Communications – electrical: acoustic wave systems and devices – Signal transducers – Underwater type
Patent
1991-12-13
1993-07-20
Eldred, J. Woodrow
Communications, electrical: acoustic wave systems and devices
Signal transducers
Underwater type
367163, 367140, 310311, 310334, 310800, 29 2535, H04B 1700
Patent
active
052299791
ABSTRACT:
The provided invention is a novel electrostrictive driving device which comprises a sonic wave projector element having alternating electrodes and polymer material film layers. The device provides when subjected to a high bias voltage and a superimposed A.C. voltage, a high Angstroms/Volt response. Also, provided is a process for projecting sonic waves using the electrostrictive driving device of this invention.
REFERENCES:
patent: 3801839 (1974-04-01), Yo
patent: 4257686 (1981-03-01), Albertinetti et al.
patent: 4933479 (1990-06-01), Kotaka et al.
Newman Brian A.
Scheinbeim Jerry I.
Eldred J. Woodrow
Rutgers The State University of New Jersey
Sinn Leroy G.
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