Recording/reproducing device and method of replacing defective s

Details Recording/reproducing device and method of replacing defective s Recording/reproducing device and method of replacing defective s

1997-09-23

2000-03-28

Psitos, Aristotelis M.

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Data verification

360 47, 371 51, 371 102, G11D 509, G06F 1100, G11C 2900

Patent

active

060439459

ABSTRACT:
A device for recording and reproducing data on a recording media includes an error detecting unit for detecting a defective sector by reading the data from the media, a data copying unit for copying the data of the defective sector to at least one temporary replacing sector, a test unit for testing whether the defective sector has a media defect, and a replacement unit for replacing the defective sector with a spare sector by copying the data of the at least one temporary replacing sector to the spare sector when the defective sector has the media defect.

REFERENCES:
patent: 4942609 (1990-07-01), Meyer
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patent: 5216655 (1993-06-01), Hearn et al.
patent: 5237553 (1993-08-01), Fukushima et al.
patent: 5255270 (1993-10-01), Yanai et al.
patent: 5515500 (1996-05-01), Mizuno et al.
patent: 5517111 (1996-05-01), Shelor
patent: 5532992 (1996-07-01), Funamoto
patent: 5563746 (1996-10-01), Bliss
patent: 5600500 (1997-02-01), Madsen et al.

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