LandOfFree - US Patents - Listing for Cryptography

Cryptography – Video cryptography – Copy protection or prevention

Data transfer method

Cryptography – Communication system using cryptography – Pseudo-random sequence scrambling

Data transfer method, communication system and storage medium

Cryptography – Communication system using cryptography – Pseudo-random sequence scrambling

Data transfer system

Cryptography – Communication system using cryptography – Having compression

Data transfer system, data transfer apparatus, data...

Cryptography – Cellular telephone cryptographic authentication

Data transfer verification based on unique ID codes

Cryptography – Communication system using cryptography – Time segment interchange

Data transformation apparatus and data transformation method

Cryptography – Communication system using cryptography – Time segment interchange

Data transformation apparatus and data transformation method

Cryptography – Video cryptography – Video electric signal modification

Data transmission and receiving apparatus for digital...

Cryptography – Video cryptography – Video electric signal modification

Data transmission and reception method and data transmission...

Cryptography – Key management – Key distribution

Data transmission apparatus and method, data receiving...

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

Data transmission apparatus, data receiving apparatus and...

Cryptography – Video cryptography – Copy protection or prevention

Data transmission apparatus, data transmission method, and...

Cryptography – Key management – Having particular key generator

Data transmission installation of the radio network type, and co

Cryptography – Communication system using cryptography – Symmetric key cryptography

Data transmission method between a broadcasting center and a...

Cryptography – Video cryptography – Copy protection or prevention

Data transmission method, data receiving method, data...

Cryptography – Communication system using cryptography – Wireless communication

Data transmission method, user equipment and GPRS/EDGE radio...

Cryptography – Cryptanalysis

Data transmission protocol method and apparatus

Cryptography – Cryptanalysis

Data transmission security arrangement for a plurality of data s

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Data transmission system