发明名称 Method for providing protected audio/video content
摘要 A method for providing protected content, wherein content usage rights information and/or usage state information is embedded into obtained primary data that serves as a basis for a content item to be provided thereby providing the primary data with the embedded content usage rights information and/or usage state information as the content item.
申请公布号 US8095468(B2) 申请公布日期 2012.01.10
申请号 US20050572319 申请日期 2005.07.18
申请人 SZUCS PAUL;SONY DEUTSCHLAND GMBH 发明人 SZUCS PAUL
分类号 G06F21/10;H04N7/24;H04N7/52 主分类号 G06F21/10
代理机构 代理人
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