Invention Grant
- Patent Title: Method and apparatus for hierarchical assignment of rights to documents and documents having such rights
- Patent Title (中): 分类转让具有这种权利的文件和文件的权利的方法和装置
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Application No.: US11584590Application Date: 2006-10-23
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Publication No.: US08869293B2Publication Date: 2014-10-21
- Inventor: Xin Wang , Aram Nahidipour , Michael C. Raley , Guillermo Lao , Thanh T. Ta , Bijan Tadayon
- Applicant: Xin Wang , Aram Nahidipour , Michael C. Raley , Guillermo Lao , Thanh T. Ta , Bijan Tadayon
- Applicant Address: US TX Plano
- Assignee: ContentGuard Holdings, Inc.
- Current Assignee: ContentGuard Holdings, Inc.
- Current Assignee Address: US TX Plano
- Agency: Reed Smith LLP
- Agent Stephen M. Hertzler; Marc S. Kaufman
- Main IPC: H04L29/06
- IPC: H04L29/06 ; G06F21/10 ; G06F21/62
Abstract:
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.
Public/Granted literature
- US20070038859A1 Method and apparatus for hierarchical assignment of rights to documents and documents having such rights Public/Granted day:2007-02-15
Information query
