Optical scanner and image forming apparatus

Details Optical scanner and image forming apparatus Optical scanner and image forming apparatus

2007-12-20

2010-12-28

Cherry, Euncha P (Department: 2872)

Optical: systems and elements

Deflection using a moving element

C359S216100

Reexamination Certificate

active

07859732

ABSTRACT:
A scanning optical system is configured such that at least a smaller value of the size in a main scanning direction of optical beams entering into an opening provided in an aperture member relative to the size of the opening of the aperture member in the main scanning direction and the size in a sub scanning direction of the optical beams entering into the opening relative to the size of the opening in the sub scanning direction is equal to or larger than 1 and equal to or smaller than 2.

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