Optical disk drive apparatus for searching a target track

Details Optical disk drive apparatus for searching a target track Optical disk drive apparatus for searching a target track

1992-11-19

1994-08-16

Pascal, Robert J.

Dynamic information storage or retrieval

Information location or remote operator actuated control

Selective addressing of storage medium

369 4428, 369 33, G11B 1722

Patent

active

053392990

ABSTRACT:
The present invention provides an optical disk drive apparatus, and a method for driving the same, which makes the most of the ability of acceleration and deceleration in an actuator in a simple system configuration to realize fast seek operation of high reliability. An optical disk drive apparatus according to the present invention provides the means for determining whether the number of tracks from a current track to a target track is smaller than the predetermined number and the means for driving the fine actuator in the tracking direction under the velocity control based on a tracking error signal if the number of tracks from the current track to the target track is smaller than the predetermined number.

REFERENCES:
patent: 4866687 (1989-09-01), Kasai et al.
patent: 4901299 (1990-02-01), Nakatsu
patent: 4926405 (1990-05-01), Hangai et al.
patent: 5228019 (1993-07-01), Yanagi

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