US PATENT SUBCLASS 342 / 40
.~.~ With defruiting or degarbling

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


342 /   HD   COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION)

36  DF  AIR TRAFFIC CONTROL {1}
37  DF  .~ Secondary Surveilance Radar (SSR) or Air Traffic Control Radar Beacon System (ATCRBS) {3}
40.~.~ With defruiting or degarbling

DEFINITION

Classification: 342/40

With defruiting or degarbling:

(under subclass 37) Subject matter including means to eliminate random nonsynchronous unintentional return signals in a beacon system or to decode multiple overlapping signal transmission interference.

SEE OR SEARCH THIS CLASS, SUBCLASS:

159+, for clutter elimination, per se.