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Class Information
Number: 714/766
Name: Error detection/correction and fault detection/recovery > Pulse or data error handling > Digital data error correction > Forward correction by block code > Memory access > Check bits stored in separate area of memory
Description: Subject matter including a section of memory for storage of the check bits separate from that the section of memory storing data information.










Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
5996046 Parity generation system for generating new parity using old data in temporary storage without accessing main disk storage of disk drive Nov. 30, 1999
5996107 Error correction decoder including an address generation circuit Nov. 30, 1999
5978958 Data transmission system, data recording and reproducing apparatus and recording medium each having data structure of error correcting code Nov. 2, 1999
5958079 Memory card with error correction scheme requiring reducing memory capacity Sep. 28, 1999
5958078 Storage unit and storage unit subsystem Sep. 28, 1999
5951710 Method and apparatus for checking compressed data errors Sep. 14, 1999
5942004 Device and a method for storing data and corresponding error-correction information Aug. 24, 1999
5923682 Error correction chip for memory applications Jul. 13, 1999
5896404 Programmable burst length DRAM Apr. 20, 1999
5889795 Disk array system and method for storing data Mar. 30, 1999
5883908 Device for detecting error from digital data Mar. 16, 1999
5872800 Write verify method for correcting unrecoverable sectors in a disc storage system using track level redundancy Feb. 16, 1999
5826002 Parity storage unit, in a disk array system for generating updated parity data from received data records Oct. 20, 1998
5781920 Data storage apparatus having data and parity media Jul. 14, 1998
5781568 Error detection and correction method and apparatus for computer memory Jul. 14, 1998
5778007 Method and circuit for transferring data with dynamic parity generation and checking scheme in multi-port DRAM Jul. 7, 1998
5778012 Memory device with improved yield and reliability Jul. 7, 1998
5774643 Enhanced raid write hole protection and recovery Jun. 30, 1998
5768294 Memory implemented error detection and correction code capable of detecting errors in fetching data from a wrong address Jun. 16, 1998
5761221 Memory implemented error detection and correction code using memory modules Jun. 2, 1998
5757823 Error detection and correction for four-bit-per-chip memory system May. 26, 1998
5751733 Interleaved redundancy sector for correcting an unrecoverable sector in a disc storage device May. 12, 1998
5745508 Error-detection code Apr. 28, 1998
5737344 Digital data storage with increased robustness against data loss Apr. 7, 1998
5734664 Method and apparatus to efficiently store error codes Mar. 31, 1998
5703787 Wave analyzing apparatus and wave analyzing method Dec. 30, 1997
5680579 Redundant array of solid state memory devices Oct. 21, 1997
5675726 Flexible parity generation circuit Oct. 7, 1997
5659677 Data storage apparatus for disk array Aug. 19, 1997
5638385 Fast check bit write for a semiconductor memory Jun. 10, 1997
5623506 Method and structure for providing error correction code within a system having SIMMs Apr. 22, 1997
5621682 Memory system Apr. 15, 1997
5619514 In-place present state/next state registers Apr. 8, 1997
5594743 Fifo buffer system having an error detection and correction device Jan. 14, 1997
5592498 CRC/EDC checker system Jan. 7, 1997
5583876 Disk array device and method of updating error correction codes by collectively writing new error correction code at sequentially accessible locations Dec. 10, 1996
5577004 Memory system and method Nov. 19, 1996
5574736 Data storage device and method of operation Nov. 12, 1996
5561628 IC card and a method for parallel processing flash memories Oct. 1, 1996
5555250 Data error detection and correction system Sep. 10, 1996
5546409 Error correction encoding and decoding system Aug. 13, 1996
5546402 Flash-erase-type nonvolatile semiconductor storage device Aug. 13, 1996
5535327 Method and apparatus for communicating formatted data from a mass storage device to a host computer Jul. 9, 1996
5535227 Digital information error correcting apparatus for single error correcting (SEC), double error detecting (DED), single byte error detecting (SBED), and odd numbered single byte error correctin Jul. 9, 1996
5519712 Current mode test circuit for SRAM May. 21, 1996
5491703 Cam with additional row cells connected to match line Feb. 13, 1996
5485475 Data storage device and data managing method Jan. 16, 1996
5479418 Error and loss correction in a data base stored on a two dimensional medium and method Dec. 26, 1995
5477552 Apparatus and method for data check in storage system Dec. 19, 1995
5469451 Error detection and correction of a semiconductor memory device Nov. 21, 1995

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