Parallel type piezoelectric bimorph vibrator

Details Parallel type piezoelectric bimorph vibrator Parallel type piezoelectric bimorph vibrator

1983-08-24

1985-01-29

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310332, H01L 4108

Patent

active

044968710

ABSTRACT:
A parallel type piezoelectric bimorph vibrator is used for a piezoelectric buzzer or a piezoelectric loud-speaker, which is cemented at both ends of a conductive diaphragm together with piezoelectric elements, and is provided at part of the outer periphery of a diaphragm with a cutout, the outer peripheries of the piezoelectric elements facing the cutout. Electrodes outside both the piezoelectric elements are connected by a conductor at the position corresponding to the cutout, so that the existence of the cutout prevents the conductor from being brought into contact with the diaphragm.

REFERENCES:
patent: Re20680 (1938-03-01), Sawyer
patent: 2484428 (1949-10-01), Smith
patent: 3069572 (1962-12-01), Dick et al.
patent: 3360664 (1967-12-01), Straube
patent: 3439128 (1969-04-01), Sobel et al.
patent: 4122365 (1978-10-01), Stephens

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