CN101197865A - Illumination method for mobile communication terminal and mobile communication terminal thereof - Google Patents
Illumination method for mobile communication terminal and mobile communication terminal thereof Download PDFInfo
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- CN101197865A CN101197865A CNA2006101648591A CN200610164859A CN101197865A CN 101197865 A CN101197865 A CN 101197865A CN A2006101648591 A CNA2006101648591 A CN A2006101648591A CN 200610164859 A CN200610164859 A CN 200610164859A CN 101197865 A CN101197865 A CN 101197865A
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Abstract
The invention provides a means of illumination of a mobile communication terminal and the mobile communication terminal. The means of illumination comprises that the mobile communication terminal detects the environment light intensity through a photosensitive sensor; the mobile communication terminal controls the working status of an illuminating device of the mobile communication terminal through the environment light intensity detected. The invention controls the brightness of the screen and the keyboard of the mobile communication terminal via the photosensitive sensor so that the mobile communication terminal can automatically adjust the brightness of the screen and the keyboard backlight according to the light intensity of the application environment so as to reduce the current consumption of the mobile communication terminal, which greatly improves the time of standby and conversation under a stable battery capacity.
Description
Technical field
The present invention is about moving communicating field, especially in regard to a kind of means of illumination and mobile communication terminal thereof of mobile communication terminal.
Background technology
Mobile phone is that present people exchange, and links up the important tool of contact.In using the mobile phone process, people often expect that longer stand-by time and air time are arranged.The radiofrequency signal of in the mobile phone battery consumption being fixed in communication process, screen and keyboard light also are the major parts of battery consumption.If can control the consumption of this part, just can reach increases standby and the purpose of air time.Yet, in actual use, though the user under the high light environment, keyboard light and screen backlight lamp are all opened, still current sinking.For fear of the consumption of this part electric current, many mobile phone being provided with are turned off the option of keyboard light and screen backlight, if but take when needing to open keyboard light under the indoor or darker environment and must reset, very inconvenient.
Light sensor is a kind of power conversion device, it utilizes light-sensitive element that light energy is transformed into the corresponding signal of telecommunication, promptly incidence electromagnetic radiation energy (or claiming luminous energy) is changed into electric energy, by accurate measurement to electric energy, recognize the character of this incident radiation energy, therefrom the entrained information of probe radiation (or light) energy.Light sensor mainly is the passive light sensing device that utilizes various photoelectric effect to make, as utilize the photodiode and the photomultiplier of external photoelectric effect, utilize the photoconductive tube of internal photoelectric effect, and utilize photodiode, phototriode, photocell of photovoltaic electric potential effect etc.Fig. 1 a and Fig. 1 b are respectively and are photodiode in the prior art and basic circuit thereof, and Fig. 1 c and Fig. 1 d are respectively phototriode and basic circuit thereof in the prior art.
It is very extensive that light sensor is used, and one of them important purposes is to carry out industry by the intensity of surveying extraneous light to detect automatically or carry out Long-distance Control.At application number is that " 11/298,467 ", publication number are to disclose a kind of method and system that utilizes light sensor to carry out wireless monitor in " US 2006/0187195 A1 ".As shown in Figure 2, this system comprises a remote control and a display unit.This remote control comprises light sensor, special key and wireless transport module, and this display unit comprises display screen, microprocessor, wireless receiving module and memory.When pressing special key, light sensor is surveyed the brightness of remote control position, and produces an ambient brightness value.Then, wireless launcher sends this ambient brightness value by Radio Link to wireless receiving module, and microprocessor is adjusted the brightness of display screen according to this ambient brightness value.
Therefore, based on the characteristic of light sensor to light sensitive, and mobile phone is to the demand of economize on electricity, and the brightness of adjusting mobile phone screen and keyboard light according to the ambient brightness difference if both can be combined can effectively overcome the defective of prior art.
Summary of the invention
In order to address the deficiencies of the prior art, the invention provides a kind of means of illumination and mobile communication terminal thereof of mobile communication terminal.Mobile communication terminal is by light sensor acquisition environment light intensity, and according to the operating state of the ambient light strength control mobile communication terminal lighting device of being surveyed.
