Optical disk driving apparatus with tracking control

Details Optical disk driving apparatus with tracking control Optical disk driving apparatus with tracking control

1998-02-12

1999-02-16

Edun, Muhammad N.

Dynamic information storage or retrieval

Condition indicating, monitoring, or testing

Including radiation storage or retrieval

369 58, G11B 700

Patent

active

058727531

ABSTRACT:
An optical disk driving apparatus comprises an optical pickup device having a laser beam source for emitting a laser beam to a disk recording medium, a unit for rotating the disk recording medium such that a linear velocity of a track on the recording medium accessed by the optical pickup device becomes a predetermined value, a unit for translating the optical pickup device along a radius of the disk recording medium in accordance with a seek signal indicative of the track to be accessed by the optical pickup device, and a unit responsive to the seek signal for controlling both the translating unit and the rotating unit, the translating means being prevented from translating the optical pickup device during a period until the linear velocity of the track desired by the seek signal on the disk recording medium reaches down to a value determined by the linear velocity of the desired track when the seek signal represents the order to transfer the optical pickup device from inner to outer tracks of the disk.

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patent: 4918676 (1990-04-01), Miyasaka
patent: 5088075 (1992-02-01), Yokota
patent: 5105402 (1992-04-01), Ishii et al.
patent: 5126994 (1992-06-01), Ogawa et al.
patent: 5216647 (1993-06-01), Kitani
patent: 5218453 (1993-06-01), Hashimoto

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