Error correction codes

Details Error correction codes Error correction codes

2006-07-11

2006-07-11

Lamarre, Guy J. (Department: 2133)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

C714S756000, C714S784000

Reexamination Certificate

active

07076723

ABSTRACT:
Data stored on a storage medium is corrected by retrieving a plurality of data blocks and a plurality of error correction codes (ECCs) from the storage medium. An ECC corresponds to a data set having data from multiple data blocks, and the ECCs are generated prior to storing the data blocks and the ECCs in the storage medium. After retrieving the data blocks and ECCs from the storage medium, a data set is identified as having an error based on the data in the data set and the ECC corresponding to the data set, where an error indicates that the data in the data set retrieved from the storage medium is different from the data in the data set when the data was originally stored in the storage medium. Data in the data set identified as having an error is corrected using the ECC corresponding to the data set.

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European Search Report completed on Jan. 11, 2005 and mailed on Feb. 1, 2005, for EP patent application No. 0451343.2, filed on Mar. 9, 2004: 2 pages.

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