Electro-mechanical energy converter and vibration wave driving

Details Electro-mechanical energy converter and vibration wave driving Electro-mechanical energy converter and vibration wave driving

2008-10-10

2009-12-15

Benson, Walter (Department: 2837)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

C310S323060

Reexamination Certificate

active

07633215

ABSTRACT:
At least one exemplary embodiment is directed to an electro-mechanical energy converter and a vibration wave driving apparatus that can facilitate miniaturization, high power, low cost and low voltage drive, by using a polygonal piezoelectric element with a plurality of electrode films divided by a boundary of electrode film on the polygonal piezoelectric element.

REFERENCES:
patent: 3416233 (1968-12-01), Steele
patent: 5345137 (1994-09-01), Funakubo et al.
patent: 5814919 (1998-09-01), Okumura
patent: 6930436 (2005-08-01), Tsukimoto et al.
patent: 6989624 (2006-01-01), Tsukimoto et al.
patent: 7183695 (2007-02-01), Kienzler et al.
patent: 2003-47266 (2003-02-01), None

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