CN104955139A - Intelligent power-saving method and system for mobile terminal - Google Patents
Intelligent power-saving method and system for mobile terminal Download PDFInfo
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- CN104955139A CN104955139A CN201510360606.0A CN201510360606A CN104955139A CN 104955139 A CN104955139 A CN 104955139A CN 201510360606 A CN201510360606 A CN 201510360606A CN 104955139 A CN104955139 A CN 104955139A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] 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
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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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- Computer Networks & Wireless Communication (AREA)
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Abstract
The invention discloses an intelligent power-saving method and system for a mobile terminal. The method comprises steps as follows: A, a work mode of a radio frequency module in the mobile terminal is detected when the mobile terminal performs wireless big data transmission, and whether the transmission power of the mobile terminal is larger than a first threshold value is judged according to the work mode of the radio frequency module; B, a screen brightness value of the mobile terminal is detected and whether the screen brightness value is larger than a second threshold value is judged when the transmission power of the radio frequency module is larger than the first threshold value; C, whether a human eye watches the mobile terminal is detected through a camera when the screen brightness value is larger than the second threshold value, and the screen brightness of the mobile terminal is adjusted to be smaller than the second threshold value and a power-saving mode is started when the human eye does not watch the mobile screen during detection. The screen brightness can be reduced correspondingly when the mobile terminal is used for high-speed uploading or downloading, the intelligent power saving mode is realized, the energy consumption and heat of the mobile terminal are reduced, and the service life of the mobile terminal is prolonged.
Description
Technical field
The present invention relates to communication apparatus energy-saving field, particularly relate to a kind of intelligent power saving method and system of mobile terminal.
Background technology
Along with the development of the communication technology, the mobile terminals such as mobile phone have become the requisite equipment of people.And LTE(Long Term Evolution, Long Term Evolution, is commonly called as 4G) technology become the technical requirement of new cell-phone indispensability, mobile terminal can be made to obtain higher speed when transfer of data by LTE technology, but because technical reason, the power consumption of LTE is higher than 2G/3G technology such as WCDMA, under same transmitting power, exceed nearly about 100mA, when this just causes mobile phone to carry at high speeds, heating is very serious, and power consumption is large, and battery life is restricted.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, the object of the present invention is to provide a kind of intelligent power saving method and system of mobile terminal, be intended to solve mobile phone in prior art, when download particularly operates under 4G working form, easily cause generating heat seriously, power consumption is large, the restricted problem of battery life.
Technical scheme of the present invention is as follows:
An intelligent power saving method for mobile terminal, wherein, comprises the following steps:
A, when mobile terminal carries out wireless large transfer of data, detect the working form of radio-frequency module in mobile terminal, and judge that whether its transmitting power is higher than first threshold according to the working form of radio-frequency module;
B, when the transmitting power of radio-frequency module is higher than first threshold, detects the size of screen intensity in mobile terminal, and judge that whether screen intensity is higher than Second Threshold;
C, when screen intensity is higher than Second Threshold, by camera detect human eye whether watch mobile terminal, when detecting that human eye does not watch mobile terminal, the screen intensity of mobile terminal being adjusted to lower than Second Threshold, entering battery saving mode.
The intelligent power saving method of described mobile terminal, wherein, comprises before described steps A:
S1, working forms different according to radio-frequency module in advance set the first threshold of transmitting power.
The intelligent power saving method of described mobile terminal, wherein, also comprises before described steps A:
S2, in advance according to the different brightness sizes setting Second Thresholds of screen in mobile terminal.
The intelligent power saving method of described mobile terminal, wherein, described steps A specifically comprises:
A1, detecting mobile terminal by CPU and whether carrying out wireless large transfer of data, when being, then detecting the working form of radio-frequency module in mobile terminal;
A2, when the working form of radio-frequency module is 3G standard, whether detect its transmitting power more than 20-21dBm; When the working form of radio-frequency module is 4G standard, whether detect its transmitting power more than 17-18dBm.
The intelligent power saving method of described mobile terminal, wherein, described step B specifically comprises:
B1, when the transmitting power of radio-frequency module is higher than first threshold, detect the size of LCD brightness in the screen of mobile terminal;
B2 also judges that in screen, whether LCD brightness is higher than 280-320nits.