In order to realize the object of the invention, technical scheme of the present invention is:
A kind of means of illumination of mobile communication terminal, described method comprises: mobile communication terminal is by light sensor acquisition environment light intensity; Mobile communication terminal is according to the operating state of the ambient light strength control mobile communication terminal lighting device of being surveyed.
Described detection is a detecting periodically.
Described mobile communication terminal specifically may further comprise the steps according to the operating state of the described lighting device of being surveyed of ambient light strength control: ambient light intensity and the default light intensity scope of mobile communication terminal surveyed are compared; Adjust the operating state of described lighting device according to result relatively.
The operating state of described lighting device comprises opening and closed condition.
Described light intensity scope is a plurality of subintervals scopes.
The opening of described lighting device comprises a plurality of brightness degree states, and described brightness degree state is corresponding to described subinterval scope.
Adjust the operating state of described lighting device according to the result who is compared, specifically comprise following situation: if the light intensity of being surveyed is more than or equal to the maximum of described light intensity scope, then described lighting device cuts out; If the light intensity of being surveyed is smaller or equal to the minimum value of described light intensity scope, then described lighting device is opened; If the light intensity of being surveyed is positioned within the described light intensity scope, then described lighting device is opening or closed condition or keeps original operating state.
Adjust the operating state of described lighting device according to the result of described comparison, specifically comprise following situation: if the light intensity of being surveyed is more than or equal to the maximum of described light intensity scope, then described lighting device cuts out; If the light intensity of being surveyed is smaller or equal to the maximum of described light intensity scope, then judge the described subinterval scope at the light intensity place of being surveyed, according to the corresponding relation of brightness degree state and subinterval scope, decision is when the brightness degree of front lighting device.
Described lighting device comprises screen illumination device and key lighting device.
A kind of mobile communication terminal, comprise central processing unit and lighting device, described central processing unit links to each other with lighting device, described mobile communication terminal also comprises light sensor, illumination control apparatus, described light sensor links to each other with described central processing unit respectively with illumination control apparatus, described light sensor is used for the acquisition environment light intensity; Described illumination control apparatus is used for the operating state according to the described lighting device of being surveyed of ambient light strength control.
Described mobile communication terminal also comprises timer, and described timer links to each other with described light sensor, is used for periodically triggering light sensor ambient light intensity is surveyed.
Described illumination control apparatus comprises memory cell, comparing unit and control unit, and described memory cell is used to store the default light intensity scope of mobile communication terminal; Described comparing unit is used for ambient light intensity and the default light intensity scope of mobile communication terminal surveyed are compared; Described control unit is used for adjusting according to the result of described comparison the operating state of described lighting device.
The operating state of described lighting device comprises opening and closed condition.
Described light intensity scope is a plurality of subintervals scopes.
The opening of described lighting device comprises a plurality of brightness degree states, and described brightness degree state is corresponding to described subinterval scope.
Described lighting device comprises screen illumination device and key lighting device.
Described control unit comprises screen illumination control unit and key illumination control unit.
The present invention controls the screen of mobile communication terminal and the brightness of illumination of keyboard by using light sensor, make the mobile communication terminal can be according to the light power of environment for use, automatically regulate the brightness of its screen and keyboard light, reach the current drain that reduces mobile communication terminal, under the situation that battery capacity is fixed, improve standby and air time greatly.
Description of drawings
Fig. 1 a is a photodiode schematic diagram in the prior art;
Fig. 1 b is a photodiode basic circuit diagram in the prior art;
Fig. 1 c is a phototriode schematic diagram in the prior art;
Fig. 1 d is a phototriode basic circuit diagram in the prior art;
Fig. 2 carries out the example structure figure of remote monitoring for the available technology adopting light sensor;
Fig. 3 is the embodiment of the invention 1 a mobile phone terminal circuit diagram;
Fig. 4 is the functional block diagram of the embodiment of the invention 1;
Fig. 5 is the refinement block diagram of control unit and lighting device in Fig. 4 block diagram;
Fig. 6 is the flow chart of the embodiment of the invention 1;
Fig. 7 a is brightness degree and default light intensity scope corresponding relation figure;
Fig. 7 b is the residing scope corresponding relation of the light intensity of lighting device operating state and detection figure;
Fig. 8 is the flow chart of the embodiment of the invention 2;
Fig. 9 is the functional block diagram of the embodiment of the invention 3;
Figure 10 is the flow chart of the embodiment of the invention 3.
