Electro-acoustic transducer with plural piezoelectric film

Details Electro-acoustic transducer with plural piezoelectric film Electro-acoustic transducer with plural piezoelectric film

1983-01-26

1984-06-05

Pitts, Harold I.

Electrical generator or motor structure

Dynamoelectric

Rotary

310322, 310324, 310800, H04R 1700

Patent

active

044530447

ABSTRACT:
An acoustic transducer having a plurality of piezoelectric polymer films spaced apart and mounted at their peripheries upon a hollow support member, and physically connected together at center portions such that the films are parallel to each other at the center portions and diverging from each other near the peripheries.

REFERENCES:
patent: 3792204 (1974-02-01), Murayama et al.
patent: 3832580 (1974-08-01), Yamamuro et al.
patent: 4295010 (1981-10-01), Murphy

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