Scanniing optical apparatus

Details Scanniing optical apparatus Scanniing optical apparatus

1997-05-08

1999-01-12

Phan, James

Optical: systems and elements

Deflection using a moving element

359197, 359212, 359216, G02B 2608

Patent

active

058597204

ABSTRACT:
A scanning optical apparatus includes a light source, a deflector for deflecting a beam emitted from the light source, an optical device for guiding the beam emitted from the light source to the deflector, a stop member, provided in an optical path between the optical device and the deflector, for shaping a beam size of the beam having passed the optical device, the stop member having an aperture portion, an imaging device for guiding the beam deflected by the deflector onto a surface to be scanned, and a shade member, provided in the optical path between the stop member and the deflector, for intercepting a beam traveling in a central part of the stop member.

REFERENCES:
patent: 5245481 (1993-09-01), Kaneko et al.
patent: 5546216 (1996-08-01), Suzuki
patent: 5724172 (1998-03-01), Ota

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