CN102034456A - Display device and control method thereof as well as projector and control method thereof - Google Patents
Display device and control method thereof as well as projector and control method thereof Download PDFInfo
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- CN102034456A CN102034456A CN2009101792079A CN200910179207A CN102034456A CN 102034456 A CN102034456 A CN 102034456A CN 2009101792079 A CN2009101792079 A CN 2009101792079A CN 200910179207 A CN200910179207 A CN 200910179207A CN 102034456 A CN102034456 A CN 102034456A
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Abstract
The invention provides a display device and a control method thereof as well as a projector and a control method thereof. The display device comprises at least one sensor, at least one processing unit and a control unit, wherein the sensor is used for sensing a human body; the processing unit is connected with the sensor and used for capturing and processing a signal from the sensor so as to acquire sensing data; the control unit is connected with the processing unit and used for analyzing and judging whether the human body enters or is away from the sensing range of the sensor or not according to the sensing data. When the control unit judges that the sensing range of the human body away from the sensor reaches or exceeds a first predetermined time, the display device is shut off or ensured to enter a power saving/sleep mode; in addition, when the control unit judges that the sensing range of the human body entering the sensor reaches or exceeds a second predetermined time, the display device is started.
Description
Technical field
The invention relates to a kind of detecting control technology, and, relate in particular to a kind of display device and be used for controlling method for controlling display device and projection arrangement and be used for controlling the control method of projection arrangement particularly relevant for a kind of electronic installation and control method thereof with sensor.
Background technology
At present the electricity-saving mechanism of display device roughly has two, one for when the user in use, at a little less than the environmental light intensity or the presentation content characteristic do analysis, adjust with brightness, thereby reach purpose of power saving the demonstration module of whole display device; And another is for as user during in non-use, timer by display device inside is to count, and after experience a period of time, find without any operation or when using, then close display device automatically or allow display device enter sleep/battery saving mode, thereby reach purpose of power saving.
In addition, some display device can go the detecting image signal input sources whether signal input to be arranged or go the detecting image content to have or not to be updated.Finding the signal of video signal input source when display device in certain period does not have the input of any signal, signal that input is invalid, and when perhaps presentation content did not have any renewal, then sleep/battery saving mode can be closed or enter to display device automatically, thereby reach purpose of power saving.
Yet above-mentioned mentioned electricity-saving mechanism is no doubt effective, but often can run into following some problem in the use, for example:
1, some user can remove to carry out information reading by display device (may arrange in pairs or groups computer or other electronic-circuit devices).When the user is reading and during thinking, may not necessarily carry out any operation to computer or other electronic-circuit devices that is connected with display device, so picture often may be fixed on that picture.Therefore, because a period of time does not operate or the frame update content, so can allow the user see half, power saving/sleep pattern is just closed or enter to display device voluntarily.
2, some user can view and admire animation or film by display device (may arrange in pairs or groups computer or other electronic-circuit devices).Usually having one long period between viewing period is can not carry out any operation to computer or other electronic-circuit devices that is connected with display device.Thus, also regular meeting causes display device directly just to enter power saving/sleep pattern.
Based on above-mentioned, most of manufacturers or user can go to set this section detecting time (being generally several minutes even a few hours) to overcome the problems referred to above.Yet, too short as if setting, when the user may watch display device through being everlasting, will run into display device and close or enter power saving/sleep pattern automatically because of this electricity-saving mechanism, but if setting is oversize, little for the benefit of power saving with regard to helping.
Summary of the invention
In view of this, the invention provides a kind of display device and be used for controlling method for controlling display device and projection arrangement and be used for controlling the control method of projection arrangement.
The invention provides a kind of display device, it comprises at least one sensor, processing unit, and control module.Sensor is in order to detect a human body.Processing unit connects sensor, in order to capture and to handle the signal from sensor, uses the acquisition sense data.Control module couples processing unit, in order to analyze according to described sense data and to judge that human body is to enter or away from the sensing range of sensor.When control module judges that human body has reached away from described sensing range or surpass the first Preset Time length, then close display device or cause display device entering electricity-saving/sleep pattern; And when control module is judged that human body enters that described sensing range has reached or surpassed the second Preset Time length, then open display device.Wherein, described detection-sensitive distance can be ordered or factory settings certainly by the user, or even is determined by the set software and hardware architecture of product itself.
