CN1897672A - Multimedia interface input method for conversing high resolution in tv - Google Patents
Multimedia interface input method for conversing high resolution in tv Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000005236 sound signal Effects 0.000 claims abstract description 8
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 230000000737 periodic effect Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 230000006870 function Effects 0.000 description 11
- GJWAPAVRQYYSTK-UHFFFAOYSA-N [(dimethyl-$l^{3}-silanyl)amino]-dimethylsilicon Chemical compound C[Si](C)N[Si](C)C GJWAPAVRQYYSTK-UHFFFAOYSA-N 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009131 signaling function Effects 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
- H04N21/4424—Monitoring of the internal components or processes of the client device, e.g. CPU or memory load, processing speed, timer, counter or percentage of the hard disk space used
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/4227—Providing Remote input by a user located remotely from the client device, e.g. at work
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
- H04N21/43632—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wired protocol, e.g. IEEE 1394
- H04N21/43635—HDMI
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/485—End-user interface for client configuration
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/63—Generation or supply of power specially adapted for television receivers
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Databases & Information Systems (AREA)
- Human Computer Interaction (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention discloses a multimedia interface input method for conversing high resolution in TV comprising: periodically detecting input of a 5V power supply, when input of the 5V power supply being detected, outputting a HDP signal to a media input device; estimating termination of a HDCP attestation of the media input device being normal or not; if termination of the HDCP attestation of the media input device being normal, judging a video signal inputted by the media input device being normal or not; if the video signal inputted by the media input device being normal, determing a MDHI mode being selected by user or not; and if the MDHI mode being selected by user, outputting the inputted video/audio signal. This invention can shorten the time for displaying an image as same as that of other input by operating a remote controller to switch the media device to the MDHI mode.
Description
One, technical field
The invention relates to be converted to the HDMI pattern by user's remote controller after, the time that display frame is required foreshortens to the method that is converted to HDMI input source in TV with the time peer-level of other inputs source.
Two, background technology
Digital system is day by day complicated recently, in the multiple outside input mode of existing digital system, and the trend that the input mode of high resolution multimedia interface (High-Definition Multimedia Interface is called for short HDMI) is tending towards increasing gradually.HDMI be from before the further interface of upgrading DVI (the Digital Visual Interface Digital Video Interactive) mode of benchmark, if DVI is the words that only transmit digital video, HDMI is the input instrument that digital video and digital audio and additional information are transmitted by an interface so, though be to link to each other with the DTV system with independent audio interface by the DVI interface, but since the appearance of this new interface of HDMI, the feasible trend that most input instrument is sported HDMI by DVI.
The general medium input device (Media sourceDevice) of multi-medium data (MediaDate) being regenerated and handling with in this Media source Device, obtain Media Date after the media sync device (Media Sync Device) of the similar DTV that outwards exports carry out mutual being connected by fixed Media interface line with the HDMI line.
When if the user is converted to the HDMI pattern by remote controller, the concrete logic that Media Sync Device is relevant at the very start starts.That is, the HDMI IC of Media Sync Device remains on the state of non-active (non active) earlier, when being converted into the HDMI pattern as if the user, then activates HDMI IC.Follow above-mentioned Media Sync Device and give above-mentioned HDMI IC input set point.
So, above-mentioned Media Sync Device above-mentioned Media SyncDevice when being connected with the function of plug and play detected the having or not periodically of HPD signal of automatic input.
That is, if when being connected to Media source Device, above-mentioned Media Sync Device will avoid the signal of importing into from the power pins of+5V, directly the HPD signal be exported.
The 18th pin of HDMI connector is+the 5V power pins that the 19th pin is HPD (Hot Plug Detect) pin.Above-mentioned+5V power pins is provided by the source instrument, in Media Sync Device, be the pin of input pattern, the HPD pin is the pin of the output mode among the Media Sync Device, is the signal that reflection Media Sync Device has been in the state that can receive HDMI or DVI.
When HPD is high, then expression be in can received signal state, if when low, also do not carry out the preparation of received signal in expression.
When above-mentioned Media Sync Device is connected with Media source Device, after Media source Device detects HPD signal by Media Sync Device output, carry out the existence whether identification of the Media Sync Device that is connected with oneself.
