Magnetostrictive pulse generator

Details Magnetostrictive pulse generator Magnetostrictive pulse generator

1983-06-30

1987-01-13

Cangialosi, Salvatore

Communications, electrical: acoustic wave systems and devices

Signal transducers

Underwater type

367168, 310 26, H04R 1500

Patent

active

046369996

ABSTRACT:
A magnetostrictive generator includes a magnetostrictive transducer having a vanadium permandur core and series connected primary and secondary windings, the secondary winding having more turns that the primary winding. A commutating capacitor is connected in parallel with the primary and secondary windings of the transducer and a switch is connected in series with the primary winding. A storage capacitor, which is connected in parallel with the switch and the primary winding of the inductive transducer, is charged by a remotely located low voltage power supply when the switch is open. When the switch is closed, the storage capacitor discharges through the primary winding of the transducer to charge the commutating capacitor until the transducer reaches saturation, the commutating capacitor discharging thereupon to drive the transducer into hard saturation to produce magnetostrictive action in the core and physically deform the transducer and produce an acoustic signal.

REFERENCES:
patent: 2846563 (1958-08-01), Cronin
patent: 3186223 (1965-06-01), Wilson
patent: 3734233 (1973-05-01), Wiley

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