Communications: radio wave antennas – Antennas – With polarization filter or converter
Patent
1982-06-01
1985-07-16
Lieberman, Eli
Communications: radio wave antennas
Antennas
With polarization filter or converter
343797, 343786, H01Q 2128, H01Q 2126
Patent
active
045299897
ABSTRACT:
Microwave radiation source operating in two different frequency bands comprising two open cavities energized by two orthogonal dipoles, situated one within the other, the two cavities being wholly reflective for the waves transmitted by their corresponding energizing dipoles, and the interior cavity being transparent for the wave transmitted by the dipole energizing the exterior cavity.
REFERENCES:
patent: 2364371 (1944-12-01), Katzin
patent: 3922683 (1975-11-01), Kumpebeck
Devis Georges
Dupressoir Albert
"Thomson-CSF"
Lieberman Eli
Ohralik K.
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