RESONATOR, FILTER AND COMMUNICATION DEVICE

WIPO Patent Application WO/2020/158793

A1

A resonator according to the invention is provided with: a shield casing which has a cavity therein and includes a first conductor portion positioned on a −Z direction side and a second conductor portion positioned on a +Z direction side; a first resonance element which consists of a cylindrical dielectric and a +Z direction end of which is joined to the second conductor portion and a −Z direction end of which is located within the cavity in such a manner that the −Z direction end is so positioned as to be spaced from the first conductor portion; a second resonance element a −Z direction end of which is joined to the first conductor portion and a +Z direction end of which is spaced from the second conductor potion and located within the cavity in such a manner that this +Z direction end is surrounded by the first resonance element; and a third resonance element a +Z direction end of which is joined to the second conductor portion and a −Z direction end of which is spaced from the first conductor portion and located within the cavity in such a manner that this −Z direction end is surrounded by the second resonance element.

YOSHIKAWA HIROMICHI (JP)
HAMADA KOJI (JP)

PCT/JP2020/003152

August 06, 2020

January 29, 2020

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KYOCERA CORP (JP)

H01P7/04; H01P1/205

WO2016047531A1	2016-03-31
WO2016198466A1	2016-12-15

JPS62143502A	1987-06-26
JPS63266902A	1988-11-04
JPS5957008U	1984-04-13

HALLET, C. ET AL.: "Optimization of an air filled compact re-entrant coaxial resonator for a C-band bandpass filter", IEEE ACCESS, vol. 6, 24 September 2018 (2018-09-24), pages 54117 - 54125, XP011693063, DOI: 10.1109/ACCESS.2018.2870903

SAIKYO, Keiichiro (JP)

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