US PATENT SUBCLASS 367 / 58
.~.~.~ By receiver pattern arrangement

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}
58.~.~.~ By receiver pattern arrangement

DEFINITION

Classification: 367/58

By receiver pattern arrangement:

(under subclass 38) Subject matter wherein a plurality of receivers are so located relative to one another as to produce signals which when combined are inherently analysed or corrected at least to some extent.