Optical scanning device and image forming apparatus

Details Optical scanning device and image forming apparatus Optical scanning device and image forming apparatus

2007-01-09

2007-01-09

Cherry, Euncha P. (Department: 2872)

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

C347S243000

Reexamination Certificate

active

11411072

ABSTRACT:
Even number of reflection mirrors reflecting a light beam in the sub-scanning direction is disposed on an optical path from a deflecting reflection surface of an optical deflector to a corresponding surface to be scanned, for a light beam that is incident on the deflecting reflection surface from one side of a line normal to the deflecting reflection surface in the sub-scanning direction. Odd number of reflection mirrors reflecting the light beam in the sub-scanning direction is disposed on the optical path, for a light beam that is incident on the deflecting reflection surface from other side of the line normal to the deflecting reflection surface in the sub-scanning direction.

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