Remote deactivation of decoders for accessing multimedia...
Representing entitlements to service in a conditional access...
Representing entitlements to service in a conditional access...
Reprogrammable subscriber terminal
Retrieval and transfer of encrypted hard drive content from...
Robust method for achieving audio/video synchronization in...
Robust method for achieving audio/video synchronization in...
Rolling code security system
Rolling code security system
Rolling code security system
Saw television scrambling system
Scramble/descramble method and apparatus for data broadcasting
Scrambler and scrambling method
Scrambling and descrambling a high definition TV signal
Scrambling and descrambling control word control in a remultiple
Scrambling apparatus and method using conversion of motion...
Scrambling type method and apparatus for video transmission/rece
Scrambling, descrambling and secure distribution of...
Seamless switching between multiple pre-encrypted video files
Seamless switching between multiple pre-encrypted video files