发明名称 METHOD AND SYSTEM FOR MARKING DIGITAL CONTENT
摘要 In one embodiment, a request to deliver a piece of digital content to a recipient is received. In response to the request, a datum is embedded in an equivalent piece of digital content that identifies the recipient. The equivalent piece of digital content is then delivered to the recipient.
申请公布号 WO2004086169(A3) 申请公布日期 2005.01.27
申请号 WO2004US06626 申请日期 2004.03.04
申请人 SONY ELECTRONICS INC.;SONY CORPORATION 发明人 MOLARO, DONALD, J.
分类号 G06F;G06F21/00;G06K9/00;G06K9/36;G06K9/46;H04L9/00;H04L29/06;H04N7/167 主分类号 G06F
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