The present invention provides a kind of method for controlling display device that is used for controlling in addition, and it comprises: judge whether a human body enters or away from the sensing range of display device.When judging that human body has reached away from described sensing range or surpass first Preset Time, then close display device, cause display device entering electricity-saving/sleep pattern or allow the brightness of display device adjust to lower; And when judging that human body enters that described sensing range has reached or surpassing second Preset Time, then open display device.Wherein, described detection-sensitive distance can be ordered or factory settings certainly by the user, or even is determined by the set software and hardware architecture of product itself.
The present invention also provides a kind of projection arrangement, and it comprises projection light source, at least one sensor, processing unit, and control module.Sensor is used to projection arrangement and is under the open state, detects a projection surface.Processing unit connects sensor, in order to capture and to handle the signal from sensor, to obtain sense data.Control module connection processing unit and projection light source are in order to analyze according to described sense data and to judge distance between projection arrangement and the projection surface.When control module is judged distance between projection arrangement and the projection surface and is fallen into the predeterminable range scope and reached first Preset Time, then according to the brightness between projection arrangement and the projection surface apart from length control projection light source; And when control module is judged that distance between projection arrangement and the projection surface surpasses or reached second Preset Time less than described predeterminable range scope, then cause projection arrangement to close, enter power saving/sleep pattern, enter standby mode, close this projection light source and maybe this projection light source is set in a certain luminance.Wherein, described detection-sensitive distance can be ordered or factory settings certainly by the user, or even is determined by the set software and hardware framework of product itself.
The present invention provides a kind of control method that is used for controlling projection arrangement again, and wherein projection arrangement comprises a projection light source, and this control comprises: when projection arrangement is under the open state, judge the distance between projection arrangement and the projection surface; When judging distance between projection arrangement and the projection surface and fall into the predeterminable range scope and reached first Preset Time, then according to the brightness between projection arrangement and the projection surface apart from length control projection device light source; And when judging that distance between projection arrangement and the projection surface surpasses or having reached second Preset Time, then cause projection arrangement to close, enter power saving/sleep pattern, enter standby mode, close projection light source or projection light source is set in a certain luminance less than described predeterminable range scope.Wherein, described detection-sensitive distance can be ordered or factory settings certainly by the user, or even is determined by the set software and hardware architecture of product itself.
The present invention also provides a kind of electronic installation, and it comprises device for image, at least one sensor, processing unit, and control module.Device for image is used for showing an image.Sensor is in order to sensing one object.Processing unit connects sensor, in order to capture and to handle the signal from sensor, to obtain sense data.Control module connection processing unit is in order to analyze according to described sense data and to judge relative distance between electronic installation and the object, with the brightness of the shown image of control device for image.
Will be appreciated that above-mentioned general description and following embodiment only are exemplary and illustrative, it can not limit the scope that institute of the present invention desire is advocated.
Description of drawings
Fig. 1 is the front appearance synoptic diagram of one embodiment of the invention display device;
Fig. 2 is the relativeness synoptic diagram between one embodiment of the invention display device and the user;
Fig. 3 is the calcspar of one embodiment of the invention display device inside;
Fig. 4 is used for controlling method for controlling display device for one embodiment of the invention;
Fig. 5 is the front appearance synoptic diagram of one embodiment of the invention projection arrangement;
Fig. 6 is the relativeness synoptic diagram between one embodiment of the invention projection arrangement and the projecting plane;
Fig. 7 is the calcspar of one embodiment of the invention projection arrangement inside;
Fig. 8 is used for controlling the control method of projection arrangement for one embodiment of the invention.
Description of reference numerals
The 100-display device; 201-human body (user); 301,701-sensor;
303,703-processing unit; 305,705-control module; 307-shows module;
The 500-projection arrangement; The 707-projection light source; The F-frame;
The AA-viewing area; The d-distance; The SR-sensing range;
SS-is from the signal of sensor; The SD-sense data; The 501-projection surface;
S401～S409: one embodiment of the invention is used for controlling each step of method for controlling display device process flow diagram;
S801～S809: one embodiment of the invention is used for controlling each step of control method process flow diagram of projection arrangement.
