Electromechanical conversion element, vibration actuator,...

Details Electromechanical conversion element, vibration actuator,... Electromechanical conversion element, vibration actuator,...

2008-03-27

2010-06-08

Dougherty, Thomas M (Department: 2837)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

C310S323080, C310S366000, C310S315000

Reexamination Certificate

active

07732980

ABSTRACT:
To provide an electromechanical conversion element, a vibration actuator, a vibration actuator driving device, a lens barrel and a camera, which facilitate the achievement of the desired drive characteristics. An electromechanical conversion element comprising: a piezoelectric body having a polarization part polarized in a certain direction; and a plurality of separately formed electrodes on a continuous region of the polarization part.

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