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Class Information
Number: 714/800
Name: Error detection/correction and fault detection/recovery > Pulse or data error handling > Error/fault detection technique > Parity bit
Description: Subject matter in which a redundant bit is added to a block of data bits.

Sub-classes under this class:

Class Number Class Name Patents
714/802 Even and odd parity 76
714/801 Parity generator or checker circuit detail 450
714/803 Parity prediction 49
714/804 Plural dimension parity check 161
714/805 Storage accessing (e.g., address parity check) 432

Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13

Patent Number Title Of Patent Date Issued
7739558 Method and apparatus for rectifying errors in the presence of known trapping sets in iterative decoders and expedited bit error rate testing Jun. 15, 2010
7730377 Layered decoding of low density parity check (LDPC) codes Jun. 1, 2010
7725810 Decoding of multiple data streams encoded using a block coding algorithm May. 25, 2010
7716561 Multi-threshold reliability decoding of low-density parity check codes May. 11, 2010
7702986 Rate-compatible LDPC codes Apr. 20, 2010
7698503 Computer system with data recovering, method of managing data with data recovering and managing computer for data recovering Apr. 13, 2010
7689890 System and method for handling write commands to prevent corrupted parity information in a storage array Mar. 30, 2010
7676719 Transmitter apparatus and multiantenna transmitter apparatus Mar. 9, 2010
7673225 Apparatus and method for transmitting/receiving data in a communication system using structured low density parity check code Mar. 2, 2010
7673217 Method of detecting data transmission errors in a CAN controller, and a CAN controller for carrying out the method Mar. 2, 2010
7673215 Apparatus and method for using an error correcting code to achieve data compression in a data communication network Mar. 2, 2010
7673207 Method for at speed testing of devices Mar. 2, 2010
7673190 System and method for detecting and recovering from errors in an instruction stream of an electronic data processing system Mar. 2, 2010
7668248 High-performance LDPC coding for digital communications in a multiple-input, multiple-output environment Feb. 23, 2010
7657783 Apparatus and computer program product for testing ability to recover from cache directory errors Feb. 2, 2010
7653712 Methods and apparatus for processing configuration data Jan. 26, 2010
7647548 Methods and apparatus for low-density parity check decoding using hardware-sharing and serial sum-product architecture Jan. 12, 2010
7644348 Method and apparatus for error detection and correction Jan. 5, 2010
7631250 Method and apparatus for self-compensation on belief-propagation algorithm Dec. 8, 2009
7627805 Data coding with an efficient LDPC encoder Dec. 1, 2009
7624334 Construction and use of shortened EG-LDPC codes Nov. 24, 2009
7617441 Efficient construction of LDPC (Low Density Parity Check) codes with corresponding parity check matrix having CSI (Cyclic Shifted Identity) sub-matrices Nov. 10, 2009
7613958 Error detection in a system having coupled channels Nov. 3, 2009
7607075 Method and apparatus for encoding and decoding data Oct. 20, 2009
7607072 Method and apparatus for-soft-output viterbi detection using a multiple-step trellis Oct. 20, 2009
7607063 Decoding method and device for decoding linear code Oct. 20, 2009
7596743 Method and apparatus for error management Sep. 29, 2009
7590929 Record reproduction method, apparatus, and circuit for using error correcting code Sep. 15, 2009
7581162 System, method and computer program product for implementing rate 3/4 low density parity check code Aug. 25, 2009
7571371 Parallel parity checking for content addressable memory and ternary content addressable memory Aug. 4, 2009
7565597 Fast parity scan of memory arrays Jul. 21, 2009
7562281 Autonomic parity exchange Jul. 14, 2009
7559005 Method and device for storing data Jul. 7, 2009
7559008 Nested LDPC encoders and decoder Jul. 7, 2009
7555703 Method and apparatus for reducing false error detection in a microprocessor Jun. 30, 2009
7555698 Method and apparatus for extracting specific data from BIS data Jun. 30, 2009
7543221 Method and apparatus for reducing false error detection in a redundant multi-threaded system Jun. 2, 2009
7526717 Apparatus and method for coding and decoding semi-systematic block low density parity check codes Apr. 28, 2009
7523375 Set of irregular LDPC codes with random structure and low encoding complexity Apr. 21, 2009
7519629 System and method for tolerating multiple storage device failures in a storage system with constrained parity in-degree Apr. 14, 2009
7519895 Channel encoding/decoding apparatus and method using a parallel concatenated low density parity check code Apr. 14, 2009
7509525 Technique for correcting multiple storage device failures in a storage array Mar. 24, 2009
RE40684 Fast cyclic redundancy check (CRC) generation Mar. 24, 2009
7502991 Redundant 3-wire communication system Mar. 10, 2009
7499490 Encoders for block-circulant LDPC codes Mar. 3, 2009
7493551 Method and device for delivering punctured code words encoded with a LDPC code Feb. 17, 2009
7480851 Robust error correction encoding/decoding apparatus and method of digital dual-stream broadcast reception/transmission system Jan. 20, 2009
7472332 Method for the reliability of host data stored on fibre channel attached storage subsystems Dec. 30, 2008
7460610 Communication system, receiver, and communication method for correcting transmission communication errors Dec. 2, 2008
7458011 Low complexity hybrid ARQ scheme based on rate compatible zigzag codes Nov. 25, 2008

1 2 3 4 5 6 7 8 9 10 11 12 13

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