Wave transmission lines and networks – Plural channel systems – Having branched circuits
Patent
1985-08-06
1987-04-21
Gensler, Paul
Wave transmission lines and networks
Plural channel systems
Having branched circuits
333226, 333110, H01P 1213
Patent
active
046600051
ABSTRACT:
An h.f. electrical network consists of a transmission line device in the form of a closed cavity having two end plates between which extend four quarter wave resonators positioned symmetrically about an axis passing through both end plates. The device is provided with four ports connected to two pairs of transmission line loops each of which couple equally into two adjacent resonators. The device exhibits frequency selective properties and can be used to couple two carrier frequencies into a common antenna while maintaining electrical isolation between the two signal sources.
REFERENCES:
patent: 2250308 (1941-07-01), Lindenblad
patent: 2420354 (1947-05-01), Carter
patent: 3068428 (1962-12-01), Alford et al.
patent: 3886499 (1975-05-01), Hutchinson
patent: 4231001 (1980-10-01), Hutchinson
Gensler Paul
The Marconi Company Limited
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