Electromechanical transducer

Details Electromechanical transducer Electromechanical transducer

1977-08-03

1981-01-20

Canney, Vincent P.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

179111R, 307400, H04R 1900, B61F 1700

Patent

active

042464480

ABSTRACT:
An electromechanical electret transducer suitable for push-pull operation includes multiple vibratory diaphragms acoustically coupled to each other to increase the output sound pressure. Since the diaphragms physically shield the stationary electrets, the adverse environmental effects on the charge stabilities of the electrets are minimized.

REFERENCES:
patent: 1082248 (1913-12-01), Unterholzner
patent: 3821492 (1974-06-01), Tamura et al.
patent: 3941946 (1976-03-01), Kawakami et al.
patent: 3980838 (1976-09-01), Yakushiji et al.

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