CN101719357A - HDCP off-line burning system for LCD (Liquid Crystal Display) - Google Patents
HDCP off-line burning system for LCD (Liquid Crystal Display) Download PDFInfo
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- CN101719357A CN101719357A CN200910112874A CN200910112874A CN101719357A CN 101719357 A CN101719357 A CN 101719357A CN 200910112874 A CN200910112874 A CN 200910112874A CN 200910112874 A CN200910112874 A CN 200910112874A CN 101719357 A CN101719357 A CN 101719357A
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Abstract
The invention discloses an HDCP off-line burning system for an LCD (Liquid Crystal Display), which utilizes a PC computer, an IC burner and an HDCP burning program to burn HDCP Device KEY into an LCD port memory, wherein the HDCP burning program comprises an HDCP Device KEY segmentation program and an HDCP Device KEY burning program, the HDCP Device KEY segmentation program segments a BIN file for storing one group of HDCP Device KEYs into BIN files for storing single HDCP Device KEYs, and the HDCP Device KEY burning program offline burns the segmented HDCP Device KEYs into the LCD port memory. The invention adopts the professional IC burner and burning program to offline burn single and independent LCD port memory and has high burning acceptability and stable burning quality; the concentrate burning is beneficial to reducing bad work and convenient for managing the HDCP Device KEY data and the burning program.
Description
Technical field the present invention relates to the data burning field of LCD, relates in particular to a kind of HDCP off-line burning system for LCD (Liquid Crystal Display).
Background technology HDCP is the abbreviation of High-bandwidth Digital Content Protection; the Chinese full name is the HDCP technology; it be Intel exploitation provide the decoding technique of HDCP for HDMI (High-Definition Multimedia Interface HDMI (High Definition Multimedia Interface)); HDMI is a kind of high-definition digital interface standard; it can provide very high bandwidth, nondestructively transmission digital video and sound signal.The HDMI that has been equipped with the HDCP decoding technique just can not be subjected to the restriction of signal encryption, can accept the high-definition signal of full format.HDCP is an encryption technology that prevents digital content piracy, if software and hardware one of them do not support HDCP, we just can't read the digital content of transmission.
Use the HDCP technical design or produce the product of band HDCP function, must at first obtain and authorize license to Digital-CP tissue (the Digital ContentProtection LLC).Any one HDCP equipment all must have one group of unique authorization code Device Key (40/8+56/8*40=285bytes byte altogether), Device key needs to buy to the Digital-CP tissue, the user must guarantee that each equipment uses unique Device Key, the situation that must not have a Device Key to be used by multiple devices, otherwise the Digital-CP tissue will be cancelled the qualification that it buys Device key.Production firm needs the Device Key after buying is burnt in the LCD interface memory, and LCD just has the HDCP function.The LCD interface memory generally has two types of EEPROM or Flash, and EEPROM (Electrically ErasableProgrammable Read-Only Memory EEPROM (Electrically Erasable Programmable Read Only Memo)) is the storage chip that data are not lost after a kind of power down; The Flash storer claims flash memory again, not only possesses the performance of EEPROM, the obliterated data that can not cut off the power supply, simultaneously reading of data fast again.
In technology before, the HDCP Device Key burning of LCD is carried out at LCD packing shop production line, adopts an independently workstation burning.Its burning principle of work is roughly as follows: a PC computing machine is used at HDCP burning station, writing card and a video signal generator, be connected with LCD by some signal wires, to the management of HDCP Device Key data and by DDC/CI communication protocol the form of HDCP data with some Command (instruction) stored in the LCD interface memory by the PC computer realization.Production line operation person need connect signal wire with LCD, and the burning program of clicking again after waiting signal is stable in the operation PC computing machine carries out burning, after burning is finished, pulls out signal wire again, and the LCD that burning is good is delivered to next operation.Because a general HDCP burning station all is two LCD of burning simultaneously, the time that burning needs is 3-7 between second, adds that setting up time needs 7-11 second altogether, so the average recordable time of a LCD is at 5-7 between second, its burning inefficiency, the cost height; Packing workshop environment is relatively poor, and online burning is affected by environment big, and it is bad to occur burning easily; And HDCP burning station independent operation separately, be not easy to HDCP Device KEY data and burning program are managed.
Summary of the invention the object of the invention provides a kind of burning efficient height, the HDCP off-line burning system for LCD (Liquid Crystal Display) of burning and management is stablized, can be concentrated again to burning quality.
