发明名称 |
Method and apparatus for hierarchical assignment of rights to documents and documents having such rights |
摘要 |
A self-contained device for protecting content, the content having usage rights associated therewith, includes a usage rights portion having usage rights that control the use of the content; a rights management module that authorizes a request to access to the content based on the usage rights; a rights assignment module that generates and updates the usage rights based on the content access; and an interface module that allows accessing of the content.
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申请公布号 |
US2007038859(A1) |
申请公布日期 |
2007.02.15 |
申请号 |
US20060584590 |
申请日期 |
2006.10.23 |
申请人 |
CONTENT GUARD HOLDINGS, INC. |
发明人 |
TADAYON BIJAN;NAHIDIPOUR ARAM;WANG XIN;RALEY MICHAEL C.;LAO GUILLERMO;TA THANH T. |
分类号 |
G06F21/24;H04L9/00;G06F12/14;G06F21/00;G06Q30/00;G06Q50/00 |
主分类号 |
G06F21/24 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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