Invention Grant
- Patent Title: Method and system for adding a conditional access system
- Patent Title (中): 添加条件访问系统的方法和系统
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Application No.: US10129049Application Date: 2000-11-02
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Publication No.: US08813113B1Publication Date: 2014-08-19
- Inventor: David Jay Duffield , Jean-Louis Yves Diascorn , Ahmet Mursit Eskicioglu
- Applicant: David Jay Duffield , Jean-Louis Yves Diascorn , Ahmet Mursit Eskicioglu
- Applicant Address: FR Issy-les-Moulineaux
- Assignee: Thomson Licensing
- Current Assignee: Thomson Licensing
- Current Assignee Address: FR Issy-les-Moulineaux
- Agent Robert D. Shedd; Paul P. Kiel
- International Application: PCT/US00/30215 WO 20001102
- Main IPC: H04N7/16
- IPC: H04N7/16
Abstract:
A method for adding a conditional access system to a digital audio/video transmission system that delivers content from a source to a security device associated with an audio/video processing device by providing at the broadcast source a datastream having system information data including an unused identifier reserved for security data associated with the additional conditional access system.
Public/Granted literature
- US2666478A Folding chair brace Public/Granted day:1954-01-19
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