Optical disk apparatus

Details Optical disk apparatus Optical disk apparatus

Filed on

1982-04-30

Date issued

1984-11-06

Examiner

Richardson, Robert L.

Patent Class

Dynamic information storage or retrieval

SubClass

Condition indicating, monitoring, or testing

SubSubClass

Including radiation storage or retrieval

Other Related Categories

369 44, 369 98, 369219, 360 78, G11B 2108

Type

Patent

Status

active

Patent number

044816138

Description

ABSTRACT:
An optical head is mounted on a carrier of a linear motor, and is moved at a high speed to a desired track, i.e., a target position, of an optical disk by the linear motor. In the optical head, a laser oscillator for generating a laser beam, a tracking unit for tracking a laser beam and a focusing unit for focusing a laser beam onto an optical disk are integrally assembled.

REFERENCES:
patent: 4214756 (1980-07-01), Ohmura
patent: 4230323 (1980-10-01), Tsuji et al.
patent: 4293944 (1981-10-01), Izumita et al.
patent: 4323997 (1982-04-01), Kuribayashi et al.
patent: 4361880 (1982-11-01), Kitamura et al.
patent: 4397009 (1983-08-01), Eriksson
Fujitsu Scientific & Technical Journal, pp. 95-118, Mar. 1974.

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