Acoustic transient generator

Details Acoustic transient generator Acoustic transient generator

1964-08-04

1990-10-02

Brown, David H.

Communications, electrical: acoustic wave systems and devices

Signal transducers

Underwater type

102402, 116 27, 116137R, 116DIG18, 181120, 367 1, F42B 2242, H04K 300, B60B 3308

Patent

active

049611810

ABSTRACT:
An underwater transient sound generator for broadcasting optimum acoustical onic energy in sea water with an appropriate intensity and frequency spectrum to achieve passivation of acoustical mines. A high pressure bubble is released from a chamber while a resilient diaphragm is simultaneously vibrated, the diaphragm having at least one of its surfaces in contact with the sea water. The system provides an improved pneumatic-mechanical impact sound source that produces a controllable distribution of high power, broad band spectrum acoustical energy, to temporarily inactivate acoustical mines, while masking the noise of the ship as it passes the mine.

REFERENCES:
patent: 1507956 (1924-09-01), DuBois-Reymond
patent: 2699835 (1955-01-01), Ide
patent: 2901997 (1959-09-01), Brooks
patent: 3053220 (1962-09-01), Sawyer
patent: 3056104 (1962-09-01), DeKanski et al.
patent: 3077944 (1963-02-01), Padberg
patent: 3083664 (1963-04-01), Burrell

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