Ultrasonic driving device

Details Ultrasonic driving device Ultrasonic driving device

H - Electricity

01

L

310/2

H01L 41/08 (2006.01)

Patent

CA 1298866

Abstract of the Disclosure: A stator consists of a cylindrical piezoelectric vibrator and electrodes respectively divided in two in its inside and outside portion. When alternative current voltage is applied to respective one of divided electrodes in the inside and outside portions, reversible progressive waves generate on the end and side portions of the stator. When a rotary member is combined with the end or side portion of the stator, the rotary member can reversibly be moved.

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