CN103176339A - System and method for automatically adjusting projection brightness - Google Patents
System and method for automatically adjusting projection brightness Download PDFInfo
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- CN103176339A CN103176339A CN2012103016981A CN201210301698A CN103176339A CN 103176339 A CN103176339 A CN 103176339A CN 2012103016981 A CN2012103016981 A CN 2012103016981A CN 201210301698 A CN201210301698 A CN 201210301698A CN 103176339 A CN103176339 A CN 103176339A
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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
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
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Abstract
The invention discloses a system and a method for automatically adjusting the projection brightness. The method includes A, acquiring ambient brightness parameter values via a brightness sensor and correspondingly transmitting the ambient brightness parameter values to a microprocessor; B, enabling the microprocessor to correspondingly transmit the ambient brightness parameter values to a CPU (central processing unit); C, enabling the CPU to carry out brightness compensation according to the ambient brightness parameter values and transmitting compensated brightness parameters to the microprocessor; and D, enabling the microcontroller to control a projection module to drive a projection lens to carry out projection according to the compensated brightness parameters. The system and the method have the advantages that the ambient brightness of an environment where projection is required is detected by the brightness sensor, the current ambient brightness values are acquired, a brightness compensation algorithm is called by the CPU to compensate the current ambient brightness, required compensated brightness values are acquired, and the microprocessor controls the projection module to drive the projection lens to carry out projection; and the projection brightness can be automatically adjusted according to different ambient brightness, and problems of poor effect and user experience and troublesome operation of a manual brightness adjusting mode are solved.
Description
Technical field
The present invention relates to shadow casting technique, what be specifically related to is a kind of projection brightness varitrol and method, and the projection brightness that is mainly used in the equipment such as mobile phone, projector of projecting function is regulated.
Background technology
Fast development along with electronic manufacturing technology and smart mobile phone, what mobile phone had a projecting function becomes possibility, present part smart mobile phone all has projecting function, can realize the displaying of interior of mobile phone data, picture, PPT and video etc. by projecting function, greatly convenient for users to use.
But the projector of the present mobile phone with projecting function and routine is when carrying out projection, and to having relatively high expectations of ambient brightness, the ambient brightness during projection has a great impact the effect of projection, if when surrounding environment is brighter, projection brightness must increase; And ambient brightness is when darker, and the brightness of projection will dim a little, and present projection mobile phone and projector all need by manual adjustments, and regulative mode is cumbersome, and effect is also undesirable, and user's experience sense is relatively poor.
Summary of the invention
For this reason, the object of the present invention is to provide a kind of projection brightness varitrol and method, need the existing adjusting trouble of manual adjustments brightness, effect bad to solve present projection mobile phone, projector, the problem that user's experience sense is relatively poor.
The objective of the invention is to be achieved through the following technical solutions.
A kind of projection brightness varitrol comprises CPU, microprocessor, projection module and projection lens, and described CPU is connected with microprocessor, and microprocessor is connected with projection lens by projection module, also includes a luminance sensor that is connected with microprocessor.
Preferably, this system also includes a storer that is connected with CPU, stores the ambient brightness backoff algorithm in this storer.
Preferably, described luminance sensor also is connected with CPU.
In addition, the present invention also provides a kind of projection brightness Automatic adjustment method, comprises step:
A, obtain the ambient brightness parameter value by luminance sensor, and its correspondence is sent to microprocessor;
B, microprocessor correspondence send to CPU with this ambient brightness parameter value;
C, CPU carry out luminance compensation according to this ambient brightness parameter value, and the luminance parameter after compensating sends to microprocessor;
D, the microprocessor luminance parameter controlling projection module drive projection lens after according to this compensation carries out projection.
Preferably, also comprise before steps A:
Ambient brightness backoff algorithm corresponding stored is set in storer.
Preferably, steps A comprises:
CPU controls luminance sensor and starts, and obtains ambient brightness parameter value when front projection by luminance sensor, and its correspondence is sent to microprocessor.
Preferably, step B comprises:
Microprocessor obtains above-mentioned ambient brightness parameter value, and converts thereof into digital format, and correspondence will send to CPU.
Preferably, step C comprises:
CPU calls the ambient brightness backoff algorithm in storer, and above-mentioned ambient brightness parameter value is compensated calculating, obtain the brightness value after compensation, and the luminance parameter after compensating sends to microprocessor.