Add that above-mentioned Media source Device is a specifying information of discerning Media Sync Device by the EDID from Media Sync Device output, utilize the above-mentioned information of having discerned with the environment that Media Date is converted to the demonstration that is suitable for MediaSync Device, transmit Media Sync Device by the TMDS mode that is called Panel Link.The producer ID that comprises manufacturer among the above-mentioned EDID, whether the manufacturing ID of the model name of expression product supports display device energy saver mode function and Timing information etc., wherein also comprises audio format (Format) information of Media Sync Device.Therefore Media source Device is by analyzing the audio frequency Format information that EDID learns Media Sync Device.
But be converted to the HDMI pattern as above-mentioned present user by remote controller, relevant concrete logic will be to restart, and therefore can have the problem of required change-over time than other input needs longer times.
Three, summary of the invention
Therefore, the purpose of this invention is to provide the method for changing the input of high resolution multimedia interface among a kind of TV, this method also periodically detects the HDMI signal under the pattern that is not HDMI, carries out HDCP authentication and relevant Date processing in advance.
Another purpose of the present invention is after being converted to the HDMI pattern by remote controller, will foreshorten to and other input required times mutually equal levels until the required time of display frame, thereby a kind of conversion method of HDMI input is provided to TV.
The objective of the invention is to be achieved through the following technical solutions:
The method of conversion high resolution multimedia interface input among a kind of TV is characterized in that: it comprises periodic detection and judges the input of 5V power supply, if when having detected the input of 5V power supply, gives the stage of an above-mentioned HPD signal of medium input device output; Judge that HDCP in the above-mentioned medium input device authenticates the stage of whether normal termination; If during normal termination, judge the vision signal that transmits by above-mentioned medium input device normal stage whether according to above-mentioned judged result HDCP; According to above-mentioned judged result vision signal just often, judge whether the user has selected the stage of HDMI pattern; And according to above-mentioned judged result if when having selected the HDMI pattern, with the stage of the above-mentioned video/audio signal of having imported output.
Among the present invention, judge whether the vision signal that is sent by above-mentioned Media source Device normally is meant to judge to whether the video Format information of above-mentioned vision signal and TV is corresponding.
According to above-mentioned judged result if selected the words of HDMI pattern, the above-mentioned video/audio signal of having imported output is meant earlier frame blanking to be fallen, then open the output port of HDMI receiving chip, end picture blanking then is with the above-mentioned video/audio signal of having imported output.
The effect that the present invention is useful is: can provide and will be converted to after the HDMI pattern method that the time that picture shows foreshortens to conversion high resolution multimedia interface input among the TV identical with required time of other input units by remote controller.
In addition, the present invention can also be provided at the pattern that is in beyond the HDMI, periodically detect the HDMI signal after, make it possible to carry out in advance the authentication of HDCP and the conversion method that relevant Data handles.
Four, description of drawings
Fig. 1 has adopted the schematic diagram that the media sync device is connected with medium input device of the present invention;
Fig. 2 has adopted the flow chart that is converted to the HDMI input method in the media sync device of the present invention.
The symbol description of accompanying drawing major part
100: medium input device (Media source Device)
110: media sync device (Media Sync Device)
115:HDMI Rx integrated circuit (HDMI Rx IC)
Five, embodiment
Below we will be with reference to the accompanying drawings and by adopting a representative instance of the present invention the present invention is described in detail.
Fig. 1 is for adopting the schematic diagram that Media Sync Device is connected with Media source Device of the present invention.
With reference to figure 1 as can be known, Media source Device (can export the Setup Box of HDMI or DVI, DVD player, the Media source Device of AV receiver etc.) 100 (for example is connected to Media Sync Device by the HDMI line, numeral TV SET) 110 o'clock, whether automatically periodic execution is existed the testing of importing the HPD signal of coming in according to function above-mentioned Media Sync Device110 when connecting of plug and play.
That is, when above-mentioned Media Sync Device110 is connected with Media source Device100,, directly export the HPD signal with the signal of walking around by the input of+5V power pins.The 18th pin is+the 5V power pins in the HDMI connector, and the 19th pin is HPD (Hot Plug Detect) pin.
Above-mentioned+5V power pins belongs to output in Media source Device100, be to belong to the input pattern pin in Media SyncDevice110, the HPD pin is to belong to the output mode pin in Media Sync Device110, provides Media Sync Device110 to be in the signal of the information of the state that can receive HDMI or DVI.
