Optical disk apparatus having a stationary optical system and a

Details Optical disk apparatus having a stationary optical system and a Optical disk apparatus having a stationary optical system and a

1991-04-17

1993-05-04

Sniezek, Andrew L.

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

369114, G11B 700

Patent

active

052087948

ABSTRACT:
An optical disk apparatus includes a stationary optical portion having a light source and a first opening through which a beam emitted from the light source passes, and a movable optical portion which moves linearly with respect to the stationary optical portion and which receives the beam from the light source through a second opening of the movable optical portion and irradiates the beam to an optical disk. The optical disk apparatus also includes a non-operating status detection part for detecting a predetermined non-operating status of the optical disk apparatus, and a controller for moving the movable optical portion to a contact position where the movable optical portion is in contact with the stationary optical portion so that the first opening of the stationary optical portion is in contact with the second opening of the movable optical portion when the non-operating status detection part detects the predetermined non-operating status.

REFERENCES:
patent: 4959824 (1990-09-01), Meda et al.
patent: 4977552 (1990-12-01), Gotoh
patent: 5023858 (1991-06-01), Nakayama
patent: 5068843 (1991-11-01), Takeshita et al.

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