US PATENT SUBCLASS 342 / 156
.~ Interferometer

Current as of: June, 1999
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342 /   HD   COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION)

147  DF  DETERMINING DIRECTION {6}
156.~ Interferometer

DEFINITION

Classification: 342/156

Interferometer:

(under subclass 147) Subject matter including a receiving antenna system which determines the angle of arrival of the radar signal by phase comparison in the signals at several points on the antenna system.

SEE OR SEARCH THIS CLASS, SUBCLASS:

424, for self-orienting antenna pattern plural antenna tracking interferometers.