Embodiment
Now will be in detail with reference to the embodiment of the invention, and the example of described embodiment is described in the accompanying drawings.In addition, all possibility parts use element/member of same numeral to represent identical or similar portions in drawings and the embodiments.
Fig. 1 is the front appearance synoptic diagram of one embodiment of the invention display device.Fig. 2 is the relativeness synoptic diagram between one embodiment of the invention display device and the user.Fig. 3 is the calcspar of one embodiment of the invention display device inside.Please merge with reference to Fig. 1～Fig. 3, display device 100 comprises at least one sensor 301, processing unit 303, control module 305 and shows module 307.
In the present embodiment, human body 201 has reached away from the sensing range SR of sensor 301 or (this first Preset Time can be one period set time when surpassing one section first Preset Time when control module 305 is judged according to sense data SD that processing unit 303 obtained, or one section variable time that can allow the user adjust voluntarily), then control module 305 can be closed display device 100 or be caused display device 100 to enter power saving/sleep pattern.
On the other hand, sensing range SR that human body 201 enters sensor 301 has reached or (this second Preset Time can be one period set time equally when surpassing one section second Preset Time when control module 305 is judged according to sense data SD that processing unit 303 obtained, or one section variable time that can allow the user adjust voluntarily), then control module 305 can be opened display device 100, and causes demonstration module 307 show image in the AA of viewing area to be watched to the user.
Hence one can see that, and the sensing range SR of sensor 301 has reached or surpass one section second Preset Time in case the user enters, and control module 305 will be opened display device 100.Thus, if the user by display device 100 (may arrange in pairs or groups computer or other electronic-circuit devices) go to carry out information reading, when viewing and admiring animation or viewing and admiring film, as long as the user continue to remain on enter sensor 301 sensing range SR in and meet or exceed under the condition of one section second Preset Time, control module 305 will cause display device 100 to remain on the normal operation pattern, thereby make display device 100 not close or enter power saving/sleep pattern voluntarily, can improve the problem that prior art is addressed with this.
In addition, in case the user has reached away from the sensing range SR of sensor 301 or surpassed one section first Preset Time, control module 305 will be closed display device 100 or turn down the brightness that shows module 307 and be entered power saving/sleep pattern to cause display device 100.Thus, if the user goes to carry out information reading, views and admires animation or views and admires film by display device 100 (may arrange in pairs or groups computer or other electronic-circuit devices), and it is suddenly busy and reach one section first Preset Time when above away from the sensing range SR of sensor 301, control module 305 will be closed display device 100 or be caused display device 100 to enter power saving/sleep pattern, to reach purpose of power saving.
In another embodiment of the present invention, control module 305 can also analyze according to the sense data SD that processing unit 303 is obtained and judge between human body 201 and the sensor 301 apart from d, and according to this brightness that shows module 307 is adjusted.In the present embodiment, show that module 307 roughly can be made up of display panel, module backlight and a plurality of driver.Also also because of like this, when control module 305 and when judging falling into the sensing range SR of sensor 301 or falling into a specific distance range between human body 201 and the sensor 301 apart from d according to sense data SD that processing unit 303 obtained, then according to mode apart from d and by image processing, the mode that gamma (Gamma) voltage is adjusted, the mode that GTG (gray level) voltage is adjusted, or the mode of module brightness adjustment backlight, dynamically to adjust the brightness that shows module 307, for example increase the brightness that (for example linear or non-linear increase, but be not restricted to this) shows module 307 gradually.
On the other hand, when control module 305 judge according to sense data SD that processing unit 303 obtained between human body 201 and the sensor 301 surpass the sensing range SR of sensor 301 apart from d the time, then same foundation is apart from d and by the mode of image processing, the mode that gamma voltage is adjusted, the mode that gray scale voltage is adjusted, or the mode adjusted of module brightness backlight (but neither be limited to this), dynamically to adjust the brightness that shows module 307, for example reduce the brightness that (for example linear or non-linear reduction, but be not restricted to this) shows module 307 gradually.
