Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent
1975-10-28
1976-12-07
Tubbesing, T.H.
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
343 65SS, G01S 956
Patent
active
039965872
ABSTRACT:
A semipassive responder for use in a communication system wherein an interrogating unit transmits an interrogation signal to illuminate the responder. The responder generates, in response to incident interrogation signals, a phase-coded reply signal, utilizing a low voltage, low power-drain reflective varactor phase modulator.
REFERENCES:
patent: 3373425 (1968-03-01), Barischoff
patent: 3914762 (1975-10-01), Klensch
Lazar J. D.
Lechter M. A.
Norton E. J.
RCA Corporation
Tubbesing T.H.
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