Error correction method, error correction circuit and...

Details Error correction method, error correction circuit and... Error correction method, error correction circuit and...

2007-01-02

2007-01-02

Dildine, R. Stephen (Department: 2133)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

C714S769000, C714S770000, C714S771000, C714S784000

Reexamination Certificate

active

10666001

ABSTRACT:
An error correction method is provided as follows: handling a 2-event error generated very frequently as an object of correction; sequentially finding CRC data for a generated event of an error handled as the defined object of correction at any arbitrary bit position of reproduced data by implementation of a cyclic-replacement process; carrying out an exclusive-addition process of the CRC data to CRC data of the reproduced data in order to virtually carry out a tentative-correction process on a 1-event error at a first bit position; further finding CRC data generated after the tentative-correction process in order to detect a 1-event error at a second bit position; and correcting the 1-event error completing the tentative-correction process at the first position and the 1-event error at the second bit position.

REFERENCES:
patent: 4843607 (1989-06-01), Tong
patent: 2000134114 (2000-05-01), None
patent: 2000057709 (2002-12-01), None

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