Apparatus for error correction

Details Apparatus for error correction Apparatus for error correction

1983-01-19

1985-07-30

Atkinson, Charles E.

Excavating

371 39, 371 44, G06F 1110

Patent

active

045326290

ABSTRACT:
In apparatus for error correction in which data sequences containing blocks of data, previously arranged on a known time-base, and formed of data words and check words are written into a memory under control of a write address generator, and the data sequences are subsequently read out from the memory under control of a write address generator, so as to generate rearranged data sequences; during writing and reading of the data sequences, error correction is carried out by apparatus that includes an error correction arithmetic circuit for performing the error correction calculation, a pointer addition circuit for adding a pointer to the data words in association with an error state of the blocks, and a memory for memorizing a microprogram having fields to control the error correction arithmetic circuit and pointer addition circuit.

REFERENCES:
patent: 3231858 (1966-01-01), Tuomenoksa et al.
patent: 4291406 (1981-09-01), Bahl et al.
patent: 4360916 (1982-11-01), Kustedjo et al.
patent: 4398224 (1983-08-01), Wantanabe
patent: 4433415 (1984-02-01), Kojima
patent: 4437185 (1984-03-01), Sako et al.

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