Optical axis adjusting mechanism and method for optical informat

Details Optical axis adjusting mechanism and method for optical informat Optical axis adjusting mechanism and method for optical informat

1990-08-27

1993-06-29

Arnold, Bruce Y.

Optical: systems and elements

Deflection using a moving element

By moving a reflective element

359234, 369 4415, 369112, G02B 2608, G11B 700

Patent

active

052239705

ABSTRACT:
A mechanism for adjusting an optical axis of an optical device, particularly in an optical information recording and reproducing system, in accordance with which the optical axis is movable in two directions, independently of each other. Various parts of the optical system, such as an anamorphic prism and a fixed prism, may be moved to adjust the degree of parallelism and/or displacement of a laser beam. A laser ray source in the system also may be movable independently in different directions.

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patent: 4170404 (1979-10-01), Meye et al.
patent: 4607356 (1986-08-01), Bricot et al.
patent: 5008873 (1991-04-01), Tanaka et al.
patent: 5023858 (1991-06-01), Nakayama
patent: 5070493 (1991-12-01), Marshall et al.
patent: 5097456 (1992-03-01), Tanoshima et al.

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