Tunable marine seismic source

Details Tunable marine seismic source Tunable marine seismic source

1982-11-24

1985-12-10

Moskowitz, Nelson

Acoustics

Geophysical or subsurface exploration

Seismic wave generation

181402, 367152, G01V 138

Patent

active

045573484

ABSTRACT:
The disclosed device is a marine seismic source which emits a constantly varying FM signal in the 10 to 100 H.sub.z range. The seismic source utilizes an adjustable length cantilever spring rotatably attached to stiff acoustic radiators, which create a signal in the water. Varying the length of the cantilever spring as a function of the frequency will permit the device to be continuously tuned for maximum power output.

REFERENCES:
patent: 1876138 (1932-09-01), Fassett
patent: 2621005 (1952-12-01), Turpin
patent: 3423060 (1969-01-01), Fulling et al.
patent: 4483411 (1984-11-01), Mifsud
Borowitz et al., Text, A Contemporary View of Elementary Physics, McGraw Hill, 1968, pp. 442-447.

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