| 发明名称 |
Method and system for adding a conditional access system |
| 摘要 |
A method and system 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. |
| 申请公布号 |
US2015100980(A1) |
申请公布日期 |
2015.04.09 |
| 申请号 |
US201414121409 |
申请日期 |
2014.08.19 |
| 申请人 |
THOMSON LICENSING |
发明人 |
Duffield David Jay;Diascorn Jean-Louis Yves;Eskicioglu Ahmet Mursit |
| 分类号 |
H04N7/16;H04N21/236;H04N21/266;H04N21/235;H04N21/435 |
主分类号 |
H04N7/16 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. (canceled) |
| 地址 |
Issy de Moulineaux FR |
