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Class Information
Number: 714/806
Name: Error detection/correction and fault detection/recovery > Pulse or data error handling > Error/fault detection technique > Constant-ratio code (m/n)
Description: Subject matter in which a code constraint of a constant-ratio between bits of a first logic state and a second logic state is utilized to enable error/fault detection.










Patents under this class:

Patent Number Title Of Patent Date Issued
8689093 Method and apparatus for channel encoding and decoding in a communication system using a low-density parity check code Apr. 1, 2014
8402353 Cyclic code processing circuit, network interface card, and cyclic code processing method Mar. 19, 2013
8321770 Path comparison unit for determining paths in a trellis that compete with a survivor path Nov. 27, 2012
8176403 Distributed block coding (DBC) May. 8, 2012
8145978 RAID array auto-initialization (RAAI) method Mar. 27, 2012
8028214 Low density parity check codes decoder and method thereof Sep. 27, 2011
7958426 Distributed block coding (DBC) Jun. 7, 2011
7865814 Path metric difference computation unit for computing path differences through a multiple-step trellis Jan. 4, 2011
7512868 Method for processing a signal using an approximate map algorithm and corresponding uses Mar. 31, 2009
6622284 Method and apparatus for detection of errors in one-hot words Sep. 16, 2003
6076176 Encoding of failing bit addresses to facilitate multi-bit failure detect using a wired-OR scheme Jun. 13, 2000
6003154 System and method for covering illegal states in a programmable gate array Dec. 14, 1999
5931968 Digital data recording channel Aug. 3, 1999
5864571 Error detection circuit using two bit to four bit encoder Jan. 26, 1999
5712863 Randomizing encoder for digital data storage Jan. 27, 1998
5644569 Transmission of messages Jul. 1, 1997
5267250 Circuit arrangement for detection of an erroneous selection signal supplied to selection means Nov. 30, 1993
5179561 Totally self-checking checker Jan. 12, 1993
5067132 One out of N checking apparatus and method Nov. 19, 1991
4949343 Error detecting circuit for a decoder Aug. 14, 1990
4888780 Method of detecting and correcting an error that has occurred in a digital computer Dec. 19, 1989
4859815 Serial link transparent mode disparity control Aug. 22, 1989
4827475 Transmitting a digital signal and an additional signal May. 2, 1989
4817115 Encoding and decoding system for electronic data communication system Mar. 28, 1989
4813044 Method and apparatus for detecting transient errors Mar. 14, 1989
4677628 Generator of predetermined sequences of combined logic signals Jun. 30, 1987
4569050 Data communication system with fixed weight error correction and detection code Feb. 4, 1986
4498177 M Out of N code checker circuit Feb. 5, 1985
4426699 Apparatus for detecting single event Jan. 17, 1984
4380813 Error checking of mutually-exclusive control signals Apr. 19, 1983
4320512 Monitored digital system Mar. 16, 1982
4313105 Encoding switches Jan. 26, 1982
4224603 Device for locating the position of a movable component and especially a value-setting component in a franking machine Sep. 23, 1980
4134103 Error-rejecting data transmission system Jan. 9, 1979
4090173 Vital digital communication system May. 16, 1978
4087786 One-bit-out-of-N-bit checking circuit May. 2, 1978
4020460 Method and apparatus of checking to determine if a signal is present on more than one of n lines Apr. 26, 1977











 
 
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