Cable subscriber control device using shared jamming modules
Cable television signal scrambling system
Cable TV channel security system having remotely addressable tra
Caller identification system with encryption
Capability security for distributed object systems
Cartridge-controlled system whose use is limited to authorized c
Cascadable content addressable memory and system
CATV scrambling system with compressed digital audio in synchron
CATV subscriber disconnect switch
CATV terminal and video apparatus having a noise eliminating cir
CD-PROM
CD-PROM
CD-ROM disk and security check method for the same
CD-ROM disk and security check method for the same
Cell signal processing circuit and optical switch apparatus usin
Central database system for automatic software program sales
Cipher strength evaluation apparatus
Circuit and method for maintaining security of video tape using
Clock frequency modulation for secure microprocessors
Command and control signalling method and apparatus