CN101079972A - Control method, control device and image system - Google Patents
Control method, control device and image system Download PDFInfo
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- CN101079972A CN101079972A CNA2006100844462A CN200610084446A CN101079972A CN 101079972 A CN101079972 A CN 101079972A CN A2006100844462 A CNA2006100844462 A CN A2006100844462A CN 200610084446 A CN200610084446 A CN 200610084446A CN 101079972 A CN101079972 A CN 101079972A
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Abstract
This invention discloses a control method, a control device and an image system, in which, the method includes: sensing distance between a watcher and a screen to adjust the size of a picture displayed on the screen timely. This invention can adjust sizes of pictures displayed on the screen along with the distance between a watcher and the screen so as to avoid that watchers approach to the display screen too closely to protect eyes.
Description
Technical field
The present invention relates generally to Display Technique; be specifically related to a kind of control method, control appliance and use the image system of this control appliance; can adjust the size of the picture on the display screen along with the distance between beholder and the display screen; avoiding the beholder, thereby protect its eyesight too near display screen.
Background technology
Along with development of electronic technology, the video display apparatus that has various function as television set and so on has entered in people's the family, becomes the indispensable part of daily life.But television set has brought problem to people simultaneously, and a lot of spectators are because the incorrect custom of watching, and causes its eyesight to descend, and has brought worries to people.
In patent documentation 1 (spy opens flat H04-365268), disclosed a kind of video state setting device that is used for television receiver, the video state that it is realized ideal automatically by input environment photometric data and viewing distance, and carry out fuzzy inference to determine best video state at these data.
In patent documentation 2 (spy opens flat H06-237394), disclosed a kind of according to viewing distance automatically with the electronic equipment of optimum picture quality display video, its display quality by the video pictures that detects the distance between remote controller and the video screen and show based on this distance adjustment makes it reach best.
In patent documentation 3 (spy opens flat H04-132487), disclosed a kind of control technology of television receiver, kept volume and video quality the best of television receiver under its situation that can change by the distance between measurement television receiver and the beholder in beholder's viewpoint.
In above-mentioned patent document 1-3, though make and to prevent the too close video screen of spectators by the image quality optimum as children by regulating display quality.
In addition, in patent documentation 4 (US2005-0243212), disclosed a kind of television receiver, be used for being shown as the picture that dwindles by the picture of giving an order from remote controller screen display during near television receiver such as the large screen plasma TV the beholder, make the beholder can see the view picture picture, and therefore can reduce power consumption.
The problem that exists in the patent documentation 4 is; need the user to carry out active and set, so that show the picture that dwindles, this is for children; since they be in seeing the process of TV unawares gradually near video screen, so they can not dwindle picture on one's own initiative and protect their eyes.
In addition, in patent documentation 5 (US2005-0151882), disclosed the technology of the viewing distance between a kind of control and the television receiver, be used to prevent children, thereby protected their eyes too near video screen.In patent documentation 5, if the too close video screen of beholder, then television receiver sends signal to remote controller, and this signal of remote controller response sends the shutdown signal of closing television receiver.Like this, the beholder just has to viewing distance is remained in the preferable scope, thereby impels children to form the good custom of watching.
The problem that exists in the above-mentioned patent documentation 5 is, in case because the beholder will not show television image too near television receiver, this has caused very disagreeableness result, because when the beholder when this turns on television set and watches, some interested content is over and done with.In addition, because the interruption of program will make the beholder feel depressed.In this sense, the technology of patent documentation 5 and impracticable.
Summary of the invention
In view of problems of the prior art, finished the present invention.The image system that the objective of the invention is to propose a kind of control method, control appliance and use this control appliance; can adjust the size of the picture on the display screen along with the distance between beholder and the display screen; avoiding the beholder, thereby protect its eyesight too near display screen.
In one aspect of the invention, proposed a kind of control method, comprised step: the distance between sensing beholder and the screen; Based on described distance, the size of picture displayed on the described screen of real-time regulated.
