US PATENT SUBCLASS 342 / 448
.~.~.~ Having a coil or loop type 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}
448.~.~.~ Having a coil or loop type antenna

DEFINITION

Classification: 342/448

Having a coil or loop type antenna:

(under subclass 417) Subject matter wherein the direction finding receiver is coupled to an antenna which consists of one or more loops of wire.