Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent
1975-09-15
1977-09-06
Wilbur, Maynard R.
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
333 30R, G01S 956, H03H 730
Patent
active
040471713
ABSTRACT:
A radar transponder which transmits a frequency coherent coded reply for each interrogation pulse it receives within a broad frequency. The transponder comprises means for receiving an incoming signal pulse; means for converting the incoming pulse into a coded series of delayed pulses that are frequency synchronized with the incoming pulse; and means for transmitting the coded series of delayed pulses.
REFERENCES:
patent: 2671850 (1954-03-01), Marcov
patent: 2978699 (1961-04-01), Dodington
patent: 3273146 (1966-10-01), Hurwitz
patent: 3513470 (1970-05-01), Rabow
Blum T. M.
Motorola Inc.
Parsons Eugene A.
Wilbur Maynard R.
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