US PATENT SUBCLASS 342 / 157
.~ With frequency or phase steering

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}
157.~ With frequency or phase steering

DEFINITION

Classification: 342/157

With frequency or phase steering:

(under subclass 147) Subject matter including means to adjust by radar signal over the elements of a given region.