According to one embodiment of present invention, this control method also comprises step; Based on described distance, the volume of the audio frequency that real-time regulated is associated with described picture.
According to one embodiment of present invention, the step of the size of described adjusting picture comprises: along with described distance diminishes, dwindle the size of described picture.
According to one embodiment of present invention, the step of the size of wherein said adjusting picture also comprises: along with described distance becomes big, reduce described picture.
According to one embodiment of present invention, the step of wherein said adjusting volume comprises: along with described distance diminishes, reduce volume.
According to one embodiment of present invention, wherein said volume regulating step also comprises: along with described distance becomes big, increase volume.
According to one embodiment of present invention, this control method is further comprising the steps of one of at least: increase background for the picture that has dwindled size, give brightness that the picture that has dwindled size increases frame, reduces picture along with dwindling of size, fog along with dwindling of size makes picture, along with the refreshing frequency that reduces picture of dwindling of size.
According to one embodiment of present invention, this control method further comprising the steps of in accordingly one of at least: the refreshing frequency of when picture dimension is maximum, removing described background, when picture dimension is maximum, removing described frame, reduce the brightness of picture, make picture become clear, increase picture along with the increase of size along with the increase of size along with the increase of size.
According to one embodiment of present invention, wherein regulate the size of picture: h based on following formula
2/ h
1=r* (d
2/ d
1), wherein, r is the value that sets in advance, h
1And d
1Represent the height of first moment picture and the distance between beholder and the screen respectively, and h
2And d
2Represent the height of second moment picture and the distance between beholder and the screen respectively.
In another aspect of this invention, proposed a kind of control appliance, having comprised: the distance sensing device is used for the distance between sensing beholder and the screen; Control device is used for based on described size apart from picture displayed on the described screen of real-time regulated.
Another aspect of the present invention is to use the image system of this control appliance.
Utilize above-mentioned configuration of the present invention, when children gradually when the screen, the size of picture displayed will reduce along with reducing of viewing distance on the screen, impel the beholder to have to viewing distance is remained within the reasonable range, and do not interrupt the demonstration of picture like this, make it possible to keep the continuity of watching.
Description of drawings
Below in conjunction with the detailed description of accompanying drawing, will make above and other objects of the present invention, advantage and feature more obvious, wherein:
Fig. 1 is the schematic diagram that is used for describing controlling party ratio juris of the present invention;
Fig. 2 A-2E is the schematic diagram that is used for demonstrating control method of the present invention;
Fig. 3 is the schematic diagram that is used for illustrating an application of control method of the present invention;
Fig. 4 shows the block diagram according to the control appliance of one embodiment of the present invention;
Fig. 5 shows the block diagram of the applied image system of control appliance as shown in Figure 4; And
Fig. 6 shows the block diagram of a variant of control appliance as shown in Figure 4.
Embodiment
Present invention is described below with reference to illustrative embodiments.Person of skill in the art will appreciate that, but the teaching of many replaceability execution modes the application of the invention realizes that and the present invention is not limited to the illustrative embodiments as task of explanation.
[principle]
Fig. 1 is the schematic diagram that is used for describing controlling party ratio juris of the present invention.As shown in Figure 1, represent viewing distance between beholder and the display screen apart from d; Apart from d
0The threshold distance of the viewing distance between expression beholder and the display screen that is to say, as d＜d
0The time, shown picture begins to change on the screen.
In addition, h represents the height of picture displayed on the screen, and h
0The original height of picture displayed, just Zui Da height on the expression screen.A represents the visual angle of picture displayed on the screen, and a
0Expression and height h
0Corresponding visual angle.
