Broadband free-flooding magnetostrictive scroll transducer

Details Broadband free-flooding magnetostrictive scroll transducer Broadband free-flooding magnetostrictive scroll transducer

1968-07-15

1980-09-16

Farley, Richard A.

Communications, electrical: acoustic wave systems and devices

Signal transducers

Underwater type

H04R 1500

Patent

active

042234018

ABSTRACT:
A free-flooding, deep submergence cylindrical magnetostrictive transducer ving a plurality of identical, coaxial, ring-shaped scrolls, surrounded by a toroidal coil, the scrolls being vibration isolated from each other and from the coil, and having ring resonance frequency sufficiently close to cavity resonance frequency for broadband operation, i.e. approximately one octave at the 6 db down points.

REFERENCES:
patent: 2005741 (1935-06-01), Hayes
patent: 2521136 (1950-09-01), Thuras
patent: 2631271 (1953-03-01), Thuras
patent: 2761077 (1956-08-01), Harris
patent: 2879496 (1959-03-01), Camp
patent: 2962679 (1960-11-01), Stratton
patent: 3393401 (1968-07-01), Meyers

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