Data storage method with error correction

Details Data storage method with error correction Data storage method with error correction

2006-10-17

2006-10-17

Chase, Shelly (Department: 2133)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

Reexamination Certificate

active

07124348

ABSTRACT:
The invention concerns a data storage method enabling error detection and correction in an organized storage for reading and writing words of a first number (m) of bits and optionally for modifying only part of such a word, comprising the following steps which consist in: associating an error detection and correction code with a group of a second number (k≧1) of words; and at each partial writing in the group of words, calculating a new code of the modified group of words; performing a verification operation and, if an error occurs, carrying out an error correction of the modified word and/or of the new code.

REFERENCES:
patent: 4277844 (1981-07-01), Hancock et al.
patent: 5357529 (1994-10-01), Tatosian et al.
patent: 5841795 (1998-11-01), Olarig et al.
French Search Report for application PCT/FR02/0358 of international date of Oct. 31, 2002 and published as WO 03/038620 A2 on May 8, 2003 covering French applications FA 613226 and FR 0114231 dated Aug. 9, 2002. The report cites US Patent 3,814,921 dated Jun. 4, 1974 and 3,573,728 issued Apr. 6, 1971, International Publication No. WO 01/14971 A1 dated Mar. 2001 and EP 0 491 073 A dated Jun. 24, 1992, copies of which are included herein.

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