Multiharmonic galvanometric scanning device

Details Multiharmonic galvanometric scanning device Multiharmonic galvanometric scanning device

2005-07-07

2009-08-11

Phan, James (Department: 2872)

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

C359S199200, C359S199300, C359S214100, C359S215100, C359S900000

Reexamination Certificate

active

07573625

ABSTRACT:
A scanning apparatus for a printer or similar instrument. A multiharmonic oscillator is used to provide a composite motion of a laser beam or other light beam to scan an imaging surface. The multiharmonic oscillator may have multiple sections each having a different resonant frequency. One section includes a reflector that intercepts the light beam, and drive electronics move the reflector so the light beam scans the imaging surface. Linear and complex non-linear motions of the light beam may be achieved. Microelectromechanical systems (MEMS) technology may be used to fabricate the oscillator.

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