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

Cryptography – Communication system using cryptography – Frequency shift or inversion

Method and apparatus for performing frequency spectrum inversion

Cryptography – Communication system using cryptography – Having compression

Method and apparatus for performing simultaneous data compressio

Cryptography – Communication system using cryptography – Wireless communication

Method and apparatus for performing strong encryption or...

Cryptography – Communication system using cryptography – Fiber optic network

Method and apparatus for polarization-insensitive quantum...

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

Method and apparatus for preserving error correction capabilitie

Cryptography – Communication system using cryptography – Symmetric key cryptography

Method and apparatus for preventing the interception of data...

Cryptography – Communication system using cryptography – Symmetric key cryptography

Method and apparatus for preventing the interception of data...

Cryptography – Communication system using cryptography – Symmetric key cryptography

Method and apparatus for providing a message sequence count...

Cryptography – Communication system using cryptography – Time segment interchange

Method and apparatus for providing prepaid music card for...

Cryptography – Communication system using cryptography – Wireless communication

Method and apparatus for providing privacy/security in a communi

Cryptography – Communication system using cryptography – Circuit switched network

Method and apparatus for providing secured communication...

Cryptography – Communication system using cryptography – Wireless communication

Method and apparatus for re-synchronization of a stream...

Cryptography – Communication system using cryptography – Wireless communication

Method and apparatus for re-synchronization of a stream...

Cryptography – Communication system using cryptography – Position dependent or authenticating

Method and apparatus for real-time digital certification of...

Cryptography – Communication system using cryptography

Method and apparatus for secure communication between...

Cryptography – Communication system using cryptography – Wireless communication

Method and apparatus for secure communications with encryption k

Cryptography – Communication system using cryptography – Symmetric key cryptography

Method and apparatus for secure digital chaotic communication

Cryptography – Communication system using cryptography – Wireless communication

Method and apparatus for secure identification of a mobile user

Cryptography – Communication system using cryptography – Wireless communication

Method and apparatus for secure wireless delivery of...