Invention Application
- Patent Title: METHOD AND APPARATUS FOR ASSISTING WITH CONTENT KEY CHANGES
- Patent Title (中): 用于辅助内容关键变化的方法和装置
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Application No.: PCT/US2008/061485Application Date: 2008-04-25
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Publication No.: WO2008134463A1Publication Date: 2008-11-06
- Inventor: PETERKA, Petr , MEDVINSKY, Alexander , MORONEY, Paul
- Applicant: GENERAL INSTRUMENT CORPORATION , SHAMSAASEF, Rafie , PETERKA, Petr , MEDVINSKY, Alexander , MORONEY, Paul
- Applicant Address: 101 Tournament Drive Horsham, Pennsylvania 19044 US
- Assignee: GENERAL INSTRUMENT CORPORATION,SHAMSAASEF, Rafie,PETERKA, Petr,MEDVINSKY, Alexander,MORONEY, Paul
- Current Assignee: GENERAL INSTRUMENT CORPORATION,SHAMSAASEF, Rafie,PETERKA, Petr,MEDVINSKY, Alexander,MORONEY, Paul
- Current Assignee Address: 101 Tournament Drive Horsham, Pennsylvania 19044 US
- Agency: CULLEN, Lawrence, T. et al.
- Priority: US60/914,421 20070427; US12/108,719 20080424
- Main IPC: G11B20/00
- IPC: G11B20/00 ; G11B27/30 ; H04N7/167 ; H04N7/24
Abstract:
A process may be utilized by the DVR. The process receives a plurality of segments of a set of content and a plurality of corresponding content rule sets. Further, the process provides one or more instructions to record and encrypt the plurality of segments of the set of content on a storage medium. In addition, the process provides the plurality of content rule sets to the DRM component to be inserted into a locally generated and secured content license associated with the encryption of the set of content. The secured content license includes a master key and a list of the plurality of corresponding content rule sets that have been received in order of reception. The process receives a plurality of marker tokens from the DRM component in order to facilitate trick mode playback.
Information query