An intelligent power saving system for mobile terminal, wherein, described system comprises:
Radio frequency condition judgment module, for when mobile terminal carries out wireless large transfer of data, detect the working form of radio-frequency module in mobile terminal, and judge that whether its transmitting power is higher than first threshold according to the working form of radio-frequency module;
Screen intensity judge module, for when the transmitting power of radio-frequency module is higher than first threshold, detects the size of screen intensity in mobile terminal, and judge that whether screen intensity is higher than Second Threshold;
Screen intensity adjustment module, for when screen intensity is higher than Second Threshold, detect human eye by camera and whether watch mobile terminal, when detecting that human eye does not watch mobile terminal, the screen intensity of mobile terminal being adjusted to lower than Second Threshold, entering battery saving mode.
The intelligent power saving system of described mobile terminal, wherein, described system also comprises:
Preset first threshold value module, in advance according to radio-frequency module different working form setting transmitting power first threshold.
The intelligent power saving system of described mobile terminal, wherein, described system also comprises:
Preset Second Threshold module, for the different brightness size setting Second Thresholds in advance according to screen in mobile terminal.
The intelligent power saving system of described mobile terminal, wherein, described radio frequency condition judgment module specifically comprises:
Working form recognition unit, whether carrying out wireless large transfer of data for detecting mobile terminal by CPU, when being, then detecting the working form of radio-frequency module in mobile terminal;
Transmitting power recognition unit, for when the working form of radio-frequency module is 3G standard, whether detect its transmitting power more than 20-21dBm; Transmitting power recognition unit, for when the working form of radio-frequency module is 4G standard, whether detect its transmitting power more than 17-18dBm.
The intelligent power saving system of described mobile terminal, wherein, described screen intensity judge module specifically comprises:
LCD brightness recognition unit, for when the transmitting power of radio-frequency module is higher than first threshold, detect the size of LCD brightness in the screen of mobile terminal;
LCD brightness judging unit, for and judge that in screen, whether LCD brightness is higher than 280-320nits.
Beneficial effect: the intelligent power saving method and system of a kind of mobile terminal of the present invention, it detects whether carry out large data input and data output in real time by CPU inner in mobile terminal, when being, then judge the working form in now mobile terminal further, and the different first thresholds of transmitting power are set according to different working forms, when transmitting power exceedes first threshold, detect screen intensity in mobile terminal again and whether exceed Second Threshold, when be Shi Zezai further by camera identification human eye state whether just at evaluation equipment, if do not detect, human eye is watched, then illustrate that now screen is without the need to excessively bright, can the brightness of corresponding reduction screen, reach intelligent power saving, reduce energy consumption and the heating of mobile terminal, extend the useful life of mobile terminal.
Accompanying drawing explanation
Fig. 1 is the flow chart of the intelligent power saving method of mobile terminal of the present invention.
Fig. 2 is the particular flow sheet of the intelligent power saving method step S100 of mobile terminal of the present invention.
Fig. 3 is the particular flow sheet of the intelligent power saving method 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 concrete 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 concrete unit figure of screen intensity judge module in the intelligent power saving system of mobile terminal of the present invention.
Embodiment
The invention provides a kind of intelligent power saving method and system of mobile terminal, for making object of the present invention, technical scheme and effect clearly, clearly, the present invention is described in more detail below.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figure 1, the invention provides a kind of intelligent power saving method of mobile terminal, it specifically comprises the following steps:
S100, when mobile terminal carries out wireless large transfer of data, detect the working form of radio-frequency module in mobile terminal, and judge that whether its transmitting power is higher than first threshold according to the working form of radio-frequency module;
S200, when the transmitting power of radio-frequency module is higher than first threshold, detects the size of screen intensity in mobile terminal, and judge that whether screen intensity is higher than Second Threshold;
S300, when screen intensity is higher than Second Threshold, by camera detect human eye whether watch mobile terminal, when detecting that human eye does not watch mobile terminal, the screen intensity of mobile terminal being adjusted to lower than Second Threshold, entering battery saving mode.
The present invention its detect whether carry out large data input and data output in real time by CPU inner in mobile terminal, when being, then judge the working form in now mobile terminal further, and the different first thresholds of transmitting power are set according to different working forms, when transmitting power exceedes first threshold, detect screen intensity in mobile terminal again and whether exceed Second Threshold, when be Shi Zezai further by camera identification human eye state whether just at evaluation equipment, if do not detect, human eye is watched, then illustrate that now screen is without the need to excessively bright, can the brightness of corresponding reduction screen, reach intelligent power saving, reduce energy consumption and the heating of mobile terminal, extend the useful life of mobile terminal.
