Optical head adjusting apparatus

Details Optical head adjusting apparatus Optical head adjusting apparatus

1997-10-01

1999-11-30

Cao, Allen T.

Dynamic information storage or retrieval

Dynamic mechanism subsystem

Having power driven transducer assembly

G11B 1730

Patent

active

059954795

ABSTRACT:
The swing centers of guide shafts in inclination adjustment of an optical head are set to be on a plane which is perpendicular to a predetermined radial direction of an optical disk and has thereon the rotation axis of a disk motor. When the inclination adjustment of the optical head is conducted, relative gap variation between the optical head and the optical disk does not occur, and the inclination adjustment is realized within a movable range of an objective lens. The inclination angle of the optical head in a radial direction of the optical disk is adjusted by simultaneously moving upward or downward ends of two guide shafts, and the inclination angle of the optical head in a tangential direction of the optical disk can be adjusted by moving upward and downward one end of at least one of the guide shafts.

REFERENCES:
patent: 4958336 (1990-09-01), Suzuki et al.
patent: 5111088 (1992-05-01), Fujino
patent: 5138605 (1992-08-01), Shtipelman et al.
patent: 5189660 (1993-02-01), Caldwell
patent: 5305299 (1994-04-01), Maeda
patent: 5610885 (1997-03-01), Takahashi
patent: 5615204 (1997-03-01), Watanabe et al.
patent: 5764618 (1998-06-01), Kim

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