CN1494313A - Digital video frequency water mark method based on error correcting code - Google Patents
Digital video frequency water mark method based on error correcting code Download PDFInfo
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- CN1494313A CN1494313A CNA021503125A CN02150312A CN1494313A CN 1494313 A CN1494313 A CN 1494313A CN A021503125 A CNA021503125 A CN A021503125A CN 02150312 A CN02150312 A CN 02150312A CN 1494313 A CN1494313 A CN 1494313A
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CN 02150312 CN1207891C (en) | 2002-10-30 | 2002-10-30 | Digital video frequency water mark method based on error correcting code |
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CN 02150312 CN1207891C (en) | 2002-10-30 | 2002-10-30 | Digital video frequency water mark method based on error correcting code |
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CN1494313A true CN1494313A (en) | 2004-05-05 |
CN1207891C CN1207891C (en) | 2005-06-22 |
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CN 02150312 Expired - Fee Related CN1207891C (en) | 2002-10-30 | 2002-10-30 | Digital video frequency water mark method based on error correcting code |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100361437C (en) * | 2005-05-08 | 2008-01-09 | 中国科学院计算技术研究所 | Digital image hash signature method |
CN100484233C (en) * | 2005-06-03 | 2009-04-29 | 中国科学院研究生院 | Safety certification device for digital TV signal, and TV equipment with the device |
CN100484232C (en) * | 2005-06-03 | 2009-04-29 | 中国科学院研究生院 | Digital TV broadcast system and method |
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2002
- 2002-10-30 CN CN 02150312 patent/CN1207891C/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100361437C (en) * | 2005-05-08 | 2008-01-09 | 中国科学院计算技术研究所 | Digital image hash signature method |
CN100484233C (en) * | 2005-06-03 | 2009-04-29 | 中国科学院研究生院 | Safety certification device for digital TV signal, and TV equipment with the device |
CN100484232C (en) * | 2005-06-03 | 2009-04-29 | 中国科学院研究生院 | Digital TV broadcast system and method |
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Publication number | Publication date |
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CN1207891C (en) | 2005-06-22 |
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Owner name: BEIJING ZHONGKE ZHIYUAN YUCHENG INFORMATION TECHNO Free format text: FORMER OWNER: INST. OF COMPUTING TECHNOLOGY, CHINESE ACADEMY OF SCIENCES Effective date: 20100910 |
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Free format text: CORRECT: ADDRESS; FROM: 100080 NO.6, KEXUEYUAN SOUTH ROAD, ZHONGGUANCUN, BEIJING TO: 100190 NO.6, KEXUEYUAN SOUTH ROAD, ZHONGGUANCUN, HAIDIAN DISTRICT, BEIJING |
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TR01 | Transfer of patent right |
Effective date of registration: 20100910 Address after: 100190 Haidian District, Zhongguancun Academy of Sciences, South Road, No. 6, No. Patentee after: Beijing Zhongke Zhiyuan bred Information Technology Co. Ltd. Address before: 100080 No. 6 South Road, Zhongguancun Academy of Sciences, Beijing Patentee before: Institute of Computing Technology, Chinese Academy of Sciences |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20150921 Address after: 471934, east of Henan, Luoyang Province, intersection of Pioneer Road and Baita Road, 100 meters east Patentee after: Luoyang Zhongke Information Industry Research Institute Address before: 100190 Haidian District, Zhongguancun Academy of Sciences, South Road, No. 6, No. Patentee before: Beijing Zhongke Zhiyuan bred Information Technology Co. Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050622 Termination date: 20151030 |
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EXPY | Termination of patent right or utility model |