Geophone with a sensitive element made of piezoelectric polymer

Details Geophone with a sensitive element made of piezoelectric polymer Geophone with a sensitive element made of piezoelectric polymer

1988-05-19

1989-06-13

Steinberger, Brian S.

Communications, electrical: acoustic wave systems and devices

Signal transducers

Receivers

367188, 310329, 310800, 181122, H04R 1700, H04R 1100

Patent

active

048398721

ABSTRACT:
A geophone designed to measure the vibrations of bodies, especially vibrations in the earth's crust, comprises two-strip sensors made of piezoelectric polymer, embedded by one end in the geophone casing and resting freely, by one side, on the inertial mass of the geophone, thus enabling the making of geophones with a very wide pass-band.

REFERENCES:
patent: 3360772 (1967-12-01), Massa
patent: 4315433 (1982-02-01), Edelman et al.
patent: 4333029 (1982-06-01), Kolm et al.
patent: 4607145 (1986-08-01), Ravinet et al.
IEEE Transactions on Industrial Electronics, vol. 1E-30, No. 1, Feb. 1983, "Development of Low-Cost Multifunction Sensors for Lightweight Fire and Forget Antitank Weapon System", Hunter et al, pp. 1-6.

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