HPD for high then expression be in can received communication state, if low then expression also is not ready for received communication.
When above-mentioned Media Sync Device110 is connected with Media source Device100, Media sourceDevice100 will detect behind the HPD signal of Media Sync Device110 output, come the existence of definite Media Sync Device110 that is connected with oneself.That is, whether the periodic detection of Media Sync Device110 has the input of 5V power supply signal, if detect HPD signal of Media source Device100 output of then giving when the 5V power supply is imported into, opens the input port of HDMI Rx IC115.
Follow above-mentioned Media source Device100 discerns Media Sync Device110 by the EDID by Media Sync Device110 output specifying information, utilize the above-mentioned information that is recognized, display environment conversion Media Date according to Media SyncDevice110 is sent to Media SyncDevice110 by the TMDS mode that is called Panal Link.
Above-mentioned EDID comprises the producer ID of manufacturer, and whether the manufacturing ID of expression product type name supports the function of display device energy saver mode and Timing information etc., also comprises the audio/video Format information of Media Sync Device110 in addition especially.Therefore Media source Device100 can be by analyzing the audio/video Format information that EDID learns Media SyncDevice110.
Generally speaking, between the Media source Device100 and Media Sync Device110 that carry out HDMI communication, the Display Spec that the reception that Media source Device100 is autonomous is sent by Media Sync Device110, utilize the above-mentioned Display Spec that receives again, adjust picture ratio and resolution and output automatically according to the display environment of Media Sync Device110.
Above-mentioned Media Sync Device110 will confirm whether the HDMI line has been connected to Media source Device100.At this moment, above-mentioned Media Sync Device110 confirms whether be connected with Media sourceDevice100 by the HPD passage of HDMI line.
That is, above-mentioned Media Sync Device110 is by the HPD passage, if when having received the 5V signal, just is judged as the HDMI line and is connected with Media source Device100.
But when receiving the 0V signal by the HPD passage, above-mentioned Media Sync Device110 will judge that above-mentioned HDMI line does not link to each other with Media source Device100, and send the information of confirmation request.Above-mentioned Media SyncDevice110 confirms whether be connected with Media source Device100 by certain cycle.
The HDMI line links to each other with Media source Device100, and can carry out Date with Media source Device100 and communicate by letter, Media source Device100 is that the relevant information that obtains being provided with display environment will be invited to Media Sync Device110 by order wire.
The Media Sync Device110 that receives invitation signal will carry to the relevant information of display environment is set by order wire.Here, for information screen ratio is roughly arranged in the relevant information that display environment is set, resolution information and expression can be understood the content protecting removing function information of the regenerated signal function of secret signalization.
Above-mentioned Media Sync Device110 can transmit the information that the picture ratio is 4: 3 or 16: 9 by order wire; arbitrary information among 576i-1080p when 480i-1080p when resolution information is NTSC TV or PAL TV, and the signal that can transmit the content protecting removing function that whether has the regenerated signal function that to understand secret signalization.
If received the information of no content protecting removing function, that is, the Media Sync Device110 that reception can't be understood the regenerated signal of secret signalization will export interference signal by the HDMI line to above-mentioned Media source Device100 by order wire.
Above-mentioned Media source Device100 by order wire if when having received the information of meaningful protection removing function; promptly; the regenerated signal that receives secret signalization is the signal that can understand of Media Sync Device110 in addition; above-mentioned Mediasource Device 100 controls regenerated signal for changing according to display environment information of receiving by Media Sync Device110, and making it possible to corresponding is that resolution is carried out zoom ratio (scaling) by the received picture ratio of above-mentioned Media Sync Device110.
Next, above-mentioned Media source Device100 is sent to corresponding audio/video signal among the above-mentioned MediaSync Device110.Whether so, above-mentioned Media Sync Device110 normally judges laggard line output to the audio/video Date that is sent by above-mentioned Media sourceDevice100.
For method, will carry out specific description with reference to figure 2 as the Data transceiver between above-mentioned Media source Device100 that is connected and Media Sync Device110.
Fig. 2 is the flow chart that is converted to the HDMI input convertion method in adopting Media Sync Device of the present invention.
