Cryptography – Video cryptography – Copy protection or prevention
Reexamination Certificate
2003-10-14
2008-10-07
Moazzami, Nasser (Department: 2136)
Cryptography
Video cryptography
Copy protection or prevention
C726S026000, C726S027000
Reexamination Certificate
active
07433471
ABSTRACT:
Digital Rights Management (DRM) or Intellectual Property Management and Protection (IPMP) for generic digital content wherein a IPMP Control Graph and a REL-IPMP Control Graph carries protection signalling and rights expression data. Both content packaging and terminal processing relating to the above control graph are clearly defined and elaborated.
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Huang Zhongyang
Ji Ming
Shen Sheng Mei
Ueno Takafumi
Cervetti David Garcia
Matsushita Electric - Industrial Co., Ltd.
Moazzami Nasser
Wenderoth , Lind & Ponack, L.L.P.
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