Digital data recording and reproducing device

Details Digital data recording and reproducing device Digital data recording and reproducing device

1984-09-05

1987-07-14

Atkinson, Charles E.

Excavating

360 381, 360 53, 371 38, G06F 1110

Patent

active

046807632

ABSTRACT:
A digital data recording and reproducing device has an operation of error detection performed with respect to data with a code word length of M bits for m.sub.1 most significant bits and for m.sub.2 least significant bits. Error concealment is done for each of these error detections. When reproducing data at a different tape speed from that at the time of recording an operation of detecting an error in the less significant m.sub.2 bits is inhibited, and the reference of judgement of an error in the data is altered.

REFERENCES:
patent: 4215335 (1980-07-01), Doi et al.
patent: 4306305 (1981-12-01), Doi et al.
patent: 4314369 (1982-02-01), Caillet et al.
patent: 4321704 (1982-03-01), Lemoine
patent: 4329708 (1982-05-01), Yamamoto et al.
patent: 4437125 (1984-03-01), Yamamoto
patent: 4497055 (1985-01-01), Hoshino et al.

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