发明名称 Rights expression profile system and method
摘要 A system, method and device for creating a rights expression for association with an item for use in a system for controlling use of the item in accordance with the rights expression, including specifying rights expression information indicating a manner of use of an item, the rights expression information including at least one element, the element having a variable and corresponding value for the variable; generating a profile of the rights expression information, including removing the value for the variable from the element; and generating an identification for the profile, whereby the rights expression information can be enforced on the device based on the variable and the identification for the profile.
申请公布号 US7805371(B2) 申请公布日期 2010.09.28
申请号 US20040796067 申请日期 2004.03.10
申请人 CONTENTGUARD HOLDINGS, INC. 发明人 DEMARTINI THOMAS M.;RALEY MICHAEL CHARLES
分类号 G06F21/00;G06F7/00;G06F17/30;H04K1/00;H04L9/00 主分类号 G06F21/00
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