US PATENT SUBCLASS 342 / 43
.~ Combined with primary radar system

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

42  DF  RADAR TRANSPONDER SYSTEM {6}
43.~ Combined with primary radar system

DEFINITION

Classification: 342/43

Combined with primary radar system:

(under subclass 42) Subject matter wherein the transponder system is combined with a system in which the retransmitted (reply) signal is a reflection of the transmitted energy from the surface of the target.