Ultrasonic vibration apparatus use as a sensor having a...

Details Ultrasonic vibration apparatus use as a sensor having a... Ultrasonic vibration apparatus use as a sensor having a...

2006-03-07

2006-03-07

Schuberg, Darren (Department: 2834)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

C310S369000, C310S348000, C310S326000, C310S327000, C310S333000

Reexamination Certificate

active

07009326

ABSTRACT:
An ultrasonic vibration apparatus includes a casing having a vibration face, a piezoelectric element mounted in the casing, and a disk-like vibration plate supported at a position along a concentric circle differentiating two regions, an inner region and an outer region. In the ultrasonic vibration apparatus, the disk-like vibration plate is constructed so as to be a part of the casing serving as the vibration face, and, the piezoelectric element is mounted in the central part of the disk-like vibration plate, thereby causing the inner region and the outer region to vibrate in substantially the same phase.

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