LandOfFree - US Patents - Listing for Cryptography

Cryptography – Communication system using cryptography – Having plural band pass filters

Analog encryption

Cryptography – Communication system using cryptography – Speech scrambler detail

Analog privacy scrambler and scrambling method

Cryptography – Communication system using cryptography – Frequency shift or inversion

Analog scrambler

Cryptography – Key management – Having particular key generator

Analog scrambling with continuous synchronization

Cryptography – Key management – Having particular key generator

Analog television with regenerable and encryptable signals

Cryptography – Key management – Having particular key generator

Analog/digital system for television services

Cryptography – Communication system using cryptography – Time segment interchange

Analogue scrambling system with dynamic band permutation

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Anonymous credit card transactions

Cryptography – Cryptanalysis

Anonymous information retrieval system (ARS)

Cryptography – Key management

Anonymous transactions based on distributed processing

Cryptography – Cryptanalysis

Anti-copying video signal processing

Cryptography – Electric signal modification – Having production of printed copy

Anti-counterfeiting method and apparatus using digital screening

Cryptography – Electric signal modification – Having production of printed copy

Anti-counterfeiting process using lenticular optics and color ma

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Anti-fraud verification system using a data card

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Anti-fraud voter registration and voting system using a data car

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Anti-piracy system for wireless telephony

Cryptography – Key management – Having particular key generator

Anti-spoof without error extension (ANSWER)

Cryptography – Cryptanalysis

Anti-taping method and apparatus for a multiplexed analog compon

Cryptography – Key management – Having particular key generator

Anti-virus agent for use with databases and mail servers