US PATENT SUBCLASS 367 / 52
.~.~.~.~.~ Normal moveout

Current as of: June, 1999
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367 /   HD   COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES

14  DF  SEISMIC PROSPECTING {4}
37  DF  .~ Land-reflection type {6}
38  DF  .~.~ Signal analysis and/or correction {15}
50  DF  .~.~.~ Timing correction {3}
51  DF  .~.~.~.~ Dynamic timing correction {1}
52.~.~.~.~.~ Normal moveout

DEFINITION

Classification: 367/52

Normal moveout:

(under subclass 51) Subject matter wherein the undesired influence is due to variations in the transmitter-to-distance.