Sound source detecting systems

Details Sound source detecting systems Sound source detecting systems

1962-12-20

1980-06-17

Farley, Richard A.

Communications, electrical: acoustic wave systems and devices

Distance or direction finding

By combining or comparing signals

G01S 380

Patent

active

042087333

ABSTRACT:
1. A system for detecting in bearing a source of sound in a predetermined plane and for measuring the frequency of said sound comprising in combination: two hydrophone dipoles sustantially arranged in said plane, each having at least two hydrophones, the axis of said dipoles being at right angles to each other said hydrophones receiving said sound and providing output signals these hydrophones having respective axes perpendicular to said plane; means for detecting the respective phase shifts between said output signals of the same dipole and providing phase shift indicating signals; and display means having two inputs for receiving respectively said phase shift indicating signals.

REFERENCES:
patent: 2808583 (1957-10-01), Mathes
patent: 3050728 (1962-08-01), Worley
patent: 3089118 (1963-05-01), Baumann
Seely, Electrical & Electronic Engineering, McGraw-Hill, 1956, (pp. 424, 425).

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