LandOfFree - US Patents - Listing for Cryptography,Communication system using cryptography

Cryptography – Communication system using cryptography – Time segment interchange

Method and apparatus for data encryption

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

Method and apparatus for data encryption or decryption

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

Method and apparatus for decoding non-sequential data packets

Cryptography – Communication system using cryptography – Frequency shift or inversion

Method and apparatus for decoding of frequency inversion based s

Cryptography – Communication system using cryptography – Wireless communication

Method and apparatus for decrypting a communication

Cryptography – Communication system using cryptography – Symmetric key cryptography

Method and apparatus for detection of loss of cipher...

Cryptography – Communication system using cryptography – Symmetric key cryptography

Method and apparatus for detection of loss of cipher...

Cryptography – Communication system using cryptography – Time segment interchange

Method and apparatus for digital signal processing

Cryptography – Communication system using cryptography – Frequency shift or inversion

Method and apparatus for distorting a speech signal

Cryptography – Communication system using cryptography

Method and apparatus for effecting secure document format...

Cryptography – Communication system using cryptography – Symmetric key cryptography

Method and apparatus for efficient irregular synchronization...

Cryptography – Communication system using cryptography – Position dependent or authenticating

Method and apparatus for encapsulating long messages over...

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

Method and apparatus for encoding security information in a...

Cryptography – Communication system using cryptography – Wireless communication

Method and apparatus for encrypted communications using...

Cryptography – Communication system using cryptography – Time segment interchange

Method and apparatus for encrypting and decrypting information

Cryptography – Communication system using cryptography – Time segment interchange

Method and apparatus for encrypting data

Cryptography – Communication system using cryptography – Symmetric key cryptography

Method and apparatus for encrypting data

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

Method and apparatus for encrypting input bit sequence

Cryptography – Communication system using cryptography – Wireless communication

Method and apparatus for encrypting transmissions in a...