发明名称 |
Embedded blacklisting for digital broadcast system security |
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.
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申请公布号 |
US7039955(B2) |
申请公布日期 |
2006.05.02 |
申请号 |
US20010954236 |
申请日期 |
2001.09.14 |
申请人 |
THE DIRECTV GROUP, INC. |
发明人 |
KAHN RAYNOLD M.;GAGNON GREGORY J.;HA DAVID D.;FLAHARTY DENNIS R. |
分类号 |
G06K7/01;G06K5/02;G06K5/04;H04L29/06;H04N7/16 |
主分类号 |
G06K7/01 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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