Quasi-lumped resonator apparatus and method

Wave transmission lines and networks – Coupling networks – Frequency domain filters utilizing only lumped parameters

Reexamination Certificate

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C333S219000, C333S235000

Reexamination Certificate

active

07872549

ABSTRACT:
A quasi-lumped resonator apparatus that makes use of an inductive portion having a plurality of spines extending therefrom along at least a portion of a length thereof, and a capacitive portion electrically and physically coupled to an end of the inductive portion. The capacitive portion has a plurality of spaced apart capacitive fringe plates extending therefrom. A housing is included for enclosing the inductive and capacitive portions. In another aspect a method is disclosed for forming a quasi-lumped resonator.

REFERENCES:
patent: 4446429 (1984-05-01), Froncisz et al.
patent: 4480239 (1984-10-01), Hyde et al.
patent: 4504788 (1985-03-01), Froncisz et al.
patent: 4570137 (1986-02-01), DiSilvestro
patent: 4992764 (1991-02-01), Ayasli
patent: 6806793 (2004-10-01), Pillai et al.
patent: 2003/0193380 (2003-10-01), de Swiet et al.

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