Embodiment
Because mobile phone terminal is very general; the present invention only is that example describes with the mobile phone terminal; but the present invention is not limited to mobile phone terminal; other mobile communication terminal such as PDA; notebook computer or other mobile communication terminal, so long as based on thought of the present invention all within protection scope of the present invention.The present invention is described in detail below in conjunction with accompanying drawing.
Embodiment 1:
Fig. 3 is the circuit diagram of present embodiment mobile phone terminal.As shown in the figure, the conventional mobile phone terminal mainly comprises: central processing unit, radio frequency unit and baseband circuit, wherein radio frequency unit, baseband circuit link to each other with central processing unit.In addition, the conventional mobile phone terminal also comprises SIM card, storage device (as FALSH and RAM), SMS module, lighting device and the LCD display that links to each other with central processing unit, and lighting device is further divided into screen illumination device (as screen backlight lamp or LCD display lighting device) and key lighting device again.The mobile phone terminal of present embodiment has increased illumination control apparatus and light sensor newly on the basis of conventional mobile phone terminal, both link to each other with central processing unit respectively.In actual applications, this illumination control apparatus also can be the part of central processing unit.
Fig. 4 is the functional block diagram of present embodiment.Wherein, light sensor is used for the acquisition environment light intensity.In actual applications, light sensor mainly is the passive light sensing device that utilizes various photoelectric effect to make, as photodiode and photomultiplier, photoconductive tube, photodiode, phototriode and photocell etc.
As shown in the figure, illumination control apparatus further comprises comparing unit, memory cell and control unit, and wherein comparing unit links to each other with memory cell and control unit respectively.Memory cell is used to store the default light intensity scope of mobile communication terminal, and this scope is by a light intensity maximum P
MaxWith a light intensity minimum value P
MinDecision.Comparing unit is used for the magnitude relationship of comparison light sensor light intensity P that is surveyed and the light intensity scope of being stored, and also promptly compares P and P
MinAnd P
MaxRelation.Control unit is used for according to result relatively, the operating state of control lighting device.As shown in Figure 5, control unit further comprises screen illumination control unit and key illumination control unit, and they are controlled screen illumination device and key lighting device respectively.
The flow process of this embodiment sees Fig. 6 for details, and the method for this flow process is based on following principle:
As the light intensity P 〉=P that is surveyed
MaxThe time, lighting device cuts out;
As the light intensity P≤P that is surveyed
MinThe time, lighting device is opened;
As the light intensity P that is surveyed
Min＜P＜P
MaxThe time, lighting device keeps original operating state.
Certainly, Fig. 6 has just showed a kind of situation of present embodiment, in actual applications, and when the light intensity P that is surveyed is positioned at P
MinAnd P
MaxBetween the time, can stipulate its operating state for opening or closing, the flow process of Fig. 6 is also done corresponding modify, herein accompanying drawing no longer in addition.
According to above flow process as can be known, the comparative result when comparing unit is P 〉=P
Max, control unit will be opened screen illumination device and key lighting device; When the comparative result of comparing unit is P≤P
Min, control unit will be closed screen illumination device and key lighting device; When the comparative result of comparing unit is P
Min＜P＜P
MaxThe time, control unit control screen lighting device and key lighting device keep original operating state.
Embodiment 2:
Present embodiment is continued to use Fig. 3, Fig. 4 and the Fig. 5 among the embodiment 1, and different is: that the memory cell among Fig. 4 in the illumination control apparatus is stored is not the maximum P that presets
MaxWith minimum value P
Min, but the scope of a plurality of light intensities is supposed these light intensity scopes being arranged as from low to high: P
Min～P
1, P
1～P
2, P
2～P
3..., P
n～P
Max, and the lighting device of the mobile phone terminal of present embodiment can present different brightness degree B under opening
0, B
1, B
2..., B
n, wherein: from B
0To B
nFor brightness reduces successively.A plurality of light intensity scopes of being stored are corresponding with different brightness degrees respectively, its corresponding relation is shown in the form among Fig. 7 a in the present embodiment, by this form as can be known: along with the light intensity scope from low-intensity to high-intensity continuous rising, corresponding brightness degree is by the continuous reduction of high brightness to low-light level.
