发明申请
- 专利标题： Mpeg-21 digital content protection system
- 专利标题（中）： Mpeg-21数字内容保护系统
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申请号： US10523193申请日： 2003-10-14
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公开(公告)号： US20050271205A1公开(公告)日： 2005-12-08
- 发明人: Sheng Shen , Zhongyang Huang , Ming Ji , Takafumi Ueno
- 申请人： Sheng Shen , Zhongyang Huang , Ming Ji , Takafumi Ueno
- 申请人地址： JP
- 专利权人： MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- 当前专利权人： MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- 当前专利权人地址： JP
- 国际申请： PCT/JP03/13120 WO 20031014
- 主分类号： G06F21/00
- IPC分类号： G06F21/00 ; H04N7/167
摘要：
The invention is related to Digital Rights Management (DRM) or Intellectual Property Management and Protection (IPMP) for a generic digital content. The concept of IPMP Control Graph and REL-IPMP Control Graph is introduced to carry protection signalling and rights expression data. Both content packaging and terminal processing relating to the above control graph are clearly defined and elaborated.
公开/授权文献
- US07433471B2 MPEG-21 digital content protection system 公开/授权日：2008-10-07
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