Suspension system for directional hydrophones

Details Suspension system for directional hydrophones Suspension system for directional hydrophones

1974-04-01

1976-09-14

Tudor, Harold

Communications: electrical

Selective

Having indication or alarm

9 8R, 340 13R, H04B 1300

Patent

active

039809854

ABSTRACT:
A system for suspending a gradient hydrophone from a flotation member at the surface of a body of fluid by a single compliant member attached closely above the center of gravity of the hydrophone, in order to minimize the number of principal vibration modes, such as the rocking mode, and group the frequencies of such principal vibration modes in a band far enough below the operational acoustical bands of the hydrophone to allow effective electronic rolloff.

REFERENCES:
patent: 3024440 (1962-03-01), Pence
patent: 3255431 (1966-06-01), Howatt
patent: 3266011 (1966-08-01), Massa
patent: 3543228 (1970-11-01), Farmer et al.
patent: 3720909 (1973-03-01), Sikora
patent: 3793623 (1974-02-01), Gongwer
Analytical Mechanics Fowles Holt Rinehart and Winston, 1962 pp. 168, 169, 7 and 178.
University Physics Second Edition Sears et al. Addison-Wesley 1955, pp. 204-207.

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