Piezoelectric cable

Details Piezoelectric cable Piezoelectric cable

1992-07-22

1994-01-04

Ryan, Patrick J.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

428375, 428379, 428386, 428398, 174 36, 174705, 174102R, 174121SR, 1741262, B32B 2700, H01B 300, H01B 700

Patent

active

052758850

ABSTRACT:
A piezoelectric cable for use in detecting under water acoustic wave while being trailed by a boat is disclosed, which includes a core electrode, an outer electrode surrounding the core electrode, a piezoelectric layer disposed between the core electrode and the outer electrode, a sheath surrounding the outer electrode, and a shape retaining member extending axially within the cable and formed of a shape memory alloy whose phase is transformed between an austenite phase and a martensite phase by changing the temperature thereof and memorizing a predetermined shape in the austenite phase of the alloy. One of the core and outer electrodes may be formed of the shape memory alloy and, in this case, the shape retaining member can be omitted.

REFERENCES:
patent: 3450372 (1969-06-01), DeLange
patent: 3849879 (1974-11-01), Kuchek
patent: 4144057 (1979-03-01), Melton et al.
patent: 4180699 (1979-12-01), Hochella
patent: 4747887 (1988-05-01), Honma
patent: 4960965 (1990-10-01), Redmon et al.

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