US PATENT SUBCLASS 367 / 125
.~.~ Phase comparison and/or correlation

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

118  DF  DISTANCE OR DIRECTION FINDING {6}
124  DF  .~ By combining or comparing signals {2}
125.~.~ Phase comparison and/or correlation

DEFINITION

Classification: 367/125

Phase comparison and/or correlation:

(under subclass 124) Subject matter in which the degree of similarity of received signals is measured by multiplying the signals together and integrating the results and/or by measuring the difference in phase between them.