Describe with TV for Media Sync Device in the following description.
With reference to figure 2, TV is under the state of Power On, and stage S200 has judged whether the input of 5V power supply, stage S202.That is, whether above-mentioned TV periodically to there being the input of 5V power supply to judge, and utilizes its judged result to continue to judge whether Media source Device is in connection status by the HDMI power pins.
If the judged result of stage S202 has HDMI 5V power supply input, then above-mentioned TV gives above-mentioned HPD signal of Media sourceDevice output, stage S204, and open the input port of HDMI RX IC, stage S206.That is, above-mentioned TV will be that the notification signal one HPD signal that can receive the state of HDMI or DVI exports above-mentioned Media source Device to.So, above-mentioned Media source Device will be judged as above-mentioned TV and carry out the preparation that receives Data.
After stage S206 carry out to finish, above-mentioned TV will judge that HDCP (High-bandwidth Digital ContentProtection) authenticates whether normal termination, stage S208.
That is, Media source Device judge by TV receive for whether having the content protecting removing function in the information that display environment is set.According to above-mentioned judged result, if be judged as when having the content protecting removing function in the above-mentioned display environment, above-mentioned Media source Device transmits HDCP authentication ending message for above-mentioned TV.So, above-mentioned TV promptly is judged as HDCP and authenticates normal termination.
Above-mentioned TV authenticates to HDCP whether normal termination is judged with certain cycle (being exemplified as 2 seconds).
The judged result HDCP authentication result normal termination of stage S208, above-mentioned TV judges whether the vision signal that is received by above-mentioned Mediasource Device is normal, stage S210.
That is, above-mentioned Media source Device110 discerns the specifying information of TV by the EDID of TV output, utilizes the above-mentioned information of having discerned and according to the display environment conversion Media Data of TV, is sent to TV by the TMDS mode that is called Panel Link.
Comprise the producer ID that represents manufacturer among the above-mentioned EDID, the manufacturing ID of expression product type name, whether support the function of display device energy saver mode and Timing information etc., wherein also contain the audio/video Format information of Media Sync Device100.
So Media source Device110 is by analyzing the video Format information that EDID learns above-mentioned TV, and utilize this video Format information, with corresponding video signals be converted to above-mentioned Format information information corresponding after export above-mentioned TV to.So, thus whether above-mentioned TV will conform to the video Format information of oneself to the above-mentioned vision signal of having exported and judge whether vision signal normal.
If the judged result of stage S210 is above-mentioned vision signal is normal, and so above-mentioned TV will judge whether corresponding pattern is converted to the HDMI pattern, stage S212.That is, above-mentioned TV will judge that whether present user is watching TV, has still selected the HDMI pattern as DVD.
If the judged result of stage S212 is above-mentioned TV when being converted to the HDMI pattern, above-mentioned TV hides picture (mute), stage S214, open the output port of HDMI RX IC after, stage S216 removes picture again and hides (mute), stage S218.
Next, the video/audio signal that above-mentioned TV will receive by above-mentioned input port is exported stage S218 by above-mentioned output port.
As mentioned above, above-mentioned TV is not periodically detecting the HDMI signal under the pattern of HDMI yet, handles thereby can carry out the promptly relevant Data of HDCP authentication in advance.
By the content of above explanation, those skilled in the art can carry out various change and modification in the scope that does not depart from the technology of the present invention thought.Therefore, technical scope of the present invention is not limited to the content of putting down in writing among the embodiment, and must be determined by claims.
Claims (4)
1, the method for conversion high resolution multimedia interface input among a kind of TV, it is characterized in that: it comprises periodic detection and judges the input of 5V power supply, if when having detected the input of 5V power supply, gives the stage of an above-mentioned HPD signal of medium input device output; Judge that HDCP in the above-mentioned medium input device authenticates the stage of whether normal termination; If during normal termination, judge the vision signal that transmits by above-mentioned medium input device normal stage whether according to above-mentioned judged result HDCP; According to above-mentioned judged result vision signal just often, judge whether the user has selected the stage of HDMI pattern; And according to above-mentioned judged result if when having selected the HDMI pattern, with the stage of the above-mentioned video/audio signal of having imported output.
