Wave transmission lines and networks – Resonators
Patent
1986-06-03
1987-09-08
Nussbaum, Marvin L.
Wave transmission lines and networks
Resonators
333202, 333209, 333232, 333235, H01P 710
Patent
active
046927271
ABSTRACT:
A dielectric resonator device includes a casing for defining a chamber in which a dielectric resonator and a piezoelectric frequency adjusting unit are provided. A portion of the piezoelectric frequency adjusting unit is located adjacent the dielectric resonator. By the voltage applied to the piezoelectric frequency adjusting unit, the piezoelectric frequency adjusting unit changes its shape thereby changing the distance between the portion of the piezoelectric frequency adjusting unit and the dielectric resonator. Thus, the resonance frequency of the dielectric device can be controlled.
REFERENCES:
patent: 4575697 (1986-03-01), Rao et al.
Ishikawa Youhei
Tamura Hiroshi
Wakino Kikuo
Murata Manufacturing Co. Ltd.
Nussbaum Marvin L.
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