- 专利标题: Embedded blacklisting for digital broadcast system security
-
申请号: US09954236申请日: 2001-09-14
-
公开(公告)号: US07039955B2公开(公告)日: 2006-05-02
- 发明人: Raynold M. Kahn , Gregory J. Gagnon , David D. Ha , Dennis R. Flaharty
- 申请人: Raynold M. Kahn , Gregory J. Gagnon , David D. Ha , Dennis R. Flaharty
- 申请人地址: US CA El Segundo
- 专利权人: The DirecTV Group, Inc.
- 当前专利权人: The DirecTV Group, Inc.
- 当前专利权人地址: US CA El Segundo
- 代理商 Georgann S. Grunebach
- 主分类号: G06K7/01
- IPC分类号: G06K7/01 ; G06K5/02 ; G06K5/04
摘要:
An apparatus and method for transmission security is presented. A receiver communicatively coupleable to an identifiable conditional access module (CAM) to enable reception of the service uses an authenticator to control the operability of the receiver according to a comparison between the identified conditional access module and a list of conditional access modules.
公开/授权文献
信息查询