Electroacoustic transducer of the piezoelectric polymer type

Details Electroacoustic transducer of the piezoelectric polymer type Electroacoustic transducer of the piezoelectric polymer type

H - Electricity

04

R

349/65

H04R 17/02 (2006.01) H04R 17/00 (2006.01)

Patent

CA 1207429

AN ELECTROACOUSTIC TRANSDUCER OF THE PIEZOELECTRIC POLYMER TYPE Abstract of the Disclosure In a piezoelectric microphone or hydrophone, the elastic structure which reacts directly to the acoustic pressure is formed of piezoelectric polymer. The electro- acoustic transducer according to the invention makes use of an elastic structure in the form of a rim clamped plate having at least one incurvation and covered on at least one of its two faces with electrodes connected to an impedance-matching circuit.

409046

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