Light scanning apparatus

Details Light scanning apparatus Light scanning apparatus

1990-12-21

1993-01-19

Arnold, Bruce Y.

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359206, 359207, 346108, G02B 2608

Patent

active

051811375

ABSTRACT:
A light scanning apparatus comprises a light source having a plurality of light emitting unit, a deflector for deflecting a plurality of light beams emanated from the light source, a first optical system which is for focusing the plural light beams deflected by the deflector and which is afocal in a refractive power in a sub-scan direction and has an f-.theta. characteristic in a refractive power in a scan direction, and a second optical system which is for directing the light beams from the first optical system to a predetermined plane and is provided for each of the light beams.

REFERENCES:
patent: 4390235 (1983-06-01), Minoura
patent: 4855761 (1989-08-01), Hiiro
patent: 4962983 (1990-10-01), Watanabe

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