When the beholder when the display screen, the visual angle of the image of demonstration should reduce, just a＜a
0And if the beholder continues near display screen, a is more and more littler at the visual angle,, works as d that is
2＜d
1The time, a
2＜a
1,
Therefore:
h
2/d
2＜h
1/d
1，
That is:
h
2/h
1＜d
2/d
1
Here, r is called the visual angle reduction rate, then:
h
2/h
1＝r*(d
2/d
1)(r＜1)
Note d
0With r be the value that sets in advance, and can make amendment according to user's custom.
Fig. 2 A-2E is the schematic diagram that is used for demonstrating control method of the present invention.Fig. 2 A shows original full frame picture.But given here only is an example.In actual applications, the picture of actual play is dynamic motion picture, rather than tableaux.
Fig. 2 B shows the raw frames shown in Fig. 2 A and is fallen back on situation at a distance, has wherein added background (being the night sky) and frame here around the picture that dwindles, thereby has increased the 3-D effect of display frame.In addition, in the process that picture dimension is diminished gradually, can reduce the brightness of picture or picture is thickened, thereby make the beholder feel that picture is mobile backward.
Fig. 2 C and 2D show Fig. 2 B described to dwindle picture further reduced, make the beholder feel that this picture falls back on the situation in a distant place length by length.Fig. 2 E shows the situation that falls back on the farthest when picture.
Fig. 3 is the schematic diagram that is used for illustrating an application of control method of the present invention.As everyone knows, 1～3 years old children are willing to be intended to arbitrarily walk about in the room, do they want to do anything.For example children often watch TV programme near video screen, and this is not a good custom, because can their eyes be damaged near screen often.Though propose in the patent documentation 5 television receiver is directly closed, then caused disagreeableness problem and program to show the problem of interrupting.
But, according to control method of the present invention, in case the distance between children and the display screen has reached predetermined threshold value, for example less than 3m (this moment, the visual angle was 15 degree), then the size with picture displayed on the screen reduces, and increases 3-D effect, makes the beholder feel that this picture is away from him.
If the beholder continues near display screen, for example reached 1.5m (this moment, the visual angle was 10 degree), the size that then continues to dwindle shown picture.But if the beholder returns, then the size of picture displayed becomes big gradually and becomes clear, thereby impels children to have to the distance between he and the display screen is remained on a suitable scope.
In addition, in the process of the size decreases of picture displayed, picture is thickened or deepening or add frame for the picture that dwindles or reduce the refreshing frequency of picture.In the picture displayed size becomes big process, can make picture become clear or brighten or remove the frame of picture or increase the refreshing frequency of picture.If picture increases to original size, then every display parameters of picture also revert to the display parameters of original picture.
In addition, can be in the process that changes picture dimension, the display background picture, also can in the process that changes picture dimension, change volume, for example, along with picture displayed retreats, the volume of the audio frequency that interrelates with this picture diminishes, and close along with picture displayed, and the volume of the audio frequency that interrelates with this picture becomes big.Can further increase 3-D effect like this.
In addition, definite Radio Measurement method that can adopt such as RSSI of the distance between beholder and the display screen, ultrasound locating method and laser distance measurement method or the like.
[structure]
Fig. 4 shows the block diagram according to the control appliance of one embodiment of the present invention.As shown in Figure 4, the control appliance according to the embodiment of the invention comprises: display part 200 is used for showing and wants picture displayed; Distance sensing unit 180, it is used to utilize the Radio Measurement method such as RSSI, the distance between ultrasound locating method and laser distance measurement method or the like sensing beholder and the display screen; Controller 160, it is according to size and other display effect apart from real-time regulated display part shown picture on display screen between beholder and the display screen.
When the beholder when the display screen, controller 160 dwindles shown picture, make the beholder feel picture just away from him, and when the beholder return, controller progressively reverts to original size with picture displayed.
In the process of the size decreases of picture displayed, controller 160 can make picture thicken or deepening or add frame for the picture that dwindles or reduce the refreshing frequency of picture.In the picture displayed size became big process, controller 160 can make picture become clear or brighten or remove the frame of picture or increase the refreshing frequency of picture.If picture increases to original size, then every display parameters of picture also revert to the display parameters of original picture.