2, the method for conversion high resolution multimedia interface input among the TV according to claim 1, it is characterized in that: whether the vision signal that judgement is transmitted by above-mentioned medium input device normally refers to is judged whether above-mentioned vision signal conforms to the video format information of TV.
3, the method for conversion high resolution multimedia interface input among the TV according to claim 1, it is characterized in that: according to above-mentioned judged result if when having selected the HDMI pattern, referring to according to above-mentioned judged result with the output of the above-mentioned video/audio signal of having imported if when having selected the HDMI pattern, earlier picture is hidden, after opening the output port of HDMI reception IC then, remove picture again and hide, then with the above-mentioned video/audio signal of having imported output.
4, the method for conversion high resolution multimedia interface input among the TV according to claim 1, it is characterized in that: judge periodically whether above-mentioned 5V power supply is imported, if when having detected the input of 5V power supply, the stage of exporting a HPD signal for above-mentioned medium input device also comprises opens the stage that HDMI receives the input port of IC.
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KR1020050077504 | 2005-08-23 | ||
KR10-2005-0077504 | 2005-08-23 | ||
KR1020050077504A KR100722025B1 (en) | 2005-08-23 | 2005-08-23 | Method for converting HDMI inptu source in TV |
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CN1897672A true CN1897672A (en) | 2007-01-17 |
CN100435574C CN100435574C (en) | 2008-11-19 |
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Cited By (4)
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CN101552896B (en) * | 2008-04-02 | 2011-06-15 | 佳能株式会社 | Video control apparatus and control method thereof |
CN101365074B (en) * | 2007-08-06 | 2011-07-06 | 联发科技股份有限公司 | Video apparatus capable of outputting osd data through unauthorized output path |
CN104539866A (en) * | 2014-12-05 | 2015-04-22 | 中国航空工业集团公司第六三一研究所 | High robustness format fault-tolerant self-adaptive digital video acquisition and processing method |
WO2017076246A1 (en) * | 2015-11-04 | 2017-05-11 | 深圳市中兴微电子技术有限公司 | Display parameter acquisition method, display device, terminal and storage medium |
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KR100820834B1 (en) * | 2006-08-17 | 2008-04-10 | 엘지전자 주식회사 | Video display apparatus and method for preventing hot plug detect error |
KR101311928B1 (en) * | 2006-10-27 | 2013-09-30 | 삼성전자주식회사 | Digital contents receiving device and method for changing input source thereof |
JP5593596B2 (en) * | 2008-02-04 | 2014-09-24 | ソニー株式会社 | Video signal transmitting apparatus and video signal transmitting method |
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JPH10322608A (en) * | 1997-05-14 | 1998-12-04 | Toshiba Corp | Television receiver |
KR100349205B1 (en) * | 2000-11-17 | 2002-08-21 | 삼성전자 주식회사 | An apparatus for detecting a DVI connector in a digital video signal display system |
KR100433873B1 (en) * | 2001-12-31 | 2004-06-04 | 엘지전자 주식회사 | Method And Apparatus for realizing Hot Plug Detection by using Digital Visual Interface |
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2005
- 2005-08-23 KR KR1020050077504A patent/KR100722025B1/en active IP Right Grant
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- 2006-07-31 CN CNB2006101068327A patent/CN100435574C/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101365074B (en) * | 2007-08-06 | 2011-07-06 | 联发科技股份有限公司 | Video apparatus capable of outputting osd data through unauthorized output path |
CN101552896B (en) * | 2008-04-02 | 2011-06-15 | 佳能株式会社 | Video control apparatus and control method thereof |
CN104539866A (en) * | 2014-12-05 | 2015-04-22 | 中国航空工业集团公司第六三一研究所 | High robustness format fault-tolerant self-adaptive digital video acquisition and processing method |
CN104539866B (en) * | 2014-12-05 | 2017-11-28 | 中国航空工业集团公司第六三一研究所 | A kind of fault-tolerant adaptive digital video acquiring and processing method of the form of high robust |
WO2017076246A1 (en) * | 2015-11-04 | 2017-05-11 | 深圳市中兴微电子技术有限公司 | Display parameter acquisition method, display device, terminal and storage medium |
Also Published As
Publication number | Publication date |
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KR100722025B1 (en) | 2007-05-25 |
CN100435574C (en) | 2008-11-19 |
KR20070023194A (en) | 2007-02-28 |
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