US PATENT SUBCLASS 342 / 445
.~.~.~ Having 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}
445.~.~.~ Having more than two antennas {1}
446  DF  .~.~.~.~> Unequal distance between at least three antennas

DEFINITION

Classification: 342/445

Having more than two antennas:

(under subclass 417) Subject matter wherein the direction finding receiver is coupled to more than two antennas.