LandOfFree - US Patents - Listing for Cryptography,Communication system using cryptography,Data stream/substitution enciphering

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

Data decryption methodology

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

Data detection by statistical analysis

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

Data encryptor/decryptor using variable in-place I/O

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

Data mapping method and apparatus with multi-party capability

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

Data scramble transmission system

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

Data transmission apparatus, data receiving apparatus and...

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

DC-free line code and bit and frame synchronization for arbitrar

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

Decryption of retransmitted data in an encrypted communication s

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

Digital communication system including an error correcting encod

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

Digital information privacy system

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

Disk drive with flexible data stream encryption

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

DVD data descrambler for host interface and MPEG interface