Wave transmission lines and networks – Resonators – Dielectric type
Patent
1992-10-29
1994-05-10
Ham, Seungsook
Wave transmission lines and networks
Resonators
Dielectric type
333235, H01P 710
Patent
active
053111605
ABSTRACT:
A mechanism for adjusting the resonance frequency of a dielectric resonator having TE.sub.01.delta. mode as its operation mode under the presence of the electromagnetic field including: a hole extending along the axis of the dielectric resonator; a tuning bar, made of a dielectric material of a low loss, having a male screw formed on the peripheral surface thereof; and a female screw, to engage the male screw, formed on the wall of the hole. The tuning bar is reciprocated in the hole with the tuning bar engaging the hole so as to adjust the resonance frequency.
REFERENCES:
patent: 4630012 (1986-12-01), Fuller et al.
patent: 4728913 (1988-03-01), Ishikawa et al.
patent: 4963841 (1990-10-01), Sparagna
patent: 5136270 (1992-08-01), Hatanaka et al.
Abe Hirotsugu
Higuchi Yukio
Mikami Shigeyuki
Ham Seungsook
Murata Manufacturing Co. Ltd.
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