Wave transmission lines and networks – Coupling networks – Wave filters including long line elements
Patent
1997-06-04
1999-09-07
Ham, Seungsook
Wave transmission lines and networks
Coupling networks
Wave filters including long line elements
333206, H01P 1205
Patent
active
059493100
ABSTRACT:
Grooves are formed on the connection faces of two dielectric base plates in a dielectric resonator. Internal conductors are provided on the inside faces. Coupling electrodes are formed on another dielectric base plate. These three dielectric base plates are connected so that the coupling electrode effects a capacity connection between the internal conductors. This arrangement permits an earth electrode (e.g., an external conductor) to be formed on almost the full exterior of the dielectric resonator, thereby preventing the reduction of the Qo of the resonator and electromagnetic field leakage.
REFERENCES:
patent: 5130683 (1992-07-01), Agahi-Kesheh et al.
patent: 5157365 (1992-10-01), Hoang
patent: 5293141 (1994-03-01), Kobayashi et al.
patent: 5344695 (1994-09-01), Hirai et al.
patent: 5572174 (1996-11-01), Kitaichi et al.
Patent Abstracts of Japan, vol. 13, No. 292 (E-782) (3640) Jul. 6, 1989; JP-A-10 73 802 (Matsushita Electric Works Ltd.) Mar. 20, 1989.
Kato Hideyuki
Kitaichi Yukihiro
Matsumoto Haruo
Mori Hisashi
Tsujiguchi Tatsuya
Ham Seungsook
Murata Manufacturing Co. Ltd.
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