| |
 |
|
Class Information
Number: 380/268
Name: Cryptography > Communication system using cryptography > Pseudo-random sequence scrambling
Description: Subject matter wherein modification of a digital data signal is affected to randomly distribute consecutive appearance of ones and zeros.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7602817 |
Low deviation field modulation for transfer of information |
Oct. 13, 2009 |
| 7590882 |
System, method and storage medium for bus calibration in a memory subsystem |
Sep. 15, 2009 |
| 7584361 |
Encoding and detecting apparatus |
Sep. 1, 2009 |
| 7580525 |
Sub-scrambling/descrambling method and sub-scrambling/descrambling device |
Aug. 25, 2009 |
| 7580526 |
Methods and apparatus for protecting signals transmitted between a source and destination device over multiple signals lines |
Aug. 25, 2009 |
| 7558389 |
Method and system of generating a speech signal with overlayed random frequency signal |
Jul. 7, 2009 |
| 7557941 |
Use of variant and base keys with three or more entities |
Jul. 7, 2009 |
| 7551736 |
Physical layer header scrambling in satellite broadcast systems |
Jun. 23, 2009 |
| 7542570 |
Information encryption transmission/reception method |
Jun. 2, 2009 |
| 7536014 |
Apparatus and method for generating scrambling code in UMTS mobile communication system |
May. 19, 2009 |
| 7522727 |
Method and apparatus for providing authentication in a communication system |
Apr. 21, 2009 |
| 7519182 |
Encryption device and decryption device |
Apr. 14, 2009 |
| 7519823 |
Concealed, non-intrusive watermarks for configuration bitstreams |
Apr. 14, 2009 |
| 7508935 |
Cryptosystem for data security |
Mar. 24, 2009 |
| 7508945 |
Self-corrector randomisation-encryption and method |
Mar. 24, 2009 |
| 7505589 |
Ternary and higher multi-value digital scramblers/descramblers |
Mar. 17, 2009 |
| 7502468 |
Method and system for generating a cryptographically random number stream |
Mar. 10, 2009 |
| 7464265 |
Methods for iteratively deriving security keys for communications sessions |
Dec. 9, 2008 |
| 7447315 |
System for determining successful reception of a message |
Nov. 4, 2008 |
| 7443904 |
Scrambling system and method for peak power reduction in MC-CDMA, and recording medium for storing corresponding program |
Oct. 28, 2008 |
| 7436963 |
Process for generating codes for CDMA communications, system and computer program product therefor |
Oct. 14, 2008 |
| 7430241 |
Method for early decoding of control channel information |
Sep. 30, 2008 |
| 7430756 |
System and method for generating and authenticating a computer password |
Sep. 30, 2008 |
| 7426276 |
Method for the secured transfer of data |
Sep. 16, 2008 |
| 7415112 |
Parallel scrambler/descrambler |
Aug. 19, 2008 |
| 7412057 |
Fast-software-implemented pseudo-random code generator |
Aug. 12, 2008 |
| 7403574 |
Simplified scrambling scheme for satellite broadcasting systems |
Jul. 22, 2008 |
| 7392450 |
Method and apparatus of compensating for signal receiving error at receiver in packet-based communication system |
Jun. 24, 2008 |
| RE40334 |
Method and apparatus for encrypted data stream transmission |
May. 20, 2008 |
| 7376243 |
Apparatus and method for watermarking a digital image |
May. 20, 2008 |
| 7366302 |
Apparatus and method for an iterative cryptographic block |
Apr. 29, 2008 |
| 7362864 |
Framing of transmit encoded data and linear feedback shifting |
Apr. 22, 2008 |
| 7362867 |
Apparatus and method for generating scrambling code in UMTS mobile communication system |
Apr. 22, 2008 |
| 7352862 |
Encryption method, communication system, transmission device, and data input device |
Apr. 1, 2008 |
| 7340059 |
Programmable scrambler and De-scrambler for digital telephony equipment |
Mar. 4, 2008 |
| 7333614 |
System and method for encypting spread spectrum carrier |
Feb. 19, 2008 |
| 7321666 |
Multilayered digital watermarking system |
Jan. 22, 2008 |
| 7319712 |
Orthogonal code generation apparatus, scrambling code generation apparatus and portable radio terminal using such apparatus |
Jan. 15, 2008 |
| 7308104 |
Forward multiple scrambling code generating method and apparatus |
Dec. 11, 2007 |
| 7302565 |
Terminal identity masking in a wireless network |
Nov. 27, 2007 |
| 7280659 |
Pseudorandom number generating apparatus or encryption or decryption apparatus using the same |
Oct. 9, 2007 |
| 7277543 |
Cryptographic combiner using two sequential non-associative operations |
Oct. 2, 2007 |
| 7269742 |
Microprocessor configuration with encryption |
Sep. 11, 2007 |
| 7266685 |
Time certification in a wireless communications network |
Sep. 4, 2007 |
| 7260223 |
Data transfer system |
Aug. 21, 2007 |
| 7257655 |
Embedded PCI-Express implementation |
Aug. 14, 2007 |
| 7248696 |
Dynamic system bus encryption using improved differential transitional encoding |
Jul. 24, 2007 |
| 7248699 |
Encryption method using synchronized continuously calculated pseudo-random key |
Jul. 24, 2007 |
| 7248698 |
System for generating pseudorandom sequences |
Jul. 24, 2007 |
| 7236594 |
Random generator description |
Jun. 26, 2007 |
|
|
|
