CN202455481U - 用于数字电视版权验证的数字水印产生装置 - Google Patents
用于数字电视版权验证的数字水印产生装置 Download PDFInfo
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CN201120556621XU CN202455481U (zh) | 2011-12-28 | 2011-12-28 | 用于数字电视版权验证的数字水印产生装置 |
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CN201120556621XU CN202455481U (zh) | 2011-12-28 | 2011-12-28 | 用于数字电视版权验证的数字水印产生装置 |
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CN201120556621XU Expired - Fee Related CN202455481U (zh) | 2011-12-28 | 2011-12-28 | 用于数字电视版权验证的数字水印产生装置 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: CHENGDU DOYEN MEDIA CO., LTD. Free format text: FORMER NAME: CHENGDU DOYEN INFORMATION TECHNOLOGY CO., LTD. |
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CP01 | Change in the name or title of a patent holder |
Address after: West high tech Zone Fucheng Road in Chengdu city of Sichuan province 610041 No. 399 Tianfu New Valley No. 6 Building 4 layer Patentee after: Chengdu Doyen Information Media Co., Ltd. Address before: West high tech Zone Fucheng Road in Chengdu city of Sichuan province 610041 No. 399 Tianfu New Valley No. 6 Building 4 layer Patentee before: Chengdu Doyen Information Technology Co., Ltd. |
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C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120926 Termination date: 20131228 |