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Class Information
Number: 714/757
Name: Error detection/correction and fault detection/recovery > Pulse or data error handling > Digital data error correction > Forward correction by block code > Parallel generation of check bits
Description: Subject matter having plural check bit calculating elements connected in parallel.


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
7627801 Methods and apparatus for encoding LDPC codes Dec. 1, 2009
RE40991 Fast cyclic redundancy check (CRC) generation Nov. 17, 2009
7613256 Forward error correction in a distribution system Nov. 3, 2009
7613980 System for computing a CRC value by processing a data message a word at a time Nov. 3, 2009
7606266 HDLC hardware accelerator Oct. 20, 2009
7600176 Performing multiple Reed-Solomon (RS) software error correction coding (ECC) Galois field computations simultaneously Oct. 6, 2009
7590916 Cyclic redundancy checking value calculator Sep. 15, 2009
7571368 Digital content protection systems and methods Aug. 4, 2009
7543211 Toggle memory burst Jun. 2, 2009
7536631 Advanced communication apparatus and method for verified communication May. 19, 2009
7523305 Employing cyclic redundancy checks to provide data security Apr. 21, 2009
7509564 High speed syndrome-based FEC encoder and system using same Mar. 24, 2009
RE40684 Fast cyclic redundancy check (CRC) generation Mar. 24, 2009
7458006 Methods for computing the CRC of a message from the incremental CRCs of composite sub-messages Nov. 25, 2008
7451382 Apparatus and method for generating (n,3) code and (n,4) code using simplex codes Nov. 11, 2008
7395483 Method and apparatus for performing error-detection and error-correction Jul. 1, 2008
7383464 Non-inline transaction error correction Jun. 3, 2008
7318189 Parallel convolutional encoder Jan. 8, 2008
7299398 Data generating method for forming desired CRC code Nov. 20, 2007
7299399 Method and apparatus for parallelly processing data and error correction code in memory Nov. 20, 2007
7281192 LDPC (Low Density Parity Check) coded signal decoding using parallel and simultaneous bit node and check node processing Oct. 9, 2007
7278090 Correction parameter determination system Oct. 2, 2007
7254769 Encoding/decoding apparatus using low density parity check code Aug. 7, 2007
7225387 Multilevel parallel CRC generation and checking circuit May. 29, 2007
7219293 High performance CRC calculation method and system with a matrix transformation strategy May. 15, 2007
7194672 CRC verification apparatus with constant delay and method thereof Mar. 20, 2007
7181671 Parallelized CRC calculation method and system Feb. 20, 2007
7178080 Hardware-efficient low density parity check code for digital communications Feb. 13, 2007
7149932 Serial communication device and method of carrying out serial communication Dec. 12, 2006
7137057 Method and apparatus for performing error correction code (ECC) conversion Nov. 14, 2006
7085983 Matrix operation processing device Aug. 1, 2006
7055080 High code rate block coding/decoding method and apparatus May. 30, 2006
7046560 Reduction of fusible links and associated circuitry on memory dies May. 16, 2006
7016658 Apparatus and method for transmitting/receiving data according to channel condition in a CDMA mobile communication system with antenna array Mar. 21, 2006
6978416 Error correction with low latency for bus structures Dec. 20, 2005
6968491 Generating a check matrix for error correction Nov. 22, 2005
6961888 Methods and apparatus for encoding LDPC codes Nov. 1, 2005
6957375 Method and apparatus for performing low-density parity-check (LDPC) code operations using a multi-level permutation Oct. 18, 2005
6938197 CRC calculation system and method for a packet arriving on an n-byte wide bus Aug. 30, 2005
6934902 CRC encoding circuit, CRC encoding method, data sending device and data receiving device Aug. 23, 2005
6928608 Apparatus and method for accelerating cyclic redundancy check calculations Aug. 9, 2005
6912683 Method, apparatus, and product for use in generating CRC and other remainder based codes Jun. 28, 2005
6910172 CRC encoding circuit, CRC encoding method, data sending device and data receiving device Jun. 21, 2005
6895545 System and method for generating cyclic codes for error control in digital communications May. 17, 2005
6851085 Apparatus and method for generating (n, 3) code and (n, 4) code using simplex codes Feb. 1, 2005
6820228 Fast cyclic redundancy check (CRC) generation Nov. 16, 2004
6810501 Single cycle cyclic redundancy checker/generator Oct. 26, 2004
6772289 Methods and apparatus for managing cached CRC values in a storage controller Aug. 3, 2004
6771674 Method and system for forward error correction based on parallel streams Aug. 3, 2004
6763495 CRC code calculation circuit and CRC code calculation method Jul. 13, 2004

1 2 3 4


 
 
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