Information security – Prevention of unauthorized use of data including prevention... – Access control
Reexamination Certificate
2006-05-02
2006-05-02
Barron, Gilberto (Department: 2132)
Information security
Prevention of unauthorized use of data including prevention...
Access control
C726S029000, C726S030000, C380S227000
Reexamination Certificate
active
07039955
ABSTRACT:
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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HP J
Flaharty Dennis R.
Gagnon Gregory J.
Ha David D.
Kahn Raynold M.
Barron Gilberto
Grunebach Georgann S.
Perungavoor Venkat
The DirecTV Group, Inc.
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