Mpeg-21 digital content protection system

08-12-2005 дата публикации

Номер:

US2005271205A1

Автор: SHEN SHENG M, HUANG ZHONGYANG, JI MING, UENO TAKAFUMI, SHEN SHENG M.

Принадлежит:

Контакты:

Номер заявки: 05-93-5231

Дата заявки: 27-01-2005

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.

CPC - классификация

G G0 G06 G06F G06F2 G06F21 G06F21/G06F21/1 G06F21/10 G06F22 G06F222 G06F2221 G06F2221/G06F2221/0 G06F2221/07 G06F2221/073 G06F2221/0737 G06F2221/076 G06F2221/0766 G06F2221/2 G06F2221/21 G06F2221/213 G06F2221/2137 H H0 H04 H04N H04N2 H04N21 H04N21/H04N21/2 H04N21/25 H04N21/254 H04N21/2541 H04N21/4 H04N21/46 H04N21/462 H04N21/4627 H04N21/8 H04N21/81 H04N21/819 H04N21/8193 H04N21/83 H04N21/835 H04N21/8352 H04N21/8355 H04N21/83555 H04N21/8358 H04N7 H04N7/H04N7/1 H04N7/16 H04N7/167 H04N7/1675

IPC - классификация

G G0 G06 G06F G06F2 G06F21 G06F21/G06F21/0 G06F21/00 H H0 H04 H04N H04N2 H04N21 H04N21/H04N21/2 H04N21/25 H04N21/254 H04N21/4 H04N21/46 H04N21/462 H04N21/4627 H04N21/8 H04N21/81 H04N21/83 H04N21/835 H04N21/8352 H04N21/8355 H04N21/8358 H04N7 H04N7/H04N7/1 H04N7/16 H04N7/167