| 发明名称 |
METHOD AND APPARATUS FOR HIERARCHICAL ASSIGNMENT OF RIGHTS TO DOCUMENTS AND DOCUMENTS HAVING SUCH RIGHTS. |
| 摘要 |
<p>Digital rights managements (110) allows one or more of usage rights (140) and delegation rights (120) to be associated with a document (100). Through the use of the usage rights (140) and the delegation rights (120), a hierarchy of rights associated with a document (100) is created that provides a tree-type structure of rights extending from the content owner down through one or more users.</p> |
| 申请公布号 |
MXPA03010989(A) |
申请公布日期 |
2004.02.27 |
| 申请号 |
MX2003PA10989 |
申请日期 |
2002.05.10 |
| 申请人 |
CONTENTGUARD HOLDINGS, INC. |
发明人 |
GUILLERMO LAO |
| 分类号 |
G06F21/24;G06F12/14;G06F21/00;G06Q10/10;(IPC1-7):G06F17/60 |
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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