Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent
1974-11-06
1976-05-04
Gensler, Paul L.
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
325446, 333 11, 333 31R, 333 84M, G01S 944, H01P 512, H01P 522
Patent
active
039551946
ABSTRACT:
A microwave transmission-line circuit for a Doppler radar with direction sensing comprises a hybrid junction and four split-tee junctions of which two constitute power dividers and two constitute power combiners; the inputs of the two dividers are respectively connected to two ports of the hybrid junction, and the outputs of the dividers are connected to the combiners; the lengths of the interconnections of the split-tee junctions are such that two Doppler signals in phase quadrature can be respectively derived from the outputs of the combiners.
REFERENCES:
patent: 3310748 (1967-03-01), Putnam
patent: 3582759 (1971-06-01), Malloy
patent: 3769610 (1973-10-01), Savarin et al.
patent: 3870960 (1975-03-01), Hallford et al.
Berka George B.
Gensler Paul L.
Trifari Frank R.
U.S. Philips Corporation
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