Method of recording/reproducing optical disk data

Details Method of recording/reproducing optical disk data Method of recording/reproducing optical disk data

1992-11-23

1995-02-07

Atkinson, Charles E.

Excavating

371 102, 369 4432, G06F 1110, H03M 1300

Patent

active

053881052

ABSTRACT:
A method of recording and reproducing data on and from a rewritable optical disk used for recording/reproduction of data on a sector by sector basis. A dummy block or a parity subject to error detection and correction coding is additionally recorded at the rear of a data block on a sector. A defect caused by deterioration due to reiterative operation at the trail of the sector can be prevented from reaching the data block and data can be reproduced with high reliability.

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patent: 4821254 (1989-04-01), Satoh et al.
patent: 4889979 (1989-12-01), Drexler et al.
patent: 4912695 (1990-03-01), Senshu
patent: 4949311 (1990-08-01), Barnard
patent: 4984230 (1991-01-01), Satoh et al.

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