Optical head device

Details Optical head device Optical head device

1989-03-13

1990-09-18

McElheny, Jr., Donald

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

G11B 708

Patent

active

049583360

ABSTRACT:
An optical head device includes an optical head body, a support shaft directly provided on the optical head body, an optical system holding member movably supported by the support shaft, an optical system held by the optical system holding member for directing a light beam supplied from the optical head body to an object to be irradiated, and drive means for moving the optical system relative to the optical head body.

REFERENCES:
patent: 4236232 (1980-11-01), Jansen et al.
patent: 4467463 (1984-08-01), Yano
patent: 4546460 (1985-10-01), Ando
patent: 4566089 (1986-01-01), Kime
patent: 4571026 (1986-02-01), Maruta
patent: 4643522 (1987-02-01), Takashima
patent: 4644516 (1987-02-01), Musha
patent: 4687296 (1987-08-01), Terayama et al.

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