US PATENT SUBCLASS 342 / 74
.~ Antenna control

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

73  DF  RETURN SIGNAL CONTROLS RADAR SYSTEM {3}
74.~ Antenna control {2}
75  DF  .~.~> Physical orientation {5}
81  DF  .~.~> Beam direction by phase or frequency control

DEFINITION

Classification: 342/74

Antenna control:

(under subclass 73) Subject matter including control by the returned signal of the radar system antenna.

SEE OR SEARCH CLASS

343, Communications: Radio Wave Antennas,

757+, for control means for moving directive antennas.