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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
5555248 Tandem connection maintenance system Sep. 10, 1996
5546409 Error correction encoding and decoding system Aug. 13, 1996
5541940 Error correction method and error correction circuit Jul. 30, 1996
5541941 Method and structure for providing automatic parity sensing Jul. 30, 1996
5535228 Device and method for achieving rotational invariance in a multi-level trellis coding system Jul. 9, 1996
5530946 Processor failure detection and recovery circuit in a dual processor computer system and method of operation thereof Jun. 25, 1996
5526370 Weighted sum codes for error detection Jun. 11, 1996
5517484 Optical disk and optical disk recording and reproducing apparatus May. 14, 1996
5517514 Parity checking system with reduced usage of I/O pins May. 14, 1996
5515360 Method for monitoring the through-connect paths for information transmitted in the form of data bytes in digital time-division multiplex switching equipment May. 7, 1996
5515388 Apparatus and method for preventing repetitive random errors in transform coefficients representing a motion picture signal May. 7, 1996
5513192 Fault tolerant disk drive system with error detection and correction Apr. 30, 1996
5502836 Method for disk restriping during system operation Mar. 26, 1996
5500863 CRC operational system Mar. 19, 1996
5499346 Bus-to-bus bridge for a multiple bus information handling system that optimizes data transfers between a system bus and a peripheral bus Mar. 12, 1996
5490150 Method and apparatus for data parity in a transmission system Feb. 6, 1996
5490156 Cross-coupled parity circuit with charging circuitry to improve response time Feb. 6, 1996
5488731 Synchronization method for loosely coupled arrays of redundant disk drives Jan. 30, 1996
RE35137 High speed serial data link Jan. 2, 1996
5481553 Methods and apparatus for preventing rounding errors when transform coefficients representing a motion picture signal are inversely transformed Jan. 2, 1996
5479611 Disk array apparatus Dec. 26, 1995
5477551 Apparatus and method for optimal error correcting code to parity conversion Dec. 19, 1995
5465262 Method and structure for providing error correction code and automatic parity sensing Nov. 7, 1995
5461629 Error correction in a spread spectrum transceiver Oct. 24, 1995
5459718 Cross connection by using a switch request flag in a digital signal fails before supply to cross connected switch units Oct. 17, 1995
5455939 Method and apparatus for error detection and correction of data transferred between a CPU and system memory Oct. 3, 1995
5442647 Method for on-line monitoring and bit error reduction for through-connected calls in digital communication systems Aug. 15, 1995
5440604 Counter malfunction detection using prior, current and predicted parity Aug. 8, 1995
5434846 Process and apparatus for supervision and/or testing of an ATM-type telecommunications network Jul. 18, 1995
5425038 Error plus single bit error detection Jun. 13, 1995
5412671 Data protection and error correction, particularly for general register sets May. 2, 1995
5412668 Parity striping feature for optical disks May. 2, 1995
5404336 Semiconductor memory device Apr. 4, 1995
5402430 Parity inversion test system Mar. 28, 1995
5392424 Apparatus for detecting parity errors among asynchronous digital signals Feb. 21, 1995
5386387 Semiconductor memory device including additional memory cell block having irregular memory cell arrangement Jan. 31, 1995
5377344 Selective memory transaction monitor system Dec. 27, 1994
5375084 Selectable interface between memory controller and memory simms Dec. 20, 1994
5357531 Multiframe channel parity counter Oct. 18, 1994
5357521 Address sensitive memory testing Oct. 18, 1994
5349589 Generalized viterbi algorithm with tail-biting Sep. 20, 1994
5337322 Method of processing stored data containing parity data Aug. 9, 1994
5335235 FIFO based parity generator Aug. 2, 1994
5325375 Method and apparatus for non-atomic level parity protection for storing data in a random access memory Jun. 28, 1994
5321706 Method and apparatus for checking the address and contents of a memory array Jun. 14, 1994
5313627 Parity error detection and recovery May. 17, 1994
5285456 System and method for improving the integrity of control information Feb. 8, 1994
5278848 Bidirectional communication method Jan. 11, 1994
5268909 Method for reducing bit errors in digital communication systems Dec. 7, 1993
5235602 Synchronous/asynchronous I/O channel check and parity check detector Aug. 10, 1993

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