CN101820553B - Anti-interference method of system of stereoscopic glasses - Google Patents
Anti-interference method of system of stereoscopic glasses Download PDFInfo
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- CN101820553B CN101820553B CN2010101743408A CN201010174340A CN101820553B CN 101820553 B CN101820553 B CN 101820553B CN 2010101743408 A CN2010101743408 A CN 2010101743408A CN 201010174340 A CN201010174340 A CN 201010174340A CN 101820553 B CN101820553 B CN 101820553B
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Abstract
The invention relates to a 3D stereoscopic display technology, in particular to an anti-interference method of a system of stereoscopic glasses. The invention discloses the anti-interference method of the system of the stereoscopic glasses for solving the problem that the interference is caused by the same codes among a plurality of display devices when adopting the stereoscopic glasses for watching a video. The key points of the technical scheme can be summarized as follows: identification codes are increased in a synchronous signal transmitter and the stereoscopic glasses, the stereoscopic glasses firstly read the identification code emitted by the synchronous signal transmitter and judge whether the identification code is the same with the current identification code set by the stereoscopic glasses or not when receiving synchronous signals, if so, the synchronous signals are analyzed, and a control signal is generated for carrying out on-off control on a left lens and a right lens of the stereoscopic glasses, if not, no treatment is carried out. The anti-interference method has the benefit of preventing causing the mutual interference among the synchronous signals emitted by the stereoscopic glasses when the plurality of display devices exist simultaneously.
Description
Technical field
The present invention relates to the 3D stereo display technique, relate to the jamming-proof method of stereo glasses system specifically.
Background technology
Stereo display technique has become the TV tech Development Trend, and that time division way shows is simple because of system configuration, effect is outstanding, with low cost, has become the mainstream technology in stereo display field.The time-division display mode is to transmit the right and left eyes image by turns with certain speed; Video picture end image of two about showing in turn on the display screen; The beholder need wear a secondary crystal glasses (being designated hereinafter simply as anaglyph spectacles), and the synchronizing signal control that anaglyph spectacles is sent by special use infrared (wireless) synchronous signal transmitter (being designated hereinafter simply as reflector) is when left-eye image shows; The liquid crystal printing opacity of left eye, the liquid crystal of right eye is light tight; On the contrary, when eye image shows, have only the liquid crystal printing opacity of right eye, right and left eyes is seen two width of cloth different images that parallax is arranged, and handles through remarkable brain, forms three-dimensional image.Present three-dimensional display system infrared (wireless) modes that adopt are launched transmission, are received and handle synchronizing signal more, and every display device is equipped with a reflector, and all anaglyph spectacleses of the signal that any one reflector is launched can both receive processing.More for ease people watch simultaneously, and the signal space angle of coverage of reflector emission is all bigger, and this is very favourable under the situation that a display device is only arranged.But situation will worsen when many display device co-operation.For example there are two display device A and B to play simultaneously in same room; But the phase place of the synchronizing signal that it is launched is different; Anaglyph spectacles will receive two synchronizing signals simultaneously; The eyeglass switching signal that produces after treatment is the stack of two synchronizing signals, and is asynchronous with the image of actual displayed.It shows as two width of cloth images about eyes have been seen simultaneously, and the image of seeing has ghost image, has promptly produced interference between the display device.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of stereo glasses system jamming-proof method, solve when adopting anaglyph spectacles to watch video in the conventional art because of the identical problem that produces interference of coding between a plurality of display devices.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: the jamming-proof method of stereo glasses system may further comprise the steps:
A. in each synchronous signal transmitter, increase unique identification code respectively;
B. in anaglyph spectacles, increase the different identification code of N group, N＞2 and be integer;
C. synchronous signal transmitter is encoded to synchronizing signal, launches the synchronizing signal of utilizing after its identification code is encoded;
D. anaglyph spectacles receives synchronizing signal, and reads the identification code in this synchronizing signal;
E. whether the identification code that separates out of judge is identical with the identification code of anaglyph spectacles Set For Current, is execution in step f then, otherwise disregards;
F. resolve this synchronizing signal, utilize the switch of the control signal control anaglyph spectacles left and right sides eyeglass that generates.
Among the said step c, following to the mode of synchronizing signal coding: on low level signal, insert X narrow negative pulse continuously, it is synchronous that time and the synchronizing signal of inserting first narrow negative pulse converts low level change-over time into by high level; On high level signal, insert a wide negative pulse, time and the synchronizing signal of inserting wide negative pulse is that change-over time of high level is synchronous by low transition, and X is the numbering of identification code.
The invention has the beneficial effects as follows: when having prevented that many display devices from existing simultaneously, the synchronizing signal that the stereo glasses send causes interference each other.
Description of drawings
Fig. 1 is a method flow diagram of the present invention;
Fig. 2 is to synchronizing signal coding sketch map among the embodiment.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is done further description.
The present invention proposes the jamming-proof method of a kind of stereo glasses system, solves when adopting anaglyph spectacles to watch video in the conventional art because of the identical problem that produces interference of coding between a plurality of display devices.Compare with conventional art; Inventive point of the present invention is: in synchronous signal transmitter and anaglyph spectacles, all increase identification code; Whether anaglyph spectacles reads the identification code that synchronous signal transmitter sends earlier when receiving synchronizing signal identical with the identification code of current anaglyph spectacles setting; If identical then resolve synchronizing signal and generate control signal stereo glasses left and right sides eyeglass and carry out switch control, otherwise disregard, interference effectively avoided.