Fig. 5 shows the block diagram of the applied image system of control appliance as shown in Figure 4.
As shown in Figure 5, comprise from the tuner 110 of antenna or cable reception A/V input according to the applied image system of the control appliance of the embodiment of the invention.Tuner 110 extracts audio signal from the A/V input that receives and vision signal sends to audio treatment unit 120 and video processing unit 140 respectively.
Then, audio treatment unit 120 is handled the audio signal that receives under the control of controller 160, by loud speaker 130 outputs.On the other hand, video processing unit 140 is handled vision signal under the control of controller 160, shows corresponding picture by display unit 150.
In addition, remote-control-signal reception unit 170 is connected with controller 160, receives the control command of sending from remote controller 190, and then is controlled according to these control commands by controller 160, for example regulates volume, channel selection or the like.
Scheme described above is that distance sensing unit 180 is closer with control device, and situation about connecting in wired mode is for example in television receiver, perhaps in the set-top box.But the present invention also can be applied in the projector.
Under the situation of projector, because the distance between screen and the projector's main body is distant, and distance sensing unit 180 is installed on the precalculated position of screen, and this need adopt wireless mode to carry out the transmission of distance signal.
Fig. 6 shows the block diagram of a variant of control appliance as shown in Figure 4.As shown in Figure 6, distance sensing unit 180 be connected with wireless signal transmitting element 181, the distance of its sensing is sent to the wireless signal receiving element 161 that is connected with controller 160 wirelessly.After wireless signal receiving element 161 receives this distance signal, convert the corresponding digital value to, carry out picture for controller and regulate the processing use.
Clearly, the present invention is not limited to above-mentioned execution mode, under the situation that does not depart from scope and spirit of the present invention, can make amendment and changes these execution modes.
Claims (19)
1. control method comprises step:
Distance between sensing beholder and the screen; And
Based on described distance, the size of picture displayed on the described screen of real-time regulated.
2. control method as claimed in claim 1 also comprises step;
Based on described distance, the volume of the audio frequency that real-time regulated is associated with described picture.
3. control method as claimed in claim 1 or 2, the step of the size of wherein said adjusting picture comprises:
Along with described distance diminishes, dwindle the size of described picture.
4. control method as claimed in claim 3, the step of the size of wherein said adjusting picture also comprises:
Along with described distance becomes big, increase the size of described picture.
5. control method as claimed in claim 2, the step of wherein said adjusting volume comprises:
Along with described distance diminishes, reduce volume.
6. control method as claimed in claim 5, wherein said volume regulating step also comprises:
Along with described distance becomes big, increase volume.
7. control method as claimed in claim 3, further comprising the steps of one of at least:
Increase background for the picture dwindled size, give brightness that the picture that has dwindled size increases frame, reduces picture along with dwindling of size, fog along with dwindling of size makes picture, along with the refreshing frequency that reduces picture of dwindling of size.
8. control method as claimed in claim 4, further comprising the steps of one of at least:
The refreshing frequency of when picture dimension is maximum, removing described background, when picture dimension is maximum, removing described frame, increase the brightness of picture, make picture become clear, increase picture along with the increase of size along with the increase of size along with the increase of size.
9. control method as claimed in claim 3, the size of wherein regulating picture based on following formula:
h
2/h
1＝r*(d
2/d
1)
Wherein, r is the value that sets in advance, h
1And d
1Represent the height of first moment picture and the distance between beholder and the screen respectively, and h
2And d
2Represent the height of second moment picture and the distance between beholder and the screen respectively.
10. control appliance comprises:
The distance sensing device is used for the distance between sensing beholder and the screen; And
Control device is used for based on described size apart from picture displayed on the described screen of real-time regulated.
11. control appliance as claimed in claim 10, wherein said control device be based on described distance, the volume of the audio frequency that real-time regulated is associated with described picture.
