US PATENT SUBCLASS 342 / 112
.~.~ With plural frequencies transmission


Current as of: June, 1999
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342 /   HD   COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION)

104  DF  DETERMINING VELOCITY {9}
109  DF  .~ Combined with determining distance {3}
112.~.~ With plural frequencies transmission


DEFINITION

Classification: 342/112

With plural frequencies transmission:

(under subclass 109) Subject matter including transmitting two or more discrete frequencies and determining distance from changes in each of the received frequencies.

SEE OR SEARCH THIS CLASS, SUBCLASS:

116, for velocity determination with plural received frequency band separation.