Fig. 7 b is the light intensity surveyed in the present embodiment and the working state schematic representation of lighting device.As shown in the figure, as the light intensity P≤P that is surveyed
MaxThe time, according to institute's residing preset range of probing light intensity brightness degree that correspondence is different; And work as P
MaxDuring＜P, lighting device will cut out.
Fig. 8 is the detail flowchart of present embodiment, as shown in the figure:
At first, mobile phone passes through light sensor acquisition environment light intensity P, and the P value is passed to the comparing unit of illumination control apparatus;
Then, comparing unit judges that whether P is greater than P
MaxIf, P
Max＜P, then the control unit of illumination control apparatus control screen lighting device and key lighting device are closed, and this flow process finishes.Then, light sensor is proceeded the detection of ambient light intensity, and the flow process of a new round begins.
If P＜P
Max, then comparing unit further contrasts the form shown in Fig. 7 a that is stored in P value and the memory, judges the residing light intensity scope of P value, and finds corresponding brightness degree.Shown in Fig. 7 b, suppose that the residing scope of P is P
1≤ P＜P
2, then corresponding to brightness degree B
1
At last, the control unit of illumination control apparatus is according to the brightness degree B that finds
1Adjust the operating state of lighting device, be about to lighting device and adjust to brightness degree B
1, this flow process finishes.Then, light sensor is proceeded the detection of ambient light intensity, and the flow process of a new round begins.
Embodiment 3:
Among embodiment 1 and the embodiment 2, light sensor must be always at the acquisition environment light intensity, and therefore, illumination control apparatus also needs to handle always and control.Yet in actual conditions, the light intensity of environment can not change always, and in order to save the expense of processing, present embodiment is considered to increase a timer newly on the basis of the mobile phone terminal structure of embodiment 1 and embodiment 2.When timer arrives the time of setting, will trigger light sensor and survey, and adjust the operating state of lighting device by illumination control apparatus.
The mobile phone terminal circuit diagram of present embodiment is continued to use Fig. 3, and in the mobile phone terminal of reality, this timer can be arranged in light sensor, illumination control apparatus or central processing unit, or is an independent community.Present embodiment no longer increases circuit diagram and marks this timer.
Fig. 9 is the functional block diagram of present embodiment, and as shown in the figure, the difference of present embodiment and the functional block diagram of embodiment 1 has been to increase newly a timer that links to each other with light sensor.When arriving the scheduled time, timer will trigger the detection that light sensor carries out ambient light, and start the operating state that illumination control apparatus is controlled screen lighting device and key lighting device.So just can reduce the burden of handset processes, be a kind of more efficient execution mode.
Present embodiment can adopt the method for embodiment 1 or the method for embodiment 2 to carry out.At this, only the method with embodiment 2 is that example is elaborated.Figure 10 is the detailed process of present embodiment.
At first, judge whether timer arrives the scheduled time, have only to have arrived the scheduled time and just trigger light sensor and survey;
Then, mobile phone passes through light sensor acquisition environment light intensity P, and the P value is passed to the comparing unit of illumination control apparatus;
Comparing unit judges that whether P is greater than P
MaxIf, P
Max＜P, then the control unit of illumination control apparatus control screen lighting device and key lighting device are closed, and this time flow process finishes, and turns back to the determining step that begins most, waits for that timer arrives the scheduled time and starts next time to adjust flow process next time.
If P＜P
Max, then comparing unit further contrasts the form shown in Fig. 7 a that is stored in P value and the memory, judges the residing light intensity scope of P value, and finds corresponding brightness degree.Shown in Fig. 7 b, suppose that the residing scope of P is P
1≤ P＜P
2, then corresponding to brightness degree B
1
At last, the control unit of illumination control apparatus is according to the brightness degree B that finds
1Adjust the operating state of lighting device, be about to lighting device and adjust to brightness degree B
1, this time flow process finishes, and turns back to the determining step that begins most, waits for that timer arrives the scheduled time and starts next time to adjust flow process next time.