Based on the content that the foregoing description disclosed, Fig. 4 is used for controlling method for controlling display device for one embodiment of the invention.Please refer to Fig. 4, present embodiment is used for controlling method for controlling display device and comprises: judge whether human body enters or away from the sensing range (step S401) of display device.When judging human body among the step S401 away from the sensing range of display device, then continue to judge whether human body reaches first Preset Time (step S403) away from the sensing range of display device, this first Preset Time can be one period set time, or one section variable time that can allow the user adjust voluntarily.Surpass when judging the sensing range of human body away from display device among the step S403/when having reached first Preset Time, the brightness of then closing display device or reduction display device is to cause display device entering electricity-saving/sleep pattern (step S405).In addition, when judging the sensing range of human body among the step S403 and do not reach first Preset Time, then return step S401 away from display device.
On the other hand, when judging human body among the step S405 and enter the sensing range of display device, continue then to judge whether the sensing range that human body enters display device reaches second Preset Time (step S407), this second Preset Time can be one period set time equally, or one section variable time that can allow the user adjust voluntarily.Surpass when judging the sensing range that human body enters display device among the step S407/when having reached second Preset Time, then open display device, and the distance between analysis human body and the display device, with when this distance falls into the sensing range of display device or a specific distance range, dynamically adjust the display brightness (step S409) of display device.In addition, when judging sensing range that human body enters sensor among the step S407 and do not reach second Preset Time, then return step S401.In the present embodiment, when the distance between human body and the display device falls into the sensing range of display device or a specific distance range, for example can increase the brightness of display device gradually; In addition, when the distance between human body and the display device surpasses the sensing range of display device or a specific distance range, for example can reduce the brightness of display device gradually, but neitherly be limited to this.
Fig. 5 is the front appearance synoptic diagram of one embodiment of the invention projection arrangement.Fig. 6 is the relativeness synoptic diagram between one embodiment of the invention projection arrangement and the projecting plane.Fig. 7 is the calcspar of one embodiment of the invention projection arrangement inside.Please merge with reference to Fig. 5～Fig. 7, projection arrangement 500 for example can be projector, single rifle projector, lantern slide playing machine or theatre motion picture film player, and comprises at least one sensor 701, processing unit 703, control module 705 and projection light source 707.
Therefore, judge when control module 705 and to fall into aforementioned predeterminable range scope and when long more apart from d between projection arrangement 500 and the projection surface 501 apart from d, then control module 705 can increase the brightness of (for example linear or non-linear increase, but be not restricted to this) projection light source 707 gradually.In addition, judge when control module 705 and to fall into aforementioned predeterminable range scope and more in short-term apart from d between projection arrangement 500 and the projection surface 501 apart from d, then control module 705 can reduce the brightness of (for example linear or non-linear reduction, but be not restricted to this) projection light source 707 gradually.
In the present embodiment, the mode of the brightness of control module 705 control projection light sources 707 can be by the mode of image processing, the mode that gamma voltage is adjusted, the mode that gray scale voltage is adjusted, the mode that projection light source brightness is adjusted, or the mode that the eyeglass of projection arrangement focus on to be adjusted controls, but neitherly is limited to this.
On the other hand, when control module 705 is judged surpassing or (this second Preset Time can be one period set time equally when having reached second Preset Time less than aforementioned predeterminable range scope apart from d between projection arrangement 500 and the projection surface 501 according to sense data SD that processing unit 703 obtained, or one section variable time that can allow the user adjust voluntarily), then control module 705 can make projection arrangement 500 close, enter power saving/sleep pattern, enters standby mode, closes projection light source 707 or projection light source 707 is set in a certain luminance.
Hence one can see that, in case falling into aforementioned predeterminable range scope apart from d and reached one first Preset Time between projection arrangement 500 and the projection surface 501, control module 705 will be according to adjusting the brightness of projection light source 707 adaptively apart from d length between projection arrangement 500 and the projection surface 501.Thus, if the user is by projection arrangement 500 (may arrange in pairs or groups computer or other electronic-circuit devices) when going to carry out information reading, view and admire animation or viewing and admiring film, as long as apart from d continuing remain on fall into aforementioned predeterminable range scope between projection arrangement 500 and the projection surface 501 reaches under the condition of one section first Preset Time, control module 705 will cause projection arrangement 500 to remain on the normal operation pattern, thereby makes projection arrangement 500 must not close or enter power saving/sleep/standby mode voluntarily.