12. as claim 10 or 11 described control appliances, wherein, along with described distance diminishes, described control device dwindles the size of described picture.
13. control appliance as claimed in claim 12, wherein along with described distance becomes big, described control device increases the size of described picture.
14. control appliance as claimed in claim 11, wherein along with described distance diminishes, described control device reduces the volume of described audio frequency.
15. control appliance as claimed in claim 14, wherein along with described distance becomes big, described control device increases the volume of described audio frequency.
16. control appliance as claimed in claim 12, wherein said control device are carried out following actions one of at least:
Give the picture dwindled size increase background, give the picture that has dwindled size increase frame, reduced the picture of size brightness, make the picture that has dwindled size fog, reduce the refreshing frequency of the picture that has dwindled size.
17. control appliance as claimed in claim 13, wherein said control device are also carried out following action one of at least:
The refreshing frequency of when picture dimension is maximum, removing described background, when picture dimension is maximum, removing described frame, increase the brightness of picture, make picture become clear, increase picture along with the increase of size along with the increase of size along with the increase of size.
18. control appliance as claimed in claim 12, the size of wherein regulating picture based on following formula:
h
2/h
1＝r*(d
2/d
1)
Wherein, r is the value that sets in advance, h
1And d
1Represent the height of first moment picture and the distance between beholder and the screen respectively, and h
2And d
2Represent the height of second moment picture and the distance between beholder and the screen respectively.
19. image system that comprises control appliance as claimed in claim 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100844462A CN101079972A (en) | 2006-05-24 | 2006-05-24 | Control method, control device and image system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100844462A CN101079972A (en) | 2006-05-24 | 2006-05-24 | Control method, control device and image system |
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| CN102169667A (en) * | 2010-02-26 | 2011-08-31 | 纬创资通股份有限公司 | Driving device, driving method and flat panel display |
| CN102402971A (en) * | 2010-09-08 | 2012-04-04 | 夏普株式会社 | Multi-display apparatus |
| CN102611855A (en) * | 2011-01-19 | 2012-07-25 | 宏碁股份有限公司 | Display device and method for dynamically adjusting display data |
| CN103002349A (en) * | 2012-12-03 | 2013-03-27 | 深圳创维数字技术股份有限公司 | Adaptive adjustment method and device for video playing |
| CN104125495A (en) * | 2013-04-25 | 2014-10-29 | 鸿富锦精密工业（深圳）有限公司 | Screen size adjustment system and method |
| CN104320714A (en) * | 2014-11-19 | 2015-01-28 | 京东方科技集团股份有限公司 | Display device and display regulation method thereof |
| CN104461434A (en) * | 2014-12-19 | 2015-03-25 | 深圳创维－Rgb电子有限公司 | Screen display size adjusting method and device |
| CN105451093A (en) * | 2015-11-05 | 2016-03-30 | 小米科技有限责任公司 | Method and apparatus for adjusting visual area of screen |
| US9442562B2 (en) | 2011-05-27 | 2016-09-13 | Dolby Laboratories Licensing Corporation | Systems and methods of image processing that adjust for viewer position, screen size and viewing distance |
| CN106033254A (en) * | 2015-03-13 | 2016-10-19 | 昆达电脑科技(昆山)有限公司 | Method of using wearable control device to remotely control mobile device |