Technical scheme of the present invention is used light sensor on mobile communication terminal, make the mobile communication terminal can be according to the light power of environment for use, automatically regulate the brightness of its screen and keyboard light, reach the current drain that reduces mobile communication terminal, under the situation that battery capacity is fixed, improve standby and air time greatly.
Though the present invention is open with the foregoing description, technical scheme of the present invention is not to be defined in this, and any equivalence based on inventive concept changes the protection range that all belongs to claim of the present invention.
Claims (17)
1. the means of illumination of a mobile communication terminal is characterized in that, described method comprises:
Mobile communication terminal is by light sensor acquisition environment light intensity;
Mobile communication terminal is according to the operating state of the ambient light strength control mobile communication terminal lighting device of being surveyed.
2. method according to claim 1 is characterized in that, described detection is a detecting periodically.
3. method according to claim 1 is characterized in that, described mobile communication terminal specifically may further comprise the steps according to the operating state of the described lighting device of being surveyed of ambient light strength control:
Ambient light intensity and the default light intensity scope of mobile communication terminal surveyed are compared;
Adjust the operating state of described lighting device according to result relatively.
4. method according to claim 3 is characterized in that the operating state of described lighting device comprises opening and closed condition.
5. method according to claim 4 is characterized in that, described light intensity scope is a plurality of subintervals scopes.
6. method according to claim 5 is characterized in that, the opening of described lighting device comprises a plurality of brightness degree states, and described brightness degree state is corresponding to described subinterval scope.
7. method according to claim 4 is characterized in that, the operating state according to result relatively adjusts described lighting device specifically comprises following situation:
If the light intensity of being surveyed is more than or equal to the maximum of described light intensity scope, then described lighting device cuts out;
If the light intensity of being surveyed is smaller or equal to the minimum value of described light intensity scope, then described lighting device is opened;
If the light intensity of being surveyed is positioned within the described light intensity scope, then described lighting device is opening or closed condition or keeps original operating state.
8. method according to claim 6 is characterized in that, the operating state according to the result of described comparison adjusts described lighting device specifically comprises following situation:
If the light intensity of being surveyed is more than or equal to the maximum of described light intensity scope, then described lighting device cuts out;
If the light intensity of being surveyed is smaller or equal to the maximum of described light intensity scope, then judge the described subinterval scope at the light intensity place of being surveyed, according to the corresponding relation of brightness degree state and subinterval scope, decision is when the brightness degree of front lighting device.
9. according to any described method among the claim 1-8, it is characterized in that described lighting device comprises screen illumination device and key lighting device.
10. mobile communication terminal, comprise central processing unit and lighting device, described central processing unit links to each other with lighting device, it is characterized in that, described mobile communication terminal also comprises light sensor, illumination control apparatus, described light sensor links to each other with described central processing unit respectively with illumination control apparatus
Described light sensor is used for the acquisition environment light intensity;
Described illumination control apparatus is used for the operating state according to the described lighting device of being surveyed of ambient light strength control.
11. mobile communication terminal according to claim 10 is characterized in that, described mobile communication terminal also comprises timer, and described timer links to each other with described light sensor, is used for periodically triggering light sensor ambient light intensity is surveyed.
12. mobile communication terminal according to claim 10 is characterized in that, described illumination control apparatus comprises memory cell, comparing unit and control unit,
Described memory cell is used to store the default light intensity scope of mobile communication terminal;
Described comparing unit is used for ambient light intensity and the default light intensity scope of mobile communication terminal surveyed are compared;
Described control unit is used for adjusting according to the result of described comparison the operating state of described lighting device.
13. mobile communication terminal according to claim 12 is characterized in that, the operating state of described lighting device comprises opening and closed condition.
14. mobile communication terminal according to claim 13 is characterized in that, described light intensity scope is a plurality of subintervals scopes.
15. mobile communication terminal according to claim 14 is characterized in that, the opening of described lighting device comprises a plurality of brightness degree states, and described brightness degree state is corresponding to described subinterval scope.
