Fiber optic acoustic array

Details Fiber optic acoustic array Fiber optic acoustic array

1977-07-18

1978-09-19

Farley, Richard A.

Communications: electrical

Selective

Having indication or alarm

340 9, G01S 380, H04R 2300

Patent

active

041157532

ABSTRACT:
A fiber-optic acoustic array using optic hydrophones wherein sound waves are sensed and displayed as modulated light signals. The light signals so generated are transmitted along the fiber-optic bundles. Many such hydrophones are arranged to form acoustic arrays of increased sensitivity and directionality.

REFERENCES:
patent: 3611277 (1971-10-01), Yoder
patent: 3903496 (1975-09-01), Stimler
patent: 3920982 (1975-11-01), Harris
patent: 4002896 (1977-01-01), Davies et al.
Massey, "An Optical Heterodyne Ultrasonic Image Converter" Proc. IEEE, vol. 6, No. 12, Dec. 1968, pp. 2157-2161.

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