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Information Technology
Class Information
Number:
380/244
Name:
Cryptography
>
Facsimile cryptography
> Synchronization
Description:
Subject matter including a signal for placing a transmitter and receiver into a particular in step relationship.
Patents under this class:
Patent Number
Title Of Patent
Date Issued
7293292
Method and system for securely and selectively providing optional features or premium functionality in a printer
Nov. 6, 2007
7280662
Time-shifting data in digital radio system
Oct. 9, 2007
7133525
Communication security apparatus and method of using same
Nov. 7, 2006
RE38739
Facsimile apparatus
May. 31, 2005
6317838
Method and architecture to provide a secured remote access to private resources
Nov. 13, 2001
5574789
Encryption communication method and terminal device for encryption communication
Nov. 12, 1996
5455862
Apparatus and method for encrypting communications without exchanging an encryption key
Oct. 3, 1995
4177485
Facsimile apparatus
Dec. 4, 1979
4091423
Synchronous digital data scrambling system
May. 23, 1978
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