16. mobile communication terminal according to claim 10 is characterized in that, described lighting device comprises screen illumination device and key lighting device.
17. mobile communication system according to claim 12 is characterized in that, described control unit comprises screen illumination control unit and key illumination control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101648591A CN101197865A (en) | 2006-12-07 | 2006-12-07 | Illumination method for mobile communication terminal and mobile communication terminal thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101648591A CN101197865A (en) | 2006-12-07 | 2006-12-07 | Illumination method for mobile communication terminal and mobile communication terminal thereof |
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| CN101197865A true CN101197865A (en) | 2008-06-11 |
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| CNA2006101648591A Pending CN101197865A (en) | 2006-12-07 | 2006-12-07 | Illumination method for mobile communication terminal and mobile communication terminal thereof |
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| CN101951445A (en) * | 2010-10-09 | 2011-01-19 | 华为终端有限公司 | Adaptive adjusting terminal equipment and method |
| CN101645980B (en) * | 2008-08-07 | 2012-09-12 | 宏达国际电子股份有限公司 | Hand-held device and power saving method thereof |
| CN103034294A (en) * | 2012-11-20 | 2013-04-10 | 广州市渡明信息技术有限公司 | Tablet personal computer protecting sleeve and protecting sleeve control method |
| CN103200733A (en) * | 2013-02-19 | 2013-07-10 | 中兴通讯股份有限公司 | Method and device used for automatically controlling state indicator lamp of terminal equipment |
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| CN103678730A (en) * | 2013-12-30 | 2014-03-26 | 深圳Tcl新技术有限公司 | Method and device for acquiring photosensitive sensor data |
| WO2015143688A1 (en) * | 2014-03-28 | 2015-10-01 | 华为终端有限公司 | Method for adjusting button light of mobile terminal, and mobile terminal |
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| CN108391351A (en) * | 2018-03-02 | 2018-08-10 | 联想(北京)有限公司 | A kind of brightness adjusting method of keyboard light, device and electronic equipment |
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| CN101951445B (en) * | 2010-10-09 | 2013-01-23 | 华为终端有限公司 | Adaptive adjusting terminal equipment and method |
| CN101951445A (en) * | 2010-10-09 | 2011-01-19 | 华为终端有限公司 | Adaptive adjusting terminal equipment and method |
| CN103034294A (en) * | 2012-11-20 | 2013-04-10 | 广州市渡明信息技术有限公司 | Tablet personal computer protecting sleeve and protecting sleeve control method |
| CN103200733B (en) * | 2013-02-19 | 2016-12-28 | 中兴通讯股份有限公司 | A kind of method and device of automatic control terminal device state indicator lamp |
| CN103200733A (en) * | 2013-02-19 | 2013-07-10 | 中兴通讯股份有限公司 | Method and device used for automatically controlling state indicator lamp of terminal equipment |
| CN103200313A (en) * | 2013-03-01 | 2013-07-10 | 广东欧珀移动通信有限公司 | Method of converting between normal mode and specific mode of handheld equipment and handheld equipment |
| CN103678730A (en) * | 2013-12-30 | 2014-03-26 | 深圳Tcl新技术有限公司 | Method and device for acquiring photosensitive sensor data |
| WO2015143688A1 (en) * | 2014-03-28 | 2015-10-01 | 华为终端有限公司 | Method for adjusting button light of mobile terminal, and mobile terminal |
| CN105744699A (en) * | 2014-12-10 | 2016-07-06 | 小米科技有限责任公司 | Method, apparatus and device for controlling illuminating lamps |
| CN105068413A (en) * | 2015-08-26 | 2015-11-18 | 广东欧珀移动通信有限公司 | Control method of smart watch and smart watch |
| CN108391351A (en) * | 2018-03-02 | 2018-08-10 | 联想(北京)有限公司 | A kind of brightness adjusting method of keyboard light, device and electronic equipment |
| CN115022997A (en) * | 2021-10-12 | 2022-09-06 | 荣耀终端有限公司 | Brightness adjusting method and electronic equipment |
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Open date: 20080611 |