US PATENT SUBCLASS 342 / 133
.~.~ Combined with determining direction

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

118  DF  DETERMINING DISTANCE {11}
128  DF  .~ With frequency modulation {3}
133.~.~ Combined with determining direction

DEFINITION

Classification: 342/133

Combined with determining direction:

(under subclass 128) Subject matter including determining the direction of the object from the radar source.

SEE OR SEARCH THIS CLASS, SUBCLASS:

139, for distance and direction determination with pulse modulated radar signals.

146, for distance and direction determination with radar signals, per se.