The technical solution used in the present invention is: the present invention utilizes PC computing machine, IC cd-rom recorder and HDCP burning program that HDCP Device KEY is burnt in the LCD interface memory, the HDCP burning program comprises HDCP Device KEY segmentation procedure and HDCP Device KEY burning program, HDCP Device KEY segmentation procedure will be stored the BIN file of the single HDCPDevice KEY of BIN file division one-tenth storage of one group of HDCP Device KEY, and it is left under the file directory of appointment; HDCP Device KEY burning program loads the BIN file of the single HDCP Device KEY of storage under the assigned catalogue automatically, and HDCP Device KEY off-line is burnt in the LCD interface memory, after burning is qualified, delete the BIN file of this HDCP Device KEY automatically.Adopt the off-line burning only to need the single independently LCD of burning interface memory, do not need the LCD interface memory is mounted in the LCD.
The workflow of above-mentioned HDCP Device KEY segmentation procedure is: HDCP Device KEY segmentation procedure loads a BIN file of storing one group of HDCP Device KEY earlier and cuts apart, cut apart the BIN quantity of documents that the back segmentation procedure just scans the single HDCP Device of the storage KEY under the specified file catalogue at regular intervals and whether be less than specified quantity, the segmentation procedure if quantity of documents is less than specified quantity then continue to load cut apart until specified file quantity enough; If contain the file of non-BIN form simultaneously under this catalogue file of segmentation procedure scanning discovery, then delete this file; The formal definition that segmentation procedure will be cut apart the KEY file of generation is: MSTHDCP_0_ date hour minute .bin form, and wherein MST represents the IC type; HDCP represents document identifier code; Time figure when the date, hour minute expression was cut apart is represented 8: 18 on the 16th June in 2009 as 200906160818.
The workflow of above-mentioned HDCP Device KEY burning program is: HDCP Device KEY burning program loads the BIN file of cutting apart the good single HDCP Device of storage KEY automatically, and HDCP Device KEY off-line is burnt in the LCD interface memory; Read the CRC check sign indicating number of HDCP Device KEY data in the LCD interface memory after the burning again, CRC check sign indicating number on itself and the PC computing machine is compared, as CRC check sign indicating number unanimity, judge that then burning is qualified, show the qualified information of burning, this BIN file of storing single HDCP Device KEY with burning after qualified is deleted automatically, inconsistent then to be judged as burning defective as the CRC check sign indicating number, and burning program sends alarm burning again.
The present invention is compared with prior art: 1. owing to realized the off-line burning of HDCP Device KEY, burning efficient height, cost are low; 2. adopt the IC cd-rom recorder and the single independently LCD of the burning program off-line burning interface memory of specialty, burning in the room of a cleaning separately is subjected to that the workshop condition factor affecting is little, burning qualification rate height, burning quality stablize; 3. adopt the off-line burning once can concentrate a collection of LCD interface memory of burning, concentrated burning helps reducing that operation is bad, convenient that HDCP Device KEY data and burning program are managed, upgrade.
Description of drawings now is further elaborated the present invention in conjunction with the accompanying drawings:
Fig. 1 is a system chart of the present invention;
Fig. 2 is a HDCP Device KEY segmentation procedure process flow diagram of the present invention;
Fig. 3 is a HDCP Device KEY burning program process flow diagram of the present invention.
Embodiment as shown in Figure 1, the present invention utilizes PC computing machine 1, IC cd-rom recorder 2 and HDCP burning program 3 that HDCPDeviceKEY is burnt in the single independently LCD interface memory 4, HDCP burning program 3 comprises HDCP Device KEY segmentation procedure and HDCP Device KEY burning program, HDCP Device KEY segmentation procedure will be stored the BIN file of the single HDCP Device KEY of BIN file division one-tenth storage of one group of HDCP Device KEY, and it is left under the file directory of appointment; HDCP Device KEY burning program loads the BIN file of the single HDCP Device KEY of storage under the assigned catalogue automatically, and HDCP Device KEY off-line is burnt in the LCD interface memory 4, after burning is qualified, delete the BIN file of this HDCP Device KEY automatically.