In order to reduce the impact that power consumption is too high and generate heat, the present invention proposes a kind of intelligent power saving method and system of mobile terminal, when mobile phone carry out large data upload download under LTE pattern, particularly carry out large transfer of data time, described system can detect transmitting power and the screen intensity of mobile terminal intelligently, when exceeding the threshold value of setting, open camera and detect human eye activity, thus whether intelligent decision carries out battery saving mode.It should be noted that, the wireless large transfer of data described in the present invention refers to carries out by 3G or 4G the large transfer of data that takes up room, and as carried out the transmission of the files such as film video, transmission comprises and sends and receive two kinds of modes.And mentioned radio-frequency module, screen, the first-class hardware of shooting all arrange in the terminal, and controlled by the CPU in mobile terminal, wherein, CPU is the core devices of mobile terminal, for collecting various data.Described mobile terminal is also provided with one for carrying out the Anneta module of large data transmitting and receiving, and described mobile terminal is preferably mobile phone.
In the step s 100, first ensure mobile terminal-opening and be in normal operating state, then detecting mobile terminal and whether carrying out wireless large transfer of data, namely whether carrying out files passe at a high speed or download, if do not carry out wireless large transfer of data, then without the need to carrying out intelligent power saving operation; And when detecting that mobile terminal carries out wireless large transfer of data, CPU in mobile terminal can detect radio-frequency module operating state now, judge that current is carry out work under the working form of 4G or 3G etc., wherein 4G is LTE pattern, and 3G is then UMTS pattern or EVDO pattern.Because power consumption can be not identical under identical transmitting power for different working forms, the power consumption as LTE standard can than higher (approximately the exceeding 70mA ~ 120mA) of the 3G standards such as UMTS under identical transmitting power; In addition, for identical working form, due to different transmitting powers, its energy consumption produced also can not be identical, and transmitting power is larger, and energy consumption is higher, therefore, intelligence is reduced to the power consumption of mobile terminal, need first to judge current working form type and the transmitting power scope of this working form.And the size of transmitting power is also inversely proportional to the good job of the Received signal strength of mobile terminal, transmitting power is less, signal is better, otherwise signal is poorer, selects so need to consider the multiple bright first thresholds to transmitting power such as energy consumption, signal good job, working form type.
In other words, as shown in Figure 2, step S100 of the present invention specifically comprises the following steps:
S101, detecting mobile terminal by CPU and whether carrying out wireless large transfer of data, when being, then detecting the working form of radio-frequency module in mobile terminal; S102, when the working form of radio-frequency module is 3G standard, whether detect its transmitting power more than 20-21dBm; When the working form of radio-frequency module is 4G standard, whether detect its transmitting power more than 17-18dBm.
In preferred embodiment, can carry out step S1 before step S100, namely different according to radio-frequency module in advance working forms sets the first threshold of transmitting power.Described first threshold is first standard judging whether to want adjusting screen brightness, when the transmitting power now of radio-frequency module in mobile terminal does not exceed first threshold, without the need to operating, and when it exceedes first threshold, then judge that the brightness of screen is the need of adjusting further.Different working forms can set different first thresholds, and certainly, different working forms also can be set as identical first threshold, can make adjustment according to actual conditions.Below for LTE(4G) standard and UMTS(3G) standard, the two transmitting power and energy consumption (i.e. power consumption condition) are contrasted:
| Transmitting 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 |
From the above, when under LTE standard, transmitting power is at 18dBm, its energy consumption just reaches 365mA, and under UMTS standard, transmitting power energy consumption when 21dBm just reaches 340mA.Illustrate according to this experimental data, can by the transmission power setting of the transmission power setting under LTE standard under about 18dBm, UMTS standard about 21dBm (can adjust as the case may be).When transmitting power exceedes this first threshold (under as LTE standard under 17-18dBm, UMTS standard at 20-21dBm), the power consumption of mobile terminal can be risen rapidly, now can enter into step S200, detects the size of screen intensity in mobile terminal further.
In step s 200 screen intensity is detected, and judge whether it exceedes Second Threshold.Here Second Threshold scope just can preset before step S100, such as step S2, namely in advance according to the different brightness size setting Second Thresholds of screen in mobile terminal.Screen in mobile terminal generally adopts made by LCD, is namely described for LCD in the present invention, and it can also be other material composition certainly, does not repeat them here.Screen intensity and LCD brightness, its unit nits represents, for mobile phone, the general 10nits of minimum brightness of its screen, the highest may higher than 700nits, and brightness is higher, power consumption is naturally also larger, the scope of Second Threshold described in the present invention can be set as 280-320nits, and this value is higher than the brightness of normal indoor light, and certain Second Threshold also can set as the case may be.When LCD brightness is more than 280-320nits, the power consumption of LCD is very high.
