US PATENT SUBCLASS 342 / 136
.~.~.~ With plural fixed range gates

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}
134  DF  .~ With pulse modulation {4}
135  DF  .~.~ Digital (e.g., with counter) {1}
136.~.~.~ With plural fixed range gates

DEFINITION

Classification: 342/136

With plural fixed range gates:

(under subclass 135) Subject matter wherein the returned signal corresponding to respective transmitted radar pulses is applied to plural processing channels which are sequentially activated for short predetermined periods of time to represent range increments.

SEE OR SEARCH THIS CLASS, SUBCLASS:

110, for velocity determination combined with distance determination using plural fixed range gates.