In addition, in case surpassing or reach one section second Preset Time between projection arrangement 500 and the projection surface 501 less than aforementioned predeterminable range scope apart from d, control module 705 will make projection arrangement 500 close, enter power saving/sleep pattern, enters standby mode, closes projection light source 707 or projection light source 707 is set in a certain luminance, doubt to avoid projection light source 707 to be burnt can also reach purpose of power saving.
Based on the content that the foregoing description disclosed, Fig. 8 is used for controlling the control method of projection arrangement for one embodiment of the invention.Please refer to Fig. 8, the control method that present embodiment is used for controlling projection arrangement comprises: judge whether the distance between projection arrangement (having a projection light source) and the projection surface falls into predeterminable range scope (step S801).When judging distance between projection arrangement and the projection surface among the step S801 and fall into the predeterminable range scope, continue then to judge that distance between projection arrangement and the projection surface falls into the predeterminable range scope and whether reached first Preset Time (step S803), this first Preset Time can be one period set time, or one section variable time that can allow the user adjust voluntarily, and the visual actual state of this predeterminable range scope and determining.
When judging distance between projection arrangement and the projection surface among the step S803 and fall into the predeterminable range scope and reached first Preset Time, then according to the brightness (S805) between projection arrangement and the projection surface apart from the projection light source of length control projection arrangement.Therefore, fall into predeterminable range scope and this distance when long more, then increase the brightness of projection light source gradually when judging distance between projection arrangement and the projection surface; And fall into predeterminable range scope and this distance more in short-term when judging distance between projection arrangement and the projection surface, then reduce the brightness of projection light source gradually.In addition, when judging distance between projection arrangement and the projection surface among the step S803 and fall into the predeterminable range scope and do not reach first Preset Time, then return step S801.
On the other hand, when judging distance between projection arrangement and the projection surface among the step S801 and not falling into (promptly surpass or less than) predeterminable range scope, then continue to judge between projection arrangement and the projection surface distance above or whether reach second Preset Time (step S807) less than the predeterminable range scope, this second Preset Time can be one period set time equally, or one section variable time that can allow the user adjust voluntarily.When judging among the step S807 that distance between projection arrangement and the projection surface surpasses or having reached second Preset Time, then cause projection arrangement to close, enter power saving/sleep pattern, enter standby mode, close projection light source or projection light source is set in a certain luminance (S809) less than the predeterminable range scope.In addition, when judging among the step S807 that distance between projection arrangement and the projection surface surpasses or not reaching second Preset Time, then return step S801 less than the predeterminable range scope.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (24)
1. display device comprises:
At least one sensor, in order to producing a sensing signal, this sensing signal is to should display device and the distance of a human body;
One processing unit connects this sensor, in order to handle this sensing signal, to obtain a sense data; And,
One control module, connect this processing unit, in order to analyze according to this sense data and to judge whether this human body enters or away from a sensing range of this sensor, and when judging that this human body has reached away from this sensing range or surpass one first Preset Time, then close this display device or cause this display device to enter one power saving/sleep pattern.
2. display device according to claim 1 wherein when this control module is judged that this human body enters that this sensing range has reached or surpassed one second Preset Time, is then opened this display device.
3. display device according to claim 1 also comprises:
One shows module, connects this control module, and wherein this control module is also in order to control the brightness of this demonstration module.
4. display device according to claim 3, wherein this control module is turned down the brightness of this demonstration module, and then makes this display device enter this power saving/sleep pattern.
5. display device according to claim 1, wherein this control module is also analyzed a distance between this human body and this sensor according to this sense data, and according to this brightness of this demonstration module is adjusted.
6. display device according to claim 5 wherein when this control module is judged this distance and fallen into a specific distance range or fall in this sensing range, then according to this distance, is dynamically adjusted the brightness of this demonstration module.
7. display device according to claim 2, wherein this first Preset Time and this second Preset Time are a set time or a variable time.
8. display device according to claim 1, wherein this sensor comprises an optical sensor, a photo switches, photo sensors, a ultrasonic sensing method, an electromagnetic wave sensor, a mechanical wave sensor, a temperature-sensitive sticker or an image sensor.
9. one kind is used for controlling a method for controlling display device, and this control method comprises:
Judge whether a human body enters or away from one of this display device sensing range, wherein:
When judging that this human body has reached away from this sensing range or surpass one first Preset Time, then close this display device or cause this display device to enter one power saving/sleep pattern; And,
When judging that this human body enters that this sensing range has reached or surpassing one second Preset Time, then open this display device.
