Scanning optical apparatus

Details Scanning optical apparatus Scanning optical apparatus

1997-12-29

2000-04-04

Phan, James

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359207, 359212, 359216, 359217, 347243, 347244, G02B 2608

Patent

active

060468351

ABSTRACT:
In a scanning optical apparatus, a light beam emitted by a light source is caused to be obliquely incident on a deflection surface of an optical deflector in a sub scanning section through an optical device to form an image of the light beam deflectively reflected by the optical deflector on a surface to be scanned by an imaging optical system. A lateral magnification of the imaging optical system in a sub scanning direction is caused to change in accordance with a distance away from the on-axis to an off-axis along the main scanning direction.

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patent: 4878066 (1989-10-01), Shiraishi
patent: 5200850 (1993-04-01), Iizuka et al.
patent: 5701190 (1997-12-01), Mochizuki et al.
patent: 5745277 (1998-04-01), Boku et al.

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