Velocity hydrophone

Details Velocity hydrophone Velocity hydrophone

1984-01-24

1985-10-15

Tudor, Harold J.

Communications, electrical: acoustic wave systems and devices

Signal transducers

Underwater type

367161, H04R 1700

Patent

active

045478708

ABSTRACT:
A directional velocity hydrophone is provided which does not appreciably disturb the particular movement of the fluid in which it is plunged and which comprises bending blades disposed in a ring and embedded in an inertial mass, which deliver an electric current substantially proportional to the particular speed of the fluid.

REFERENCES:
patent: 2842685 (1958-07-01), Petermann et al.
patent: 3079584 (1963-02-01), Sims
patent: 3104334 (1963-09-01), Bradley, Jr. et al.
patent: 3603921 (1971-09-01), Dreisbach
patent: 3706967 (1972-12-01), Renna
patent: 3801839 (1974-04-01), Yo
patent: 4268912 (1981-05-01), Congdon
Navy Tech. Discl. Bull., vol. 3, No. 4, Apr. 1978, pp. 45-50, A. Tims: "A Piezoelectric Standard Reference Hydrophone".

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