Determination of firing times of acoustic pulses

Details Determination of firing times of acoustic pulses Determination of firing times of acoustic pulses

1977-12-22

1979-02-27

Wilbur, Maynard R.

Acoustics

Geophysical or subsurface exploration

Seismic wave generation

181110, G01V 138

Patent

active

041414314

ABSTRACT:
A marine gun for the production and timing of underwater pulses by the discharge of gas under pressure comprises a body having at least one port, means retaining the gas in said body under pressure and for allowing it to discharge through said port to produce said pulses, said gun including at least two electrodes which make electrical contact with the water in the path of gas discharged through said port such that such a discharge of gas increases the electrical resistance between said electrodes to produce a timing signal.

REFERENCES:
patent: 3048816 (1962-08-01), Lubnow
patent: 3382946 (1968-05-01), Smith, Jr. et al.

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