US PATENT SUBCLASS 342 / 427
.~.~.~.~ Monopulse or pseuodo monopulse tracking antenna type

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}
422  DF  .~.~.~ With self-orienting antenna pattern {4}
427.~.~.~.~ Monopulse or pseuodo monopulse tracking antenna type

DEFINITION

Classification: 342/427

Monopulse or pseudo monopulse tracking antenna type:

(under subclass 422) Subject matter wherein tracking of the signal source is accomplished by comparing overlapping pattern or lobe signals received by the receiver antenna to determine any discrepancy between the direction of the signal source, and any discrepancy is reduced to pointing error signals used for correcting the pointing direction of the antenna.