Signal coupling apparatus

Wave transmission lines and networks – Plural channel systems – Having branched circuits

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Details

333104, 333116, 455 3, H01P 115

Patent

active

045271364

ABSTRACT:
A transmission line device for coupling two radio waves, such as horizontal and vertical polarized waves such as satellite transmissions, which are traveling in a particular direction along a pair of main transmission lines, selectively to a branch line without problem of mismatch, wherein the branch line is composed of a single feeder and selection of the two waves is effected simply by applying a positive or negative voltage to the feeder.

REFERENCES:
patent: 3571765 (1971-03-01), Friedman
patent: 3581243 (1971-05-01), Alford
patent: 3760283 (1973-09-01), Lockwood
patent: 4139827 (1979-02-01), Russell
patent: 4354167 (1982-10-01), Terreault et al.

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