发明名称 Optimized secure media playback control
摘要 A media player manages and controls rights to playback of media content by the media player, which stores, during a registration process in which the media player need not be connected to an external computing system, information used by the media player to control playback. A minimal amount of the media player's memory is used to store the information used to control playback.
申请公布号 US7460668(B2) 申请公布日期 2008.12.02
申请号 US20040895355 申请日期 2004.07.21
申请人 DIVX, INC. 发明人 GRAB ERIC WILLIAM
分类号 H04L9/00;H04N7/167 主分类号 H04L9/00
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