发明名称 METHODS AND APPARATUS FOR ASSIGNING CONSEQUENTIAL RIGHTS TO DOCUMENTS AND DOCUMENTS HAVING SUCH RIGHTS
摘要 <p>A rights management system including one or more consequential rights associated with digital content, and specifying a manner of use of the digital content, a right management module that enforces the rights permitting use of the digital content in accordance with the rights upon occurrence of a consequential event. The consequential event is based on another usage right. In one embodiment, the consequential event is the exercise, expiration, or possession of another usage right.</p>
申请公布号 EP1573633(A1) 申请公布日期 2005.09.14
申请号 EP20030819121 申请日期 2003.12.10
申请人 CONTENTGUARD HOLDINGS, INC. 发明人 GUILLERMO, LAO;NAHIDIPOUR, ARAM;RALEY, MICHAEL;TA, THANH;TADAYON, BIJAN
分类号 G06F21/00;G06Q10/00;H04L9/32;(IPC1-7):G06F17/60 主分类号 G06F21/00
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