发明授权
US07469422B2 Contents server, contents receiving method for adding information to digital contents
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内容服务器，向数字内容添加信息的内容接收方法
- 专利标题： Contents server, contents receiving method for adding information to digital contents
- 专利标题（中）： 内容服务器，向数字内容添加信息的内容接收方法
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申请号： US10635952申请日： 2003-08-07
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公开(公告)号： US07469422B2公开(公告)日： 2008-12-23
- 发明人: Norishige Morimoto , Kohichi Kamijoh , Seiji Kobayashi , Masato Kurokawa
- 申请人： Norishige Morimoto , Kohichi Kamijoh , Seiji Kobayashi , Masato Kurokawa
- 申请人地址： US NY Armonk
- 专利权人： International Business Machines Corporation
- 当前专利权人： International Business Machines Corporation
- 当前专利权人地址： US NY Armonk
- 代理机构： Shimokaji & Associates, P.C.
- 优先权： JP2002-236644 20020814
- 主分类号： G06K9/00
- IPC分类号： G06K9/00
摘要：
Method for embedding a unique and different digital watermark in digital contents for each access without increasing the overhead or load at the contents server. The contents server has a digital watermark-embedded contents storage unit for storing a plurality of digital contents where a different digital watermark is embedded, and a fingerprint performing unit for, adding to the digital contents the information specified using a bit row that is formed by a digital watermark being embedded into each part of the digital contents.
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