Seek control system for optical storage apparatus

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

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Details

369 4414, G11B 700

Patent

active

054815100

ABSTRACT:
A seek control system used in an optical storage apparatus to move an optical head, which at least reads information from an optical disk by applying light thereto, to a target position on the optical disk. The seek control system includes a positioner for moving the optical head for seek, and a one-dimensional optical position detector having a photo-sensitive surface disposed in the path of movement of the optical head to output a position signal corresponding to a light spot position on the photo-sensitive surface. The seek control system further includes a light-emitting device provided on either the optical head or the positioner to apply light to the one-dimensional optical position detector, and a controller for controlling the drive of the positioner on the basis of a position detection output of the one-dimensional optical position detector.

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patent: 5042019 (1991-08-01), Kitai et al.
patent: 5218453 (1993-06-01), Hashimoto
patent: 5247498 (1993-09-01), Takekoshi et al.
patent: 5268883 (1993-12-01), Yamaguchi et al.

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