US PATENT SUBCLASS 342 / 32
.~.~ Included in Secondary Surveilance Radar (SSR) or Air Traffic Control Radio Beacon System (ATCRBS)


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

29  DF  AIRCRAFT COLLISION AVOIDANCE SYSTEM (CAS) {1}
30  DF  .~ With transponder {2}
32.~.~ Included in Secondary Surveilance Radar (SSR) or Air Traffic Control Radio Beacon System (ATCRBS)


DEFINITION

Classification: 342/32

Included in secondary surveillance radar (SSR or air traffic control radio beacon system (ATCRBS):

(under subclass 30) Subject matter wherein the transponder means are part of a secondary surveillance radar (SSR) or an air traffic control radio beacon system (ATCRBS).

SEE OR SEARCH THIS CLASS, SUBCLASS:

37+, for air traffic control system including SSR or ATCRBS, per se.

SEE OR SEARCH CLASS

701, Data Processing: Vehicles, Navigation, and Relative Location,

120+, for aircraft traffic control by computers.