Gun shot control unit for seismic exploration
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United States of America Patent
Stats
-
Apr 16, 1985
Issued Date -
N/A
app pub date -
Nov 18, 1982
filing date -
Jun 27, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A gun shot control unit for a seismic exploration system compensates for the inherent delay between the shot command signal and the actual occurrence of the seismic pulse. A digital clock is synchronized with an external source. Timing pulses occurring at a time preceding the timing pulse upon which the occurrence of a seismic pulse is desired are produced by the clock. These timing pulses start a digital counter at a time preceding the desired time of occurrence of the seismic pulse. This counter is adjustable so that the delay which interposes between the timing and the actual occurrence of the seismic pulse can be minimized.
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Cited Art Landscape
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