In other words, as shown in Figure 3, step S200 of the present invention specifically comprises:
S201, when the transmitting power of radio-frequency module is higher than first threshold, detect the size of LCD brightness in the screen of mobile terminal;
S202 also judges that in screen, whether LCD brightness is higher than 280-320nits.
Enter subsequently in step S300, when detecting that screen intensity is higher than Second Threshold, namely when now the screen intensity of mobile terminal is higher, open the camera in mobile terminal, as front-facing camera, identify whether human eye watches mobile terminal screen, generally can for opening about 0.3-0.5s, this time enough for detecting human eye state, and can not be caused power consumption for a long time because of opening or damage camera.If now detect that human eye is watching the screen of mobile terminal, then can not carry out battery saving mode, and when detecting that human eye does not watch mobile terminal, if the brightness of screen is also excessively bright, then causing certain energy consumption, therefore can reducing the brightness of screen to being less than Second Threshold.Such as when Second Threshold is 300nits, now the brightness of screen can be turned down to 250nits or 280nits.Generally speaking, when screen intensity is 200nits, just can normal browsing under normal light, but the brightness change from 200nits to 300nits, it is even more that its power consumption but can increase by 80 ~ 100mA, can be different according to its power consumption of concrete screen size.Therefore the present invention regulates by tackling screen intensity mutually when user's un-watched screen, can reduce the energy consumption of mobile terminal significantly, reduces power consumption.
Such as, from 350nits to 200nits, the power consumption of reduction is just close to 100mA, if the brightness unlatching of lcd screen is higher, then the power consumption reduced is more obvious, and even can reach the degree of 200-300mA, power saving effect is obvious.And why open front-facing camera detect human eye whether watching mobile terminal, because if now mobile terminal is used, directly reduce the brightness of LCD, then can user be made to watch screen more difficult, or cause glasses uncomfortable because the change of front and back brightness is excessive, and after determining human eye not detected, reduce brightness again, now user can't be had influence on, certainly this step also can be selected according to actual conditions, and mobile terminal also can directly carry out adjusting according to screen intensity size and without the need to detecting human eye.
In addition, refer to Fig. 4, the present invention also provides a kind of intelligent power saving system of mobile terminal, and particularly, described system comprises:
Radio frequency condition judgment module 100, for when mobile terminal carries out wireless large transfer of data, detect the working form of radio-frequency module in mobile terminal, and judge that whether its transmitting power is higher than first threshold according to the working form of radio-frequency module;
Screen intensity judge module 200, for when the transmitting power of radio-frequency module is higher than first threshold, detects the size of screen intensity in mobile terminal, and judge that whether screen intensity is higher than Second Threshold;
Screen intensity adjustment module 300, for when screen intensity is higher than Second Threshold, detect human eye by camera and whether watch mobile terminal, when detecting that human eye does not watch mobile terminal, the screen intensity of mobile terminal being adjusted to lower than Second Threshold, entering battery saving mode.
Preferably, described system also comprises:
Preset first threshold value module, in advance according to radio-frequency module different working form setting transmitting power first threshold.
In a preferred embodiment, described system also comprises:
Preset Second Threshold module, for the different brightness size setting Second Thresholds in advance according to screen in mobile terminal.
Further, as shown in Figure 5, described radio frequency condition judgment module specifically comprises:
Working form recognition unit 101, whether carrying out wireless large transfer of data for detecting mobile terminal by CPU, when being, then detecting the working form of radio-frequency module in mobile terminal;
Transmitting power recognition unit 102, for when the working form of radio-frequency module is 3G standard, whether detect its transmitting power more than 20-21dBm; When the working form of radio-frequency module is 4G standard, whether detect its transmitting power more than 17-18dBm.
Further, as shown in Figure 6, described screen intensity judge module specifically comprises:
LCD brightness recognition unit 201, for when the transmitting power of radio-frequency module is higher than first threshold, detect the size of LCD brightness in the screen of mobile terminal;
LCD brightness judging unit 202, for and judge that in screen, whether LCD brightness is higher than 280-320nits.
The performing step of the concrete module of the electricity-saving system of mobile terminal described in the present invention refers to the implementation procedure of said method, does not repeat them here.