As shown in Figure 2, the workflow of HDCP Device KEY segmentation procedure is: HDCP Device KEY segmentation procedure loads a BIN file of storing one group of HDCP Device KEY earlier and cuts apart, cut apart the back segmentation procedure just scanned the single HDCP Device of the storage KEY under the specified file catalogue every 3 minutes BIN quantity of documents and whether be less than 100 of specified quantities, if 100 of lazy weights then program is cut apart until specified file quantity enough more automatically; If contain the file of non-BIN form simultaneously under this catalogue file of segmentation procedure scanning discovery, then delete this file; The formal definition that segmentation procedure will be cut apart the KEY file of generation is: MSTHDCP_0_ date hour minute .bin form, and wherein MST represents the IC type; HDCP represents document identifier code; Date hour minute is used the time numeral: represent that as MSTHDCP_0_200906160818.bin the IC type is MST, document identifier code is HDCP, and 0_200906160818 represents that be 8: 18 on the 16th June in 2009 sliced time.
As shown in Figure 3, the workflow of HDCP Device KEY burning program is: burning program loads the BIN file of cutting apart the good single HDCPDevice KEY of storage automatically, and HDCP Device KEY off-line is burnt in the LCD interface memory; Read the CRC check sign indicating number of HDCP Device KEY data in the LCD interface memory after the burning again, CRC check sign indicating number on itself and the PC computing machine is compared, as CRC check sign indicating number unanimity, judge that then burning is qualified, show the qualified information of burning, the BIN file of the single HDCP Device of storage KEY with burning after qualified is deleted automatically, inconsistent then to be judged as burning defective as the CRC check sign indicating number, and burning program sends alarm.
System provided by the invention can use LCD, also can be used in LCD TV or other the regular display.
Claims (3)
1. HDCP off-line burning system for LCD (Liquid Crystal Display), it is characterized in that: the present invention utilizes PC computing machine, IC cd-rom recorder and HDCP burning program that HDCP Device KEY is burnt in the LCD interface memory, the HDCP burning program comprises HDCP Device KEY segmentation procedure and HDCP Device KEY burning program, HDCP Device KEY segmentation procedure will be stored the BIN file of the single HDCP Device KEY of BIN file division one-tenth storage of one group of HDCP Device KEY, and it is left under the file directory of appointment; HDCP DeviceKEY burning program loads the BIN file of the single HDCP Device KEY of storage under the assigned catalogue automatically, and HDCP Device KEY off-line is burnt in the LCD interface memory, after burning is qualified, delete the BIN file of this HDCP Device KEY automatically.
2. a kind of HDCP off-line burning system for LCD (Liquid Crystal Display) according to claim 1, it is characterized in that: the workflow of described HDC PDevice KEY segmentation procedure is: HDCP Device KEY segmentation procedure loads a BIN file of storing one group of HDCP Device KEY earlier and cuts apart, cut apart the BIN quantity of documents that the back segmentation procedure just scans the single HDCP Device of the storage KEY under the specified file catalogue at regular intervals and whether be less than specified quantity, the segmentation procedure if quantity of documents is less than specified quantity then continue to load cut apart until specified file quantity enough; If contain the file of non-BIN form simultaneously under this catalogue file of segmentation procedure scanning discovery, then delete this file; The formal definition that segmentation procedure will be cut apart the KEY file of generation is: MSTHDCP_0_ date hour minute .bin form.
3. a kind of HDCP off-line burning system for LCD (Liquid Crystal Display) according to claim 1 and 2, it is characterized in that: HDCP Device KEY burning program loads the BIN file of cutting apart the good single HDCP Device of storage KEY automatically, and HDCP Device KEY off-line is burnt in the LCD interface memory; Read the CRC check sign indicating number of HDCP Device KEY data in the LCD interface memory after the burning again, CRC check sign indicating number on itself and the PC computing machine is compared, as CRC check sign indicating number unanimity, judge that then burning is qualified, show the qualified information of burning, this BIN file of storing single HDCP Device KEY with burning after qualified is deleted automatically, inconsistent then to be judged as burning defective as the CRC check sign indicating number, and burning program sends alarm burning again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910112874A CN101719357B (en) | 2009-11-27 | 2009-11-27 | HDCP off-line burning system for LCD (Liquid Crystal Display) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910112874A CN101719357B (en) | 2009-11-27 | 2009-11-27 | HDCP off-line burning system for LCD (Liquid Crystal Display) |
