Optical: systems and elements – Deflection using a moving element – By moving a reflective element
Reexamination Certificate
2007-10-24
2009-06-23
Phan, James (Department: 2872)
Optical: systems and elements
Deflection using a moving element
By moving a reflective element
C359S198100, C359S199200
Reexamination Certificate
active
07551339
ABSTRACT:
An optical scanning apparatus includes a vibration mirror having a mirror surface that reflects an optical beam. A pair of torsion beams swingably support the mirror. The mirror is vibrated in a sealed space whose pressure is adjusted such that a characteristic of the mirror falls within a predetermined range.
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Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Phan James
Ricoh & Company, Ltd.
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