Optical scanning device, printing apparatus, and method for...

Optical: systems and elements – Deflection using a moving element – Using a periodically moving element

Reexamination Certificate

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Reexamination Certificate

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07542191

ABSTRACT:
An optical scanning device is provided. The optical scanning device includes an oscillating mirror which has a pair of electrodes and a mirror oscillator, and which deflects a light beam; a driving unit which applies a wave-like driving signal to the pair of electrodes so as to oscillate the mirror oscillator by an electrostatic force corresponding to the driving signal; and an adjusting unit which changes a duty ratio of the driving signal to adjust an oscillation amplitude of the oscillating mirror.

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patent: 5668644 (1997-09-01), Kuroiwa et al.
patent: 6587245 (2003-07-01), Hayashi
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patent: 2005-173159 (2005-06-01), None
patent: 2006-220745 (2006-08-01), None
patent: 2006-320963 (2006-11-01), None
patent: 2007-086626 (2007-04-01), None
patent: 2007-245246 (2007-09-01), None
Japanese Office Action, Reference No. P17015BAE, Mailing No. 772207, Mailing Date Dec. 16, 2008.

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