10. according to claim 9ly be used for controlling this method for controlling display device, the step that wherein causes this display device to enter this power saving/sleep pattern includes:
Reduce the brightness of this display device, so that this display device enters this power saving/sleep pattern.
11. according to claim 10ly be used for controlling this method for controlling display device, also comprise:
Analyze the distance between this human body and this display device, and adjust the display brightness of this display device according to this.
12. according to claim 11ly be used for controlling this method for controlling display device, wherein when judging this distance and fall into this sensing range or a specific distance range, then dynamically adjust the display brightness of this display device.
13. the method that is used for controlling this display device according to claim 9, wherein this first Preset Time and this second Preset Time are a set time or a variable time.
14. a projection arrangement comprises:
One projection light source;
At least one sensor in order to be under the open state when this projection arrangement, produces a sensing signal, and this sensing signal is to should projection arrangement and the distance of a projection surface;
One processing unit connects this sensor, in order to capture and to handle this sensing signal, to obtain a sense data; And,
One control module, connect this processing unit and this projection light source, in order to analyze according to this sense data and to judge a distance between this projection arrangement and this projection surface, when having reached one first Preset Time, then adjust this projection brightness according to the length of this distance to fall into a predeterminable range scope interval when this distance; And when this control module is judged this distance and surpassed this predeterminable range scope and reached one second Preset Time, then make this projection arrangement close, enter one power saving/sleep pattern, enter a standby mode, close this projection light source and maybe this projection light source is set in a certain luminance.
15. projection arrangement according to claim 14 is wherein judged this distance when this control module and is fallen into this predeterminable range scope and this distance when long more, then increases the brightness of this projection light source.
16. projection arrangement according to claim 14, wherein this distance falls into this predeterminable range scope and this distance is got in short-term when this control module is judged, and then reduces the brightness of this projection light source.
17. projection arrangement according to claim 14, wherein this first Preset Time and this second Preset Time are a set time or a variable time.
18. projection arrangement according to claim 14, wherein this sensor comprises an optical sensor, a photo switches, photo sensors, a ultrasonic sensing method, an electromagnetic wave sensor, a mechanical wave sensor, a temperature-sensitive sticker or an image sensor.
19. projection arrangement according to claim 14, wherein this projection arrangement comprises a projector, a single rifle projector, a lantern slide playing machine or a theatre motion picture film player.
20. a control method that is used for controlling a projection arrangement, this projection arrangement comprises a projection light source, and this control method comprises:
When this projection arrangement is under the open state, judge the distance between this projection arrangement and the projection surface;
When judging this distance and fall into a predeterminable range scope and reached one first Preset Time, then control the brightness of a projection light source of this projection arrangement according to the length of this distance; And,
When judging that this distance surpasses or having reached one second Preset Time, then make this projection arrangement close, enter one power saving/sleep pattern, enter a standby mode, close this projection light source and maybe this projection light source is set in a certain luminance less than this predeterminable range scope.
21. the control method that is used for controlling this projection arrangement according to claim 20 wherein falls into this predeterminable range scope and this distance when long more when judging this distance, then increases the brightness of this projection light source gradually.
22. the control method that is used for controlling this projection arrangement according to claim 20 wherein ought be judged this distance and fall into this predeterminable range scope and this distance more in short-term, then reduces the brightness of this projection light source gradually.
23. the control method that is used for controlling this projection arrangement according to claim 20, wherein this first Preset Time and this second Preset Time are a set time or a variable time.
24. an electronic installation comprises:
One device for image is used for showing an image;
At least one sensor is in order to produce a sensing signal, the distance of the corresponding object of this sensing signal and this electronic installation;
One processing unit connects this sensor, in order to capture and to handle the signal from this sensor, to obtain a sense data; And,
One control module connects this processing unit, in order to analyze according to this sense data and to judge a relative distance between this electronic installation and this object, to control the brightness of this shown image of this device for image.
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| CN 200910179207 CN102034456B (en) | 2009-09-29 | 2009-09-29 | Display device and control method thereof as well as projector and control method thereof |
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| CN 200910179207 CN102034456B (en) | 2009-09-29 | 2009-09-29 | Display device and control method thereof as well as projector and control method thereof |
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