Ultrasonic oscillator

Details Ultrasonic oscillator Ultrasonic oscillator

1993-03-01

1995-04-25

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

H01L 4108

Patent

active

054102049

ABSTRACT:
The present invention discloses an ultrasonic oscillator including: a plurality of resonators; and an electricity-to-mechanical energy conversion element disposed among a plurality of the resonators and pressed by a fastening member, wherein the ultrasonic oscillator bends and/or oscillates when alternating voltage is applied to the electricity-to-mechanical energy conversion element, and the resonators do not come in contact with the fastening member in a portion adjacent to the end surface of the ultrasonic oscillator.

REFERENCES:
patent: 4663556 (1987-05-01), Kumada
patent: 4703214 (1987-10-01), Mishiro
patent: 4705980 (1987-11-01), Mishiro
patent: 4742260 (1988-05-01), Shimizu et al.
patent: 4812697 (1989-03-01), Mishiro
patent: 4947076 (1990-08-01), Kumada
patent: 4965482 (1990-10-01), Ohnishi et al.
patent: 4975614 (1990-12-01), Honda
patent: 5122700 (1992-06-01), Tamai et al.
patent: 5162692 (1992-11-01), Fujimura
patent: 5231325 (1993-07-01), Tamai et al.
patent: 5274295 (1993-12-01), Tsukimoto et al.

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