Communications: electrical – Selective – Interrogation response
Patent
1977-11-04
1979-07-31
Wilbur, Maynard R.
Communications: electrical
Selective
Interrogation response
340 7R, 340 8R, 340 10, G01V 116, H04R 1500, H04R 1700
Patent
active
041632060
ABSTRACT:
Seismic waves are detected for a given seismic prospect with an accelerometer and a hydrophone and the outputs of said accelerometer and hydrophone are combined directly to create a signal for seismic analysis. The accelerometer and hydrophone may be combined physically in a single composite unit for recording the seismic waves or an accelerometer and hydrophone may record the seismic survey independently for subsequent combining of the signals from the accelerometer and hydrophone.
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Goodwin Lawrence
Knox William A.
Western Geophysical Co. of America
Wilbur Maynard R.
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