Driving device

Details Driving device Driving device

2009-04-08

2011-11-29

Martinez, Joseph P (Department: 2873)

Optical: systems and elements

Lens

With support

Reexamination Certificate

active

08068296

ABSTRACT:
There is provided a driving device with less wiring and of which driving circuit is simplified. A driving device comprising: a plurality of vibratory actuators6, 7respectively having a vibration generating portion which transform an electric power into a vibration and a driven portion which engages with the vibration generating portion; and a driving circuit to which the plurality of vibratory actuators are connected in parallel, wherein the vibration generating portion of at least one of the vibratory actuators has a different frequency characteristic from that of other vibratory actuators, and the driving circuit is capable of outputting a plurality of driving voltages each having a different waveform.

REFERENCES:
patent: 5774179 (1998-06-01), Chevrette et al.
patent: 6483226 (2002-11-01), Okada
patent: 2003-189645 (2003-07-01), None

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