Apparatus for detecting and correcting errors on product codes

Details Apparatus for detecting and correcting errors on product codes Apparatus for detecting and correcting errors on product codes

1984-09-12

1987-03-24

Fleming, Michael R.

Excavating

371 49, G06F 1110

Patent

active

046530517

ABSTRACT:
Apparatus for detecting and correcting errors on product codes, utilizing a product code of minimum distance 2t symbols constituted by two codes having minimum distance 2 and minimum distance t respectively. First the code of minimum distance t is decoded, and secondly error number flags generated in the decoding operation are classified into three decoding modes by statistical processing. Errors are detected or corrected according to the decoding mode.

REFERENCES:
patent: 4371963 (1983-02-01), Edwards
patent: 4453251 (1984-06-01), Osman
patent: 4456980 (1984-06-01), Yamada
patent: 4464747 (1984-08-01), Groudan
patent: 4549295 (1985-10-01), Purvis
patent: 4564945 (1986-01-01), Glover

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