US PATENT SUBCLASS 367 / 50
.~.~.~ Timing correction

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.~.~.~ Timing correction {3}
51  DF  .~.~.~.~> Dynamic timing correction {1}
53  DF  .~.~.~.~> For dip
54  DF  .~.~.~.~> For weathering layer

DEFINITION

Classification: 367/50

Timing correction:

(under subclass 38) Subject matter having means to correct or control the timing of the various signals in order to compensate for undesired influences of differences in

acoustic wave paths.