US PATENT SUBCLASS 342 / 429
.~.~.~.~ Including a stationary antenna

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}
428  DF  .~.~.~ With continuously movable antenna pattern {3}
429.~.~.~.~ Including a stationary antenna

DEFINITION

Classification: 342/429

Including a stationery antenna:

(under subclass 428) Subject matter including a separate antenna that has an antenna pattern which does not move.