Wave transmission lines and networks – Automatically controlled systems – With control of equalizer and/or delay network
Patent
1974-05-29
1976-02-17
Guensler, Paul L.
Wave transmission lines and networks
Automatically controlled systems
With control of equalizer and/or delay network
333 24C, 333 73C, 333 82B, H01P 120, H01P 704
Patent
active
039394433
ABSTRACT:
Two microwave circuits are interconnected through a plurality of juxtaposed but physically separated modular units each consisting of a substantially cylindrical grounded conductive shell and a central conductor extending axially within that shell, the latter being open at one or both ends. The central conductor, which may be straight or helically coiled, has a length equal to one or more quarter wavelengths, with points separated by odd numbers of quarter wavelengths alternately grounded to the shell and ungrounded. The central conductors of adjoining modular units confront each other through the open shell ends, the confronting extremities of each juxtaposed pair being either both grounded or both ungrounded for inductive or capacitive coupling. To tune the resulting microwave filter, the juxtaposed units can be relatively shifted or rotated.
REFERENCES:
patent: 2844801 (1958-07-01), Sabaroff
patent: 2931992 (1960-04-01), Caroselli
patent: 2997672 (1961-08-01), Reinsmith
patent: 3538463 (1970-11-01), Pakan
patent: 3693115 (1972-09-01), Edson
patent: 3763447 (1973-10-01), Takahashi et al.
Biro Oszkar
Danyi Edit
Fenyvesi Magdolna
Pamuk Janos
Dubno Herbert
Finommechanikai Vallalat
Guensler Paul L.
Ross Karl F.
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