Scanning optical apparatus

Details Scanning optical apparatus Scanning optical apparatus

1990-10-17

1993-02-16

Arnold, Bruce Y.

Optical: systems and elements

Deflection using a moving element

359206, 359215, G02B 2608

Patent

active

051876060

ABSTRACT:
A scanning optical apparatus has a light source for emitting a light beam, and a deflector such as rotatable polygonal mirror having a plurality of mirror surfaces for deflecting the light beam emitted from the light source. Each mirror surface of the rotatable polygonal mirror has a pair of reflecting surfaces inclined toward the center axis of rotation of the polygonal mirror and orthogonal to each other. A fixed reflecting mirror is arranged in opposed relationship with one of the pair of reflecting surfaces so that the light beam deflected by the deflector is reflected to be returned to the deflector again.

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patent: 4960312 (1990-10-01), Razzaghi
patent: 4978977 (1990-12-01), Ohmori et al.
patent: 5015096 (1991-05-01), Kowalski et al.
patent: 5044710 (1991-09-01), Iwai et al.

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