Pay per view television signaling method
Pay television system
Pay television system
Payment Authorization and Information Device
Performance enhancement for ANSI X3.92 data encryption algorithm
Peripheral device preventing post-scan modification
Personal access management system
Personal access management system
Personal access management system
Personal access management system
Personal access management system
Personal access management system
Personal access management system
Personal access management systems
Personal area network security lock and recharger combination ap
Personal authentication method
Personal computer access control system
Personal computer diary
Personal date/time notary device
Personal identification encryptor and method