Optical scanner, image forming apparatus, and optical...

Details Optical scanner, image forming apparatus, and optical... Optical scanner, image forming apparatus, and optical...

2007-08-07

2007-08-07

Allen, Stephone B. (Department: 2872)

Optical: systems and elements

Deflection using a moving element

C359S204200, C359S900000, C347S259000, C347S243000, C347S244000

Reexamination Certificate

active

11333433

ABSTRACT:
An optical scanner includes a light source that emits a light beam, a deflection unit that deflects the light beam, an optical unit that introduces the light beam to a target surface, a housing unit that stores these components, and a member that contacts the light source and/or the optical unit. The light source and/or the optical unit changes in attitude due to a temperature change while the optical scanner is operating. The member extends or contracts according to the temperature change so as to reduce the change of the attitude.

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