Wave transmission lines and networks – Coupling networks – Wave filters including long line elements
Patent
1978-11-27
1981-06-30
Nussbaum, Marvin L.
Wave transmission lines and networks
Coupling networks
Wave filters including long line elements
333207, 333223, H01P 1205, H01P 708
Patent
active
042765250
ABSTRACT:
The disclosure relates to an improved coaxial resonator and an electrical filter employing such coaxial resonators. The electrical filter includes a casing of electrically conductive material, at least more than one coaxial resonators, for example, 1/4 wavelength coaxial TEM resonators each having dielectric member disposed between inner conductor and outer conductor of the coaxial resonator and a terminal electrode secured in the inner conductor to provide a terminal portion projecting from an open end face of each of the coaxial resonators, and accommodated in the casing so as to be electrically connected and mechanically secured to the casing, and coupling members for electrically coupling the resonators to each other at the terminal portions and also to input and output connectors for said electrical filter.
REFERENCES:
patent: 2597897 (1952-05-01), Ostlund
patent: 2983855 (1961-05-01), Schlicke
patent: 3408599 (1968-10-01), Horton et al.
patent: 3505618 (1970-04-01), McKee
patent: 4151494 (1979-04-01), Nishikawa et al.
Ishikawa Youhei
Nishikawa Toshio
Tamura Sadahiro
Murata Manufacturing Co. Ltd.
Nussbaum Marvin L.
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