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.
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
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