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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
4920518 Semiconductor integrated circuit with nonvolatile memory Apr. 24, 1990
4914656 Disk drive memory Apr. 3, 1990
4912695 Method for recording information including error information on a disk Mar. 27, 1990
4903268 Semiconductor memory device having on-chip error check and correction functions Feb. 20, 1990
4845664 On-chip bit reordering structure Jul. 4, 1989
4802173 Method of and device for decoding a block of code symbols which is distributed between code words in two ways, each code word being protected by a maximum distance separable code Jan. 31, 1989
4802170 Error disbursing format for digital information and method for organizing same Jan. 31, 1989
4796260 Schilling-Manela forward error correction and detection code method and apparatus Jan. 3, 1989
4780602 IC card Oct. 25, 1988
4768193 Semiconductor memory device having error correction function and incorporating redundancy configuration Aug. 30, 1988
4768197 Cache error code update Aug. 30, 1988
4758989 ROM having bit lines interlaced with column lines and cell column selection according to regularly interlaced logical fields Jul. 19, 1988
4730320 Semiconductor memory device Mar. 8, 1988
4710934 Random access memory with error correction capability Dec. 1, 1987
4692923 Fault tolerant memory Sep. 8, 1987
4646304 Single error correction circuit for system memory Feb. 24, 1987
4612640 Error checking and correction circuitry for use with an electrically-programmable and electrically-erasable memory array Sep. 16, 1986
4513420 Error detecting system Apr. 23, 1985
4506365 Error correction system Mar. 19, 1985
4414587 Skew sensing for digital tape playback Nov. 8, 1983
4334309 Error correcting code system Jun. 8, 1982
4317201 Error detecting and correcting RAM assembly Feb. 23, 1982
4277844 Method of detecting and correcting errors in digital data storage systems Jul. 7, 1981
4139148 Double bit error correction using single bit error correction, double bit error detection logic and syndrome bit memory Feb. 13, 1979
3988580 Storage of information Oct. 26, 1976

1 2 3 4 5 6 7 8

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