The present invention compared with prior art, beneficial effect is: projection brightness varitrol provided by the invention and method, by luminance sensor, the ambient brightness that needs projection is detected, obtain the current environment brightness value, and this numerical value correspondence is sent to CPU, brightness compensates to current environment to call the luminance compensation algorithm by CPU, obtains the brightness value that needs compensation, and correspondence is carried out projection by microprocessor controlling projection module drive projection lens.The present invention has realized according to ambient brightness different, and the purpose of automatically regulating projection brightness has been avoided the existing weak effect of manual adjustments brightness, complex operation and the relatively poor problem of user's experience sense.
Description of drawings
Fig. 1 is system principle diagram of the present invention.
Fig. 2 is principle of work process flow diagram of the present invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
See also shown in Figure 1ly, Fig. 1 is system principle diagram of the present invention.The present invention is to provide a kind of projection brightness varitrol, being mainly used in solving present projection mobile phone, projector needs the existing adjusting trouble of manual adjustments brightness, effect bad, the problem that user's experience sense is relatively poor.
Wherein this system includes CPU, microprocessor, storer, projection module and projection lens, described CPU is connected with microprocessor, microprocessor is connected with projection lens by projection module, also include a luminance sensor that is connected with microprocessor, this luminance sensor also is connected with CPU, stores the ambient brightness backoff algorithm in described storer.
this system can be applicable to projection mobile phone, projector etc. have in the equipment of projecting function, it is by being arranged on the luminance sensor in corresponding device, correspondence is obtained the projection brightness parameter, if this current ambient brightness is inconsistent with best projection brightness, need to calculate compensation by the CPU correspondence, its luminance compensation algorithm according to best projection effect and projection ambient brightness one by one corresponding calculating obtain, when the ambient brightness that obtains is darker, calculate under this ambient brightness by the backoff algorithm correspondence, need how much brightness of compensation just can reach best drop shadow effect, and drive projection module work according to result of calculation, the corresponding projection brightness of regulating projection lens, mated with realization and ambient brightness.
Native system can according to the brightness of projection environment, be adjusted the brightness of projection mobile phone or projector projection automatically.So just remove the trouble of the each manual adjustments of user from, satisfied very real demand of user, provide better user to experience.
Be more than the explanation to a kind of projection brightness varitrol of the present invention, be further described below in conjunction with a kind of projection brightness Automatic adjustment method of 2 couples of the present invention of accompanying drawing.
Shown in Figure 2, Fig. 2 is principle of work process flow diagram of the present invention.The present invention also provides a kind of projection brightness varitrol, and concrete steps are as follows:
At first ambient brightness backoff algorithm corresponding stored is set in storer, this ambient brightness backoff algorithm is used for current projection ambient brightness is compensated, regulate by the projection brightness to projection lens, itself and current environment brightness are mated, such as when ambient brightness is darker, correspondence dims projection brightness; If when ambient brightness is brighter, correspondence lightens projection brightness.
A, obtain the ambient brightness parameter value by luminance sensor, and its correspondence is sent to microprocessor;
CPU controls luminance sensor and starts, and obtains ambient brightness parameter value when front projection by luminance sensor, and its correspondence is sent to microprocessor.
B, microprocessor correspondence send to CPU with this ambient brightness parameter value;
Microprocessor obtains above-mentioned ambient brightness parameter value, and converts thereof into digital format, and correspondence will send to CPU.
C, CPU carry out luminance compensation according to this ambient brightness parameter value, and the luminance parameter after compensating sends to microprocessor;
CPU calls the ambient brightness backoff algorithm in storer, and above-mentioned ambient brightness parameter value is compensated calculating, obtain the brightness value after compensation, and the luminance parameter after compensating sends to microprocessor.
D, the microprocessor luminance parameter controlling projection module drive projection lens after according to this compensation carries out projection.
The present invention utilizes the luminance sensor of mobile phone or projector, when projecting function is opened, starts luminance sensor.When finding that ambient brightness is higher, heighten the brightness of projection; When finding that ambient brightness is relatively lower, turn down the brightness of projection, thereby make drop shadow effect automatically reach state preferably.
The above is only preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. projection brightness varitrol, comprise CPU, microprocessor, projection module and projection lens, described CPU is connected with microprocessor, and microprocessor is connected with projection lens by projection module, characterized by further comprising a luminance sensor that is connected with microprocessor.
