Optical disc device

Dynamic information storage or retrieval – Information location or remote operator actuated control – Selective addressing of storage medium

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Details

360 7303, 369 50, 369 58, 369 59, G11B 2108, G11B 1926

Patent

active

049842277

ABSTRACT:
An optical disc device includes a disc drive unit for driving an optical disc to rotate at a constant rotating speed, and an optical head for recording and reproducing data to and from the optical disc. A recording or a reproducing timing is determined according to the access position data for setting a recording position or a reproducing position on the optical disc. At the recording or reproducing timing as determined, data is recorded or reproduced at a constant linear density.

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Matsushita-Pat. Abst. of Japan, vol. 8, No. 48, Mar. 1984, p. 258.
Mitsubishi-Pat. Abst. of Japan, vol. 7, No. 90, Apr. 1983, p. 191.

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