In sum, the intelligent power saving method and system of a kind of mobile terminal of the present invention, it detects whether carry out large data input and data output in real time by CPU inner in mobile terminal, when being, then judge the working form in now mobile terminal further, and the different first thresholds of transmitting power are set according to different working forms, when transmitting power exceedes first threshold, detect screen intensity in mobile terminal again and whether exceed Second Threshold, when be Shi Zezai further by camera identification human eye state whether just at evaluation equipment, if do not detect, human eye is watched, then illustrate that now screen is without the need to excessively bright, can the brightness of corresponding reduction screen, reach intelligent power saving, reduce energy consumption and the heating of mobile terminal, extend the effect in mobile terminal useful life.
Should be understood that, application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection range that all should belong to claims of the present invention.
Claims (10)
1. an intelligent power saving method for mobile terminal, is characterized in that, comprise the following steps:
A, when mobile terminal carries out wireless large transfer of data, detect the working form of radio-frequency module in mobile terminal, and judge that whether its transmitting power is higher than first threshold according to the working form of radio-frequency module;
B, when the transmitting power of radio-frequency module is higher than first threshold, detects the size of screen intensity in mobile terminal, and judge that whether screen intensity is higher than Second Threshold;
C, when screen intensity is higher than Second Threshold, by camera detect human eye whether watch mobile terminal, when detecting that human eye does not watch mobile terminal, the screen intensity of mobile terminal being adjusted to lower than Second Threshold, entering battery saving mode.
2. the intelligent power saving method of mobile terminal according to claim 1, is characterized in that, comprise before described steps A:
S1, working forms different according to radio-frequency module in advance set the first threshold of transmitting power.
3. the intelligent power saving method of mobile terminal according to claim 1, is characterized in that, also comprise before described steps A:
S2, in advance according to the different brightness sizes setting Second Thresholds of screen in mobile terminal.
4. the intelligent power saving method of mobile terminal according to claim 1, it is characterized in that, described steps A specifically comprises:
A1, detecting mobile terminal by CPU and whether carrying out wireless large transfer of data, when being, then detecting the working form of radio-frequency module in mobile terminal;
A2, when the working form of radio-frequency module is 3G standard, whether detect its transmitting power more than 20-21dBm; When the working form of radio-frequency module is 4G standard, whether detect its transmitting power more than 17-18dBm.
5. the intelligent power saving method of mobile terminal according to claim 1, it is characterized in that, described step B specifically comprises:
B1, when the transmitting power of radio-frequency module is higher than first threshold, detect the size of LCD brightness in the screen of mobile terminal;
B2 also judges that in screen, whether LCD brightness is higher than 280-320nits.
6. an intelligent power saving system for mobile terminal, is characterized in that, described system comprises:
Radio frequency condition judgment module, for when mobile terminal carries out wireless large transfer of data, detect the working form of radio-frequency module in mobile terminal, and judge that whether its transmitting power is higher than first threshold according to the working form of radio-frequency module;
Screen intensity judge module, for when the transmitting power of radio-frequency module is higher than first threshold, detects the size of screen intensity in mobile terminal, and judge that whether screen intensity is higher than Second Threshold;
Screen intensity adjustment module, for when screen intensity is higher than Second Threshold, detect human eye by camera and whether watch mobile terminal, when detecting that human eye does not watch mobile terminal, the screen intensity of mobile terminal being adjusted to lower than Second Threshold, entering battery saving mode.
7. the intelligent power saving system of mobile terminal according to claim 6, it is characterized in that, described system also comprises:
Preset first threshold value module, in advance according to radio-frequency module different working form setting transmitting power first threshold.
8. the intelligent power saving system of mobile terminal according to claim 6, it is characterized in that, described system also comprises:
Preset Second Threshold module, for the different brightness size setting Second Thresholds in advance according to screen in mobile terminal.
9. the intelligent power saving system of mobile terminal according to claim 6, it is characterized in that, described radio frequency condition judgment module specifically comprises:
Working form recognition unit, whether carrying out wireless large transfer of data for detecting mobile terminal by CPU, when being, then detecting the working form of radio-frequency module in mobile terminal;
Transmitting power recognition unit, for when the working form of radio-frequency module is 3G standard, whether detect its transmitting power more than 20-21dBm; When the working form of radio-frequency module is 4G standard, whether detect its transmitting power more than 17-18dBm.
10. the intelligent power saving system of mobile terminal according to claim 6, it is characterized in that, described screen intensity judge module specifically comprises:
LCD brightness recognition unit, for when the transmitting power of radio-frequency module is higher than first threshold, detect the size of LCD brightness in the screen of mobile terminal;
LCD brightness judging unit, for and judge that in screen, whether LCD brightness is higher than 280-320nits.
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| 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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