发明名称 Method for providing protected audio/video content
摘要 <p>A method for providing protected content is proposed, wherein content usage rights information (CURI) and/or usage state information (USI) is embedded into obtained primary data (PDat) which serves as a basis for a content item (CI) to be provided thereby providing said primary data (PDat) with the embedded content usage rights information (CURI) and/or usage state information (USI) as said content item (CI).</p>
申请公布号 EP1619571(A1) 申请公布日期 2006.01.25
申请号 EP20040017019 申请日期 2004.07.19
申请人 SONY DEUTSCHLAND GMBH 发明人 SZUCS, PAUL
分类号 G06F1/00;H04N7/24 主分类号 G06F1/00
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