LandOfFree - US Patents - Listing for Cryptography

Caller identification system with encryption

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Canal+ decoder switching circuit for video cassette recorders

Capability security for distributed object systems

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Capability security for transparent distributed object systems

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Card charging systems

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Card-computer moderated systems

Cryptography – Communication system using cryptography – Wireless communication

Cartridge validation with radio frequency identification

Reexamination Certificate

Cartridge-controlled system whose use is limited to authorized c

Cascadable content addressable memory and system

Cryptography – Communication system using cryptography – Data stream/substitution enciphering

Cascaded stream cipher

Reexamination Certificate

Cryptography – Key management – Having particular key generator

Cascading synchronized chaotic systems

Cryptography – Key management – Having particular key generator

Cassette loading apparatus for loading a magnetic recording cass

Cryptography – Key management – Having particular key generator

CATV converter

Cryptography – Key management – Having particular key generator

CATV receiver

Cryptography – Key management – Having particular key generator

CATV scrambling and descrambling method

CATV scrambling system with compressed digital audio in synchron

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

CATV subscriber apparatus with intelligent remote control

CATV subscriber disconnect switch

Cryptography – Key management – Having particular key generator

CATV system