Omnidirectional low noise piezoelectric transducer

Details Omnidirectional low noise piezoelectric transducer Omnidirectional low noise piezoelectric transducer

1972-06-12

1976-03-30

Feinberg, Samuel

Communications: electrical

Selective

Interrogation response

340 12R, H04B 1300

Patent

active

039478025

ABSTRACT:
A piezoelectric ceramic transducer assembly for broadband noise-measuring drophone. A longitudinally polarized lead zirconate-titanate cylinder provided with end caps is sealed by O-rings within a circumferentially polarized lead zirconate-titanate cylinder providing high sensitivity, smooth response, omnidirectionality, and stability with temperature and hydrostatic pressure variations.

REFERENCES:
patent: 2725219 (1955-11-01), Firth
patent: 3217288 (1965-11-01), Sims
patent: 3263210 (1966-07-01), Schloss

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