Wave transmission lines and networks – Coupling networks – Wave filters including long line elements
Patent
1997-08-26
1998-08-18
Ham, Seungsook
Wave transmission lines and networks
Coupling networks
Wave filters including long line elements
333212, 333230, H01P 1207
Patent
active
057963193
ABSTRACT:
An electromagnetic resonator comprises an interior wall defining a substantially cylindrical cavity having a major axis. The interior wall includes first and second coupling grooves substantially parallel to the major axis. For a lesser level of coupling, the coupling grooves may be shorter than the length of the resonator and/or the second coupling groove may be omitted.
REFERENCES:
patent: 3758882 (1973-09-01), Morz
patent: 4498061 (1985-02-01), Morz et al.
patent: 4513264 (1985-04-01), Dorey et al.
patent: 4523160 (1985-06-01), Ploussios
Gudmestad T.
Ham Seungsook
Hughes Electronics Corporation
Sales M. W.
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