Vibrator and ultrasonic motor employing the same

Details Vibrator and ultrasonic motor employing the same Vibrator and ultrasonic motor employing the same

1989-09-18

1992-08-18

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310328, H01L 4108

Patent

active

051402157

ABSTRACT:
A vibrator comprising an elastic member and two exciting members such as piezoelectric members, and an ultrasonic linear or rotary motor having the vibrator. One exciting member excites a longitudinal vibration in the elastic member in the length direction thereof and the other exciting member excites a flexural vibration in the elastic member in the thickness thereof, thereby providing substantially elliptical motion to the elastic member.

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