Inertial balanced dipole hydrophone

Details Inertial balanced dipole hydrophone Inertial balanced dipole hydrophone

1977-05-12

1978-12-26

Tudor, Harold J.

Communications: electrical

Selective

Interrogation response

310337, 340 13R, H04B 1300

Patent

active

041318749

ABSTRACT:
A dipole hydrophone which includes a piezoelectric bender bar having at the ends thereof two identical disks having high added mass and low actual mass, and a single mass at the center with low added mass and high actual mass. Support wires are connected to the unit at the bender nodes so that movement of the support causes no electrical output. Another configuration includes a piezoelectric bender disk having an annular ring near the edge portion thereof and a single mass at the center of the disk with the ring and central mass having the same relationship as the disk and central mass of the other embodiment.

REFERENCES:
patent: 2842685 (1958-07-01), Petermann et al.
patent: 3230503 (1966-01-01), Elliot, Jr. et al.
patent: 3331970 (1965-07-01), Dundon et al.
patent: 3437171 (1969-04-01), Davis et al.
patent: 3560914 (1971-02-01), Webb
patent: 3708702 (1973-01-01), Brunnert
patent: 3879726 (1975-04-01), Sweeny
patent: 3965455 (1976-06-01), Hurwitz

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