Rotary subwoofer marine seismic source

Details Rotary subwoofer marine seismic source Rotary subwoofer marine seismic source

2009-06-18

2011-12-20

Lobo, Ian (Department: 3662)

Communications, electrical: acoustic wave systems and devices

Signal transducers

Underwater type

C181S113000, C181S114000, C367S015000

Reexamination Certificate

active

08081540

ABSTRACT:
According to a preferred aspect of the instant invention, there is provided herein a system and method for creating low frequency seismic waves. In brief, the instant invention uses a rotary propeller-type system that has been mounted in, for example, a barge or other marine vessel as a seismic source. In the preferred arrangement, the instant source will generate a seismic signal that has greater low frequency content (e.g., frequencies that are less than about 10 Hz) than has been possible heretofore.

REFERENCES:
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patent: 4006795 (1977-02-01), Anstey
patent: 4897056 (1990-01-01), Muller
patent: 553 053 (1993-07-01), None
Eminent Technology, “TRW-17 The Worlds First True Subwoofer”, Apr. 3, 2008, Publisher: Internet website, Published in: US.
Search report from application No. GB 0910609.7, Oct. 2009.
Photograph of Kawasaki Side Thruster, Nov. 2007.

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