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| Publication Number | Publication Date |
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| CN101719357A true CN101719357A (en) | 2010-06-02 |
| CN101719357B CN101719357B (en) | 2012-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910112874A Expired - Fee Related CN101719357B (en) | 2009-11-27 | 2009-11-27 | HDCP off-line burning system for LCD (Liquid Crystal Display) |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102522119A (en) * | 2011-12-14 | 2012-06-27 | 广东长虹电子有限公司 | Method and digital device for intelligently burning HDCP (High-bandwidth Digital-content Copy Protection) KEY |
| CN102665089A (en) * | 2012-03-29 | 2012-09-12 | 深圳创维数字技术股份有限公司 | HDCP function test method, detected terminal and detection terminal |
| CN102722385A (en) * | 2012-05-28 | 2012-10-10 | 康佳集团股份有限公司 | Off-line copy device |
| CN103049540A (en) * | 2012-12-26 | 2013-04-17 | 深圳瑞高信息技术有限公司 | Method and device for burning large files |
| CN103176820A (en) * | 2013-02-27 | 2013-06-26 | 深圳创维数字技术股份有限公司 | Burning method for software |
| CN104598285A (en) * | 2015-02-11 | 2015-05-06 | 北京京东方多媒体科技有限公司 | Burning method and burning system |
| CN107888978A (en) * | 2017-10-26 | 2018-04-06 | 深圳创维－Rgb电子有限公司 | KEY codes method for burn-recording, device and computer-readable recording medium |
| CN109949054A (en) * | 2019-03-18 | 2019-06-28 | 深圳创维－Rgb电子有限公司 | Key code determines method, apparatus, equipment and storage medium |
| CN112312172A (en) * | 2020-10-29 | 2021-02-02 | 广州朗国电子科技有限公司 | Method for retrieving HDCP Key by all-in-one machine |
| CN113691884A (en) * | 2021-08-11 | 2021-11-23 | 康佳集团股份有限公司 | Television-based KEY burning processing method and device, intelligent terminal and medium |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2552080Y (en) * | 2002-05-31 | 2003-05-21 | 瑞轩科技股份有限公司 | Display with separated storage unit |
| CN1937745B (en) * | 2006-10-19 | 2011-01-26 | 深圳创维－Rgb电子有限公司 | HDMI interface machine HDCP code recording method and device |
-
2009
- 2009-11-27 CN CN200910112874A patent/CN101719357B/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102522119A (en) * | 2011-12-14 | 2012-06-27 | 广东长虹电子有限公司 | Method and digital device for intelligently burning HDCP (High-bandwidth Digital-content Copy Protection) KEY |
| CN102665089A (en) * | 2012-03-29 | 2012-09-12 | 深圳创维数字技术股份有限公司 | HDCP function test method, detected terminal and detection terminal |
| CN102722385A (en) * | 2012-05-28 | 2012-10-10 | 康佳集团股份有限公司 | Off-line copy device |
| CN103049540A (en) * | 2012-12-26 | 2013-04-17 | 深圳瑞高信息技术有限公司 | Method and device for burning large files |
| CN103176820B (en) * | 2013-02-27 | 2016-08-03 | 深圳创维数字技术有限公司 | A kind of method for burn-recording of software |
| CN103176820A (en) * | 2013-02-27 | 2013-06-26 | 深圳创维数字技术股份有限公司 | Burning method for software |
| CN104598285A (en) * | 2015-02-11 | 2015-05-06 | 北京京东方多媒体科技有限公司 | Burning method and burning system |
| EP3258372A4 (en) * | 2015-02-11 | 2018-12-19 | Boe Technology Group Co. Ltd. | Burning method and burning system |
| CN107888978A (en) * | 2017-10-26 | 2018-04-06 | 深圳创维－Rgb电子有限公司 | KEY codes method for burn-recording, device and computer-readable recording medium |
| CN107888978B (en) * | 2017-10-26 | 2020-08-28 | 深圳创维－Rgb电子有限公司 | KEY code burning method and device and computer readable storage medium |
| CN109949054A (en) * | 2019-03-18 | 2019-06-28 | 深圳创维－Rgb电子有限公司 | Key code determines method, apparatus, equipment and storage medium |
| CN109949054B (en) * | 2019-03-18 | 2024-03-19 | 深圳创维－Rgb电子有限公司 | Key code determination method, device, equipment and storage medium |
| CN112312172A (en) * | 2020-10-29 | 2021-02-02 | 广州朗国电子科技有限公司 | Method for retrieving HDCP Key by all-in-one machine |
| CN113691884A (en) * | 2021-08-11 | 2021-11-23 | 康佳集团股份有限公司 | Television-based KEY burning processing method and device, intelligent terminal and medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101719357B (en) | 2012-09-05 |
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Granted publication date: 20120905 Termination date: 20151127 |