Piezoceramic tubular element with zero end displacement

Details Piezoceramic tubular element with zero end displacement Piezoceramic tubular element with zero end displacement

1979-12-07

1982-08-31

Tudor, Harold J.

Communications, electrical: acoustic wave systems and devices

Signal transducers

Underwater type

367164, 310359, 310369, H04R 1700

Patent

active

043475930

ABSTRACT:
A piezoelectric tubular monopole element with zero end displacement which s an omnidirectional sensitivity over the widest possible frequency range. The center section is radially or thickness-poled and the end sections are longitudinally or length-poled. The positive electrodes are connected in parallel and the negative electrodes are connected in parallel for electrical parallel output.

REFERENCES:
patent: 2974296 (1961-03-01), Rosen
patent: 4240003 (1980-12-01), Larson

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