Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent
1978-01-26
1985-03-19
Blum, Theodore M.
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
343 177, G01S 736, G01S 742, H01Q 1518, H01Q 1700
Patent
active
045062641
ABSTRACT:
A frequency down-converter down converts an input signal having a frequency in a given bandwidth and a frequency up-converter up converts the down converted input signal and imparts a doppler shift to the up converted signal to generate an output signal having a frequency with doppler shift in the given bandwidth.
REFERENCES:
patent: 2671850 (1954-03-01), Marcou
patent: 3079557 (1963-02-01), Crabtree
patent: 3226714 (1965-12-01), Applegarth, Jr.
patent: 3636453 (1972-01-01), George
patent: 3683279 (1972-08-01), Weinberg et al.
patent: 3715509 (1973-02-01), Dawson
patent: 3921121 (1975-11-01), Huisveld, Jr. et al.
patent: 3950751 (1976-04-01), Orr et al.
Bogert Warren D.
Kiss Marvin L.
Yee Gin W.
Blum Theodore M.
International Telephone and Telegraph Corporation
O'Halloran John T.
Seitter Robert P.
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