mobile terminal when mobile terminal carries out the transmission of wireless big data
The working form of block, and judge whether its transmission power is higher than first threshold according to the working form of radio-frequency module；Screen intensity
Judgment module, for when the transmission power of radio-frequency module be higher than first threshold when, detect mobile terminal in screen intensity size,
And judge whether screen intensity is higher than second threshold；Screen intensity adjustment module is used for when screen intensity is higher than second threshold,
Whether mobile terminal is watched by camera detection human eye, when detecting that human eye does not watch mobile terminal, by mobile terminal
Screen intensity is adjusted to tract below second threshold, into battery saving mode.
6. the intelligent power saving system of mobile terminal according to claim 5, which is characterized in that the system also includes:
Default second threshold module sets second threshold for the different brightness sizes previously according to screen in mobile terminal.
7. the intelligent power saving system of mobile terminal according to claim 5, which is characterized in that the radio frequency condition judgment module
It specifically includes:
Working form recognition unit, for detecting whether mobile terminal is carrying out wireless big data transmission by CPU, when being
When, then detect the working form of radio-frequency module in mobile terminal；
Transmission power recognition unit, for when the working form of radio-frequency module be 3G standard when, detect whether its transmission power surpasses
Cross 20-21dBm；When the working form of radio-frequency module is 4G standard, whether its transmission power is detected more than 17-18dBm.
8. the intelligent power saving system of mobile terminal according to claim 5, which is characterized in that the screen intensity judgment module
It specifically includes:
LCD brightness recognition unit, for when the transmission power of radio-frequency module be higher than first threshold when, detect the screen of mobile terminal
The size of middle LCD brightness；
LCD brightness judging unit is used for and judges whether LCD brightness is higher than 280-320nits in screen.
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| CN107463240A (en) * | 2016-06-03 | 2017-12-12 | 北京展讯高科通信技术有限公司 | Open method, device and the mobile terminal of battery saving mode |
| CN107787035B (en) * | 2017-10-31 | 2021-01-08 | 维沃移动通信有限公司 | Mobile communication equipment heating processing method and mobile communication equipment |
| CN110675838B (en) * | 2019-09-27 | 2022-03-25 | Tcl移动通信科技（宁波）有限公司 | Brightness adjusting method and device, computer readable storage medium and terminal |
| CN113520305B (en) * | 2020-04-17 | 2022-11-25 | 华为技术有限公司 | Method and device for determining working mode of photoelectric sensor |
| US11625086B2 (en) * | 2021-06-29 | 2023-04-11 | Hewlett-Packard Development Company, L.P. | Power reduction modes for wireless devices to reduce absorption risk to users |
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| CN103532585A (en) * | 2012-07-05 | 2014-01-22 | 中兴通讯股份有限公司 | Automatic gain control method and automatic gain control device |
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