Optical scan apparatus and image formation apparatus

Details Optical scan apparatus and image formation apparatus Optical scan apparatus and image formation apparatus

2011-01-11

2011-01-11

Cherry, Euncha P (Department: 2872)

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

C359S215100

Reexamination Certificate

active

07869110

ABSTRACT:
An optical scan apparatus is configured to include a light source emitting a light beam; a vibration mirror deflecting the light beam emitted from the light source to scan a scan area; a drive unit driving the vibration mirror; and an optical imaging system focusing the light beam deflected by the vibration mirror on a predetermined focus position, and having optical power to correct a displacement of the focus position which occurs due to a deformation of the vibration mirror caused by its own vibration.

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