Secure system for activating personal computer software at remot
Secure system for activating personal computer software at remot
Secure telecommunications
Secure telecommunications
Secure trunked communications system
Secure video distribution system
Secured data storage devices
Secured electronic information delivery system having a three-ti
Securing a computer against undesired write operations to or rea
Securing trusted personal computer system against unauthorized m
Security antifuse that prevents readout of some but not other in
Security device for sensitive data
Security device for stored sensitive data
Security device, including a memory and/or a microcomputer for d
Security protection system and method
Security system for computer software
Security system for protecting information stored in portable st
Selective off-premises jamming for premium CATV service
Selective video playing system
Selective viewing control system for CATV