As shown in Figure 1, its concrete scheme may further comprise the steps: a. increases unique identification code respectively in each synchronous signal transmitter; B. in anaglyph spectacles, increase the different identification code of N group, N＞2 and be integer; C. synchronous signal transmitter is encoded to synchronizing signal, launches the synchronizing signal of utilizing after its identification code is encoded; D. anaglyph spectacles receives synchronizing signal, and reads the identification code in this synchronizing signal; E. whether the identification code that separates out of judge is identical with the identification code of anaglyph spectacles Set For Current, is execution in step f then, otherwise disregards; F. resolve this synchronizing signal, utilize the switch of the control signal control anaglyph spectacles left and right sides eyeglass that generates.
Embodiment:
The jamming-proof method of anaglyph spectacles in this example is accomplished by following steps: at first need unique identification code be set respectively to each synchronous signal transmitter; If indoor have a N platform display device; The different identification code of N kind is so just arranged, and again that this N kind is different identification codes are stored in the stereo glasses system.Synchronous signal transmitter is before the emission synchronizing signal; Utilize its identification code that synchronizing signal is encoded earlier; Can adopt a kind of coded system as shown in Figure 2: on low level signal, insert continuously X narrow negative pulse, it is synchronous that time and the synchronizing signal of inserting first narrow negative pulse converts low level change-over time into by high level; On high level signal, insert a wide negative pulse, time and the synchronizing signal of inserting wide negative pulse is that change-over time of high-low level is synchronous by low transition, and X is the numbering of identification code.The identification code that comprises in the signal that anaglyph spectacles can obtain receiving through the number that reads narrow negative pulse.Synchronous signal transmitter is launched through after the synchronizing signal behind the coding; Anaglyph spectacles receives synchronizing signal; And read the identification code that wherein comprises, judge whether this identification code the same with the identification code that current anaglyph spectacles is provided with, if synchronizing signal would be resolved; Generate synchronous control signal the switch of left and right sides eyeglass is controlled, the user just can see the stereoscopic video images on the display device corresponding with this synchronous signal transmitter; If the identification code that this identification code and current anaglyph spectacles are provided with is different, then anaglyph spectacles is disregarded this synchronizing signal, so just can effectively prevent to disturb.The identification code of user on can the stereo glasses is provided with the stereoscopic video images that just can watch on other display device.
Claims (1)
1. the jamming-proof method of stereo glasses system is characterized in that: may further comprise the steps:
A. in each synchronous signal transmitter, increase unique identification code respectively;
B. in anaglyph spectacles, increase the different identification code of N group, N＞2 and be integer;
C. synchronous signal transmitter is encoded to synchronizing signal, launches the synchronizing signal of utilizing after its identification code is encoded;
D. anaglyph spectacles receives synchronizing signal, and reads the identification code in this synchronizing signal;
E. whether the identification code that separates out of judge is identical with the identification code of anaglyph spectacles Set For Current, is execution in step f then, otherwise disregards;
F. resolve this synchronizing signal, utilize the switch of the control signal control anaglyph spectacles left and right sides eyeglass that generates;
Among the said step c, following to the mode of synchronizing signal coding: on low level signal, insert X narrow negative pulse continuously, it is synchronous that time and the synchronizing signal of inserting first narrow negative pulse converts low level change-over time into by high level; On high level signal, insert a wide negative pulse, time and the synchronizing signal of inserting wide negative pulse is that change-over time of high level is synchronous by low transition, and X is the numbering of identification code.
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| CN2010101743408A CN101820553B (en) | 2010-05-18 | 2010-05-18 | Anti-interference method of system of stereoscopic glasses |
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| CN2010101743408A CN101820553B (en) | 2010-05-18 | 2010-05-18 | Anti-interference method of system of stereoscopic glasses |
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| CN101820553A CN101820553A (en) | 2010-09-01 |
| CN101820553B true CN101820553B (en) | 2012-01-25 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102740087A (en) * | 2011-04-06 | 2012-10-17 | 云南北方奥雷德光电科技股份有限公司 | Active 3d glasses |
| CN102209253A (en) * | 2011-05-12 | 2011-10-05 | 深圳Tcl新技术有限公司 | Stereo display method and stereo display system |
| CN102404596A (en) * | 2011-11-15 | 2012-04-04 | 康佳集团股份有限公司 | Anti-interference method of shutter stereo glasses system |
Citations (4)
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| CN1375725A (en) * | 2001-03-15 | 2002-10-23 | 矽统科技股份有限公司 | Shielding signal generator for stereo liquid crystal spectacles |
| US6529175B2 (en) * | 2000-01-27 | 2003-03-04 | Vrex, Inc. | Stereoscopic LCD shutter glass driver system |
| US6687399B1 (en) * | 2000-08-03 | 2004-02-03 | Silicon Integrated Systems Corp. | Stereo synchronizing signal generator for liquid crystal shutter glasses |
| CN101547371A (en) * | 2008-03-24 | 2009-09-30 | 三星电子株式会社 | Method for generating signal to display three-dimensional (3d) image and image display apparatus using the same |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6529175B2 (en) * | 2000-01-27 | 2003-03-04 | Vrex, Inc. | Stereoscopic LCD shutter glass driver system |
| US6687399B1 (en) * | 2000-08-03 | 2004-02-03 | Silicon Integrated Systems Corp. | Stereo synchronizing signal generator for liquid crystal shutter glasses |
| CN1375725A (en) * | 2001-03-15 | 2002-10-23 | 矽统科技股份有限公司 | Shielding signal generator for stereo liquid crystal spectacles |
| CN101547371A (en) * | 2008-03-24 | 2009-09-30 | 三星电子株式会社 | Method for generating signal to display three-dimensional (3d) image and image display apparatus using the same |
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