US PATENT SUBCLASS 342 / 434
.~.~.~.~.~ Including more than two antennas

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

350  DF  DIRECTIVE {10}
385  DF  .~ Beacon or receiver {2}
417  DF  .~.~ Direction-finding receiver only {14}
432  DF  .~.~.~ With plural fixed antenna pattern comparing {5}
433  DF  .~.~.~.~ Successively commutated {3}
434.~.~.~.~.~ Including more than two antennas

DEFINITION

Classification: 342/434

Including more than antennas:

(under subclass 433) Subject matter wherein more than two antennas are connected in sequence.