2. projection brightness varitrol according to claim 1, characterized by further comprising a storer that is connected with CPU, stores the ambient brightness backoff algorithm in this storer.
3. projection brightness varitrol according to claim 1, is characterized in that described luminance sensor also is connected with CPU.
4. projection brightness Automatic adjustment method is characterized in that comprising step:
A, obtain the ambient brightness parameter value by luminance sensor, and its correspondence is sent to microprocessor;
B, microprocessor correspondence send to CPU with this ambient brightness parameter value;
C, CPU carry out luminance compensation according to this ambient brightness parameter value, and the luminance parameter after compensating sends to microprocessor;
D, the microprocessor luminance parameter controlling projection module drive projection lens after according to this compensation carries out projection.
5. projection brightness Automatic adjustment method according to claim 4 is characterized in that also comprising before steps A:
Ambient brightness backoff algorithm corresponding stored is set in storer.
6. projection brightness Automatic adjustment method according to claim 4 is characterized in that steps A comprises:
CPU controls luminance sensor and starts, and obtains ambient brightness parameter value when front projection by luminance sensor, and its correspondence is sent to microprocessor.
7. projection brightness Automatic adjustment method according to claim 4 is characterized in that step B comprises:
Microprocessor obtains above-mentioned ambient brightness parameter value, and converts thereof into digital format, and correspondence will send to CPU.
8. projection brightness Automatic adjustment method according to claim 4 is characterized in that step C comprises:
CPU calls the ambient brightness backoff algorithm in storer, and above-mentioned ambient brightness parameter value is compensated calculating, obtain the brightness value after compensation, and the luminance parameter after compensating sends to microprocessor.
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| CN201210301698.1A CN103176339B (en) | 2012-08-23 | 2012-08-23 | A kind of projection brightness varitrol and method |
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| CN201210301698.1A CN103176339B (en) | 2012-08-23 | 2012-08-23 | A kind of projection brightness varitrol and method |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103713465A (en) * | 2013-12-05 | 2014-04-09 | 上海理工大学 | A preparation method of an integrated holographic projection device capable of being placed for a long term |
| CN104105260A (en) * | 2014-07-04 | 2014-10-15 | 江苏达伦电子股份有限公司 | System capable of automatically adjusting brightness of lamp based on APP system by utilizing ambient light sensor of mobile phone |
| CN104410803A (en) * | 2014-09-28 | 2015-03-11 | 联想(北京)有限公司 | Information processing method and electronic equipment |
| CN105245805A (en) * | 2015-09-06 | 2016-01-13 | 联想(北京)有限公司 | Projection method and electronic equipment |
| CN105530498A (en) * | 2015-12-15 | 2016-04-27 | 深圳市时代华影科技股份有限公司 | 3D projection system capable of compensating uniformity of metal curtain and compensation method thereof |
| CN106094408A (en) * | 2016-08-18 | 2016-11-09 | 微鲸科技有限公司 | Image quality parameter adaptive control method, device and laser projection device |
| CN107728413A (en) * | 2016-08-12 | 2018-02-23 | 深圳市光峰光电技术有限公司 | Optical projection system and the brightness adjusting method applied to optical projection system |
| CN108259871A (en) * | 2018-03-28 | 2018-07-06 | 联想(北京)有限公司 | A kind of projection process method and electronic equipment |
| CN108282944A (en) * | 2018-01-22 | 2018-07-13 | 京东方科技集团股份有限公司 | Indoor light adjustment equipment, regulating system and method based on projecting apparatus state |
| CN108806681A (en) * | 2018-05-28 | 2018-11-13 | 江西午诺科技有限公司 | Sound control method, device, readable storage medium storing program for executing and projection device |
| CN110858052A (en) * | 2018-08-23 | 2020-03-03 | 深圳光峰科技股份有限公司 | Projector brightness adjusting system and brightness adjusting method |
