Optical scanner and image reproducing apparatus

Details Optical scanner and image reproducing apparatus Optical scanner and image reproducing apparatus

2005-08-23

2005-08-23

Phan, James (Department: 2872)

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

C359S216100, C347S243000

Reexamination Certificate

active

06934061

ABSTRACT:
An optical scanner includes at least a pair of optical scanning systems and a light deflector used in common between the optical scanning systems, each optical scanning system having a scan lens for guiding the beam deflected from the light deflector onto the associated scanned plane. One of the optical scanning systems has a first reference reflecting position on the light deflector, and the other optical scanning system has a second reference reflecting position on the light deflector. The first and second reference reflecting positions are asymmetric with respect to the reference plane of the optical scanner. The scan lenses of said pair of optical scanning systems are arranged to be symmetric with respect to a line passing through the rotational center of the light deflector and extending in parallel to the scanned planes.

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