发明名称 Method and system for limiting the use of user-specific software features
摘要 A server architecture for a digital rights management system that distributes and protects rights in content. The server architecture includes a retail site which sells content items to consumers, a fulfillment site which provides to consumers the content items sold by the retail site, and an activation site which enables consumer reading devices to use content items having an enhanced level of copy protection. An activation site provides an activation certificate and a secure repository executable to consumer content-rendering devices which enables those content rendering devices to render content having an enhanced level of copy-resistance. The activation site "activates" client-reading devices in a way that binds them to a persona, and limits the number of devices that may be activated for a particular persona, or the rate at which such devices may be activated for a particular persona.
申请公布号 US7158953(B1) 申请公布日期 2007.01.02
申请号 US20000604222 申请日期 2000.06.27
申请人 MICROSOFT CORPORATION 发明人 DEMELLO MARCO A.;YAACOVI YORAM;ZEMAN PAVEL;HUGHES KATHRYN E.;BYRUM FRANK D.
分类号 H04K1/00;G06F1/00;G06F21/00;H04L9/00 主分类号 H04K1/00
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