| CN114501023A (en) * | 2022-03-31 | 2022-05-13 | 深圳思谋信息科技有限公司 | Video processing method and device, computer equipment and storage medium |
| WO2024041070A1 (en) * | 2022-08-26 | 2024-02-29 | 青岛海信激光显示股份有限公司 | Projection display method, projection device and storage medium |
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| CN1831639A (en) * | 2005-12-26 | 2006-09-13 | 康佳集团股份有限公司 | Brigtness regulating system for projection lamp and its method |
| CN201000527Y (en) * | 2007-01-22 | 2008-01-02 | 哈尔滨宇宙光电子有限公司 | Device for enhancing contrast ratio of projector |
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| US5760760A (en) * | 1995-07-17 | 1998-06-02 | Dell Usa, L.P. | Intelligent LCD brightness control system |
| CN1831639A (en) * | 2005-12-26 | 2006-09-13 | 康佳集团股份有限公司 | Brigtness regulating system for projection lamp and its method |
| CN201000527Y (en) * | 2007-01-22 | 2008-01-02 | 哈尔滨宇宙光电子有限公司 | Device for enhancing contrast ratio of projector |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103713465A (en) * | 2013-12-05 | 2014-04-09 | 上海理工大学 | A preparation method of an integrated holographic projection device capable of being placed for a long term |
| CN103713465B (en) * | 2013-12-05 | 2016-06-08 | 上海理工大学 | The preparing process of the integrated holographic projector that can place for a long time |
| CN104105260A (en) * | 2014-07-04 | 2014-10-15 | 江苏达伦电子股份有限公司 | System capable of automatically adjusting brightness of lamp based on APP system by utilizing ambient light sensor of mobile phone |
| CN104410803A (en) * | 2014-09-28 | 2015-03-11 | 联想(北京)有限公司 | Information processing method and electronic equipment |
| CN105245805B (en) * | 2015-09-06 | 2019-03-08 | 联想(北京)有限公司 | A kind of projecting method and electronic equipment |
| CN105245805A (en) * | 2015-09-06 | 2016-01-13 | 联想(北京)有限公司 | Projection method and electronic equipment |
| CN105530498A (en) * | 2015-12-15 | 2016-04-27 | 深圳市时代华影科技股份有限公司 | 3D projection system capable of compensating uniformity of metal curtain and compensation method thereof |
| CN107728413A (en) * | 2016-08-12 | 2018-02-23 | 深圳市光峰光电技术有限公司 | Optical projection system and the brightness adjusting method applied to optical projection system |
| CN107728413B (en) * | 2016-08-12 | 2019-07-16 | 深圳光峰科技股份有限公司 | Optical projection system and brightness adjusting method applied to optical projection system |
| CN106094408B (en) * | 2016-08-18 | 2018-05-29 | 微鲸科技有限公司 | Image quality parameter adaptive adjusting method, device and laser projection device |
| CN106094408A (en) * | 2016-08-18 | 2016-11-09 | 微鲸科技有限公司 | Image quality parameter adaptive control method, device and laser projection device |
| CN108282944A (en) * | 2018-01-22 | 2018-07-13 | 京东方科技集团股份有限公司 | Indoor light adjustment equipment, regulating system and method based on projecting apparatus state |
| CN108259871A (en) * | 2018-03-28 | 2018-07-06 | 联想(北京)有限公司 | A kind of projection process method and electronic equipment |
| CN108806681A (en) * | 2018-05-28 | 2018-11-13 | 江西午诺科技有限公司 | Sound control method, device, readable storage medium storing program for executing and projection device |
| CN110858052A (en) * | 2018-08-23 | 2020-03-03 | 深圳光峰科技股份有限公司 | Projector brightness adjusting system and brightness adjusting method |
| CN114501023A (en) * | 2022-03-31 | 2022-05-13 | 深圳思谋信息科技有限公司 | Video processing method and device, computer equipment and storage medium |
| WO2024041070A1 (en) * | 2022-08-26 | 2024-02-29 | 青岛海信激光显示股份有限公司 | Projection display method, projection device and storage medium |
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| CN103176339B (en) | 2015-09-09 |
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Effective date of registration: 20210708 Address after: 518057 Desai Science and Technology Building, 9789 Shennan Avenue, Yuehai Street, Nanshan District, Shenzhen City, Guangdong Province, 17th Floor (15th Floor of Natural Floor) 1702-1703 Patentee after: Shenzhen Microphone Holdings Co.,Ltd. Address before: 518000 21, Times Technology Building, 7028 Shennan Road, Futian District, Shenzhen, Guangdong. Patentee before: DONGGUAN GOLDEX COMMUNICATION TECHNOLOGY Co.,Ltd. |