| CN106303491A (en) * | 2015-05-27 | 2017-01-04 | 深圳超多维光电子有限公司 | Image processing method and device |
| CN106303492A (en) * | 2015-05-27 | 2017-01-04 | 深圳超多维光电子有限公司 | Method for processing video frequency and device |
| CN106919246A (en) * | 2015-12-24 | 2017-07-04 | 北京奇虎科技有限公司 | The display methods and device of a kind of application interface |
| CN107454324A (en) * | 2017-08-04 | 2017-12-08 | 维沃移动通信有限公司 | One kind is taken pictures method for previewing and mobile terminal |
| CN110032027A (en) * | 2018-01-12 | 2019-07-19 | 京东方科技集团股份有限公司 | Projection arrangement and electronic device |
| WO2020177058A1 (en) * | 2019-03-04 | 2020-09-10 | 深圳迈瑞生物医疗电子股份有限公司 | Control method for output device of medical equipment, patient monitor system and patient monitor equipment |
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- 2006-05-24 CN CNA2006100844462A patent/CN101079972A/en active Pending
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| CN102169667A (en) * | 2010-02-26 | 2011-08-31 | 纬创资通股份有限公司 | Driving device, driving method and flat panel display |
| CN102402971A (en) * | 2010-09-08 | 2012-04-04 | 夏普株式会社 | Multi-display apparatus |
| CN102611855A (en) * | 2011-01-19 | 2012-07-25 | 宏碁股份有限公司 | Display device and method for dynamically adjusting display data |
| US9442562B2 (en) | 2011-05-27 | 2016-09-13 | Dolby Laboratories Licensing Corporation | Systems and methods of image processing that adjust for viewer position, screen size and viewing distance |
| CN103002349A (en) * | 2012-12-03 | 2013-03-27 | 深圳创维数字技术股份有限公司 | Adaptive adjustment method and device for video playing |
| CN104125495A (en) * | 2013-04-25 | 2014-10-29 | 鸿富锦精密工业（深圳）有限公司 | Screen size adjustment system and method |
| CN104320714A (en) * | 2014-11-19 | 2015-01-28 | 京东方科技集团股份有限公司 | Display device and display regulation method thereof |
| CN104461434A (en) * | 2014-12-19 | 2015-03-25 | 深圳创维－Rgb电子有限公司 | Screen display size adjusting method and device |
| CN104461434B (en) * | 2014-12-19 | 2018-09-04 | 深圳创维－Rgb电子有限公司 | Adjust the method and device of screen display size |
| CN106033254A (en) * | 2015-03-13 | 2016-10-19 | 昆达电脑科技(昆山)有限公司 | Method of using wearable control device to remotely control mobile device |
| CN106303491A (en) * | 2015-05-27 | 2017-01-04 | 深圳超多维光电子有限公司 | Image processing method and device |
| CN106303492A (en) * | 2015-05-27 | 2017-01-04 | 深圳超多维光电子有限公司 | Method for processing video frequency and device |
| CN105451093A (en) * | 2015-11-05 | 2016-03-30 | 小米科技有限责任公司 | Method and apparatus for adjusting visual area of screen |
| CN105451093B (en) * | 2015-11-05 | 2019-03-22 | 小米科技有限责任公司 | The method and apparatus for adjusting screen viewing area domain |
| CN106919246A (en) * | 2015-12-24 | 2017-07-04 | 北京奇虎科技有限公司 | The display methods and device of a kind of application interface |
| CN107454324A (en) * | 2017-08-04 | 2017-12-08 | 维沃移动通信有限公司 | One kind is taken pictures method for previewing and mobile terminal |
| CN110032027A (en) * | 2018-01-12 | 2019-07-19 | 京东方科技集团股份有限公司 | Projection arrangement and electronic device |
| WO2020177058A1 (en) * | 2019-03-04 | 2020-09-10 | 深圳迈瑞生物医疗电子股份有限公司 | Control method for output device of medical equipment, patient monitor system and patient monitor equipment |
| CN111816139A (en) * | 2020-06-17 | 2020-10-23 | 维沃移动通信有限公司 | Screen refresh rate switching method and electronic equipment |
| CN111816139B (en) * | 2020-06-17 | 2022-05-17 | 维沃移动通信有限公司 | Screen refresh rate switching method and electronic equipment |
| CN112068512A (en) * | 2020-08-13 | 2020-12-11 | 北京小米移动软件有限公司 | Device control method, device control apparatus, and storage medium |
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