Optical scanning apparatus

Details Optical scanning apparatus Optical scanning apparatus

2007-08-03

2008-11-25

Phan, James (Department: 2872)

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

C359S822000, C359S210100

Reexamination Certificate

active

07457020

ABSTRACT:
The optical scanning apparatus has a first light source, a second light source disposed in a side-by-side relationship with the first light source in a sub-scanning direction, a deflector deflecting respectively a first light beam outgoing from the first light source and a second light beam outgoing from the second light source, and scanning over different scanned surfaces with the light beams, a first optical member provided in a first optical path between the first light source and the deflector, wherein the first light beam outgoing from the first light source passes through, a second optical member provided in a second optical path between the second light source and the deflector, wherein the second light beam outgoing from the second light source passes through, disposed beside the first optical member in the sub-scanning direction, the second optical member having the same optical characteristic as the first optical member, a holding member that holds a side face of the optical member and a side face of the second optical member and positions the first optical member and the second optical member in a main-scanning direction; and an adjusting mechanism adjusting an attitude of the holding member.

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