US PATENT SUBCLASS 367 / 127
.~ With time interval measuring means

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}
127.~ With time interval measuring means

DEFINITION

Classification: 367/127

With time interval measuring means:

(under subclass 118) Subject matter in which the period of time elapsing between reception of compressional wave signals at separate transducers is measured.