High frequency filter device

Details High frequency filter device High frequency filter device

1979-05-04

1981-01-13

Gensler, Paul L.

Wave transmission lines and networks

Plural channel systems

Having branched circuits

333206, 333222, H01P 1213, H01P 1212, H01P 1205

Patent

active

042451981

ABSTRACT:
A filter device has two filters for filtering or separating two high-frequency signals having different frequencies. Each filter comprises a plurality of quarterwavelength coaxial resonators, cables for connecting the filters with terminals, and a casing for accommodating the two filters. Either the respective input cables or the respective output cables of the two filters are joined in a tee joint. The casing is constituted of two cooperating blocks each having grooves to precisely accommodate the two filters and the cables. The two-part casing maintains the tee joint and obviates the need for a conventional T-shaped metallic coupling member, and makes manufacture very easy.

REFERENCES:
patent: 2984798 (1961-05-01), Bryan
patent: 3292075 (1966-12-01), Wenzel
patent: 3727152 (1973-04-01), Bodonyi
patent: 4151494 (1979-04-01), Nishikawa et al.
patent: 4168479 (1979-09-01), Rubin

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