Cylindrical bender-type vibration transducer

Details Cylindrical bender-type vibration transducer Cylindrical bender-type vibration transducer

1983-10-11

1985-06-25

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310369, 367159, H01L 4108

Patent

active

045256454

ABSTRACT:
An acoustic transducer with high sensitivity and low resonance frequency is constructed of a cylinder having inner and outer layers rigidly bonded together. At least one layer is a thickness poled piezoelectric material. The cylinderical can be closed by end caps to shift nodal locations.

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patent: 3068446 (1962-12-01), Ehrlich
patent: 3177382 (1965-04-01), Green
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patent: 3389274 (1968-06-01), Robertson
patent: 3706967 (1972-12-01), Renna, Jr.
patent: 3845333 (1974-10-01), Holloway
patent: 3857049 (1974-12-01), Zoltan
patent: 4135109 (1979-01-01), Gingerich et al.
patent: 4220887 (1980-09-01), Kompanek
patent: 4395719 (1983-07-01), Majewski et al.

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