Two-dimensional piezoelectric transducer assembly

Details Two-dimensional piezoelectric transducer assembly Two-dimensional piezoelectric transducer assembly

1987-11-27

1989-09-05

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310334, 310359, 310366, 367155, 367180, H01L 4108

Patent

active

048641790

ABSTRACT:
A piezoelectric transducer assembly for producing sonar signals for transmission underwater and for detecting reflected sonar signals. The assembly includes a two-dimensional generally planar array of piezoelectric elements disposed in an elastomer casing. The elements are coupled by way of conductors to electronic circuitry which produces electrical signals for stressing the piezoelectric elements and which processes electrical signals produced by the piezoelectric element in response to reflected sonar signals. The piezoelectric elements are closely packed and are selected to have low cross-coupling characteristics. At least some of the elements are oriented so that their axes of polarization are generally perpendicular to the plane of the array.

REFERENCES:
patent: 2768364 (1956-10-01), Camp
patent: 3582691 (1971-06-01), Sonderegger
patent: 4233477 (1980-11-01), Rice et al.
patent: 4656384 (1987-04-01), Magori
patent: 4677337 (1987-06-01), Kleinschmidt

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