Optical pick-up aparatus

Details Optical pick-up aparatus Optical pick-up aparatus

1989-06-09

1991-11-12

Richardson, Robert L.

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

369111, 369 4424, 369112, G11B 700

Patent

active

050653814

ABSTRACT:
In an optical pick-up apparatus, light beam from a laser beam source is reflected by an optical element and is incident onto a disk. The optical pick-up apparatus comprises a support structure disposed in the optical element and making a deforming direction of the optical element caused by the support structure parallel or perpendicular to a track direction of the disk mirrored on the optical element. The support structure supports end edge portions of the optical element approximately opposed to each other in the parallel or perpendicular direction with respect to the track direction of the disk mirrored on the optical disk.

REFERENCES:
patent: 4754355 (1988-06-01), Takahashi et al.
patent: 4767921 (1988-08-01), Kawasaki et al.

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