System for monitoring ATM cross-connecting apparatus by inside-a

System for multilevel secure database management using a knowled

System for packet filtering of data packet at a computer network

System for processing a scrambled video signal

System for processing a video signal via series-connected high s

System for processing coded information

System for producing synchronized signals

System for providing access to digitally encoded communications

System for providing high security for personal computers and wo

System for providing secure internetwork by connecting type enfo

System for scrambling and descrambling video signals by altering

System for securing inbound and outbound data packet flow in a c

System for the secret transmission of audio signals and televisi

System for the simultaneous coding of a number of television sig

System for transmitting a commercial program in a CATV system

System for transmitting desired digital video or audio signals

System to prevent a scrambler from generating undesired symbols

System using data compression and hashing adapted for use...

System, method and article of manufacture for secure network ele

System, method, and apparatus for television signal scrambling a