Wave transmission lines and networks – Plural channel systems – Having branched circuits
Patent
1981-07-29
1983-10-18
Gensler, Paul L.
Wave transmission lines and networks
Plural channel systems
Having branched circuits
333 21A, 333208, H01P 1213
Patent
active
044108664
ABSTRACT:
A transducer for coupling to an antenna with a first polarizing duplexer for working in a low-frequency band, a between-guide transition element formed from a variable-section guide and a second polarizing duplexer for working in a high-frequency band. In the polarizing openings of the first duplexer are placed dipoles resonating at the mean frequency of the high band which cause a short-circuit for the high frequencies and let the low frequencies pass. A set of quasioptical filters, situated in the body of the first duplexer, between the polarizing openings of this first duplexer and the transition element, causes a short-circuit for the low frequencies and lets the high frequencies pass.
REFERENCES:
patent: 3731235 (1973-05-01), Ditullio et al.
patent: 3978434 (1976-08-01), Morz et al.
patent: 4185257 (1980-01-01), Nakajima
Harkless, A., Network for Combining Radio Systems at 4, 6 and 11 KMC, Bell Tele. Tech. Jrnl., Sep. 1959, vol. 38, No. 5, pp. 1253-1263 cited.
"Thomson-CSF"
Gensler Paul L.
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