US PATENT SUBCLASS 342 / 392
.~.~.~.~ With automatic gain control

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}
386  DF  .~.~ With transmisson of bearing or position determinative signals {6}
387  DF  .~.~.~ Iso-chronic type {2}
392.~.~.~.~ With automatic gain control

DEFINITION

Classification: 342/392

With automatic gain control:

(under subclass 387) Subject matter including means to regulate by automatically equalizing or otherwise compensating for differences in the received signal strength in the navigation receiver.