Vibration driven apparatus

Details Vibration driven apparatus Vibration driven apparatus

1994-09-21

1996-12-17

Dougherty, Thomas M.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310328, H02N 200

Patent

active

055856853

ABSTRACT:
A vibration driven device includes a first vibration elastic member, a second vibration elastic member, an electro-mechanical energy conversion element clamped between the first and second vibration elastic members, and a first contact member contacting at least one of the first and second vibration elastic members. A projection region which does not overlap the conversion element is arranged on the one vibration elastic member, the first contact member contacts only the projection region, and the first contact member moves relative to the one vibration elastic member by a vibration of the one vibration elastic member.

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