Title:
RESONATOR AND FILTER
Document Type and Number:
WIPO Patent Application WO/2015/194541
Kind Code:
A1
Abstract:
Provided are a resonator with high temperature stability which is applicable in a plurality of frequency bands by a single housing, and a filter using the resonator. A resonator (10) is provided with a cavity (11) surrounded by an outer conductor (12), and is provided with an inner conductor (13) inserted in the cavity (11) from an opening (12d) of the outer conductor (12), a support rod (15) secured to the inner conductor (13) on one end side, and a cup (16) secured to the outer conductor (12) and holding the support rod (15) on the other end side. A distance (h1) from an upper surface (12c) of the outer conductor (12) to a leading end (13a) of the inner conductor (13) and a distance (h2) from the upper end of the inner conductor (13) to the upper side of a securing plate (14) are set according to a frequency band to be used.
Inventors:
FUJITA YUUYA (JP)
NARA SHINICHI (JP)
INOUE MASAMI (JP)
YATSUDA RYUJI (JP)
NARA SHINICHI (JP)
INOUE MASAMI (JP)
YATSUDA RYUJI (JP)
Application Number:
PCT/JP2015/067284
Publication Date:
December 23, 2015
Filing Date:
June 16, 2015
Export Citation:
Assignee:
NIPPON DENGYO KOSAKU KK (JP)
International Classes:
H01P7/04; H01P1/205; H01P1/30
Foreign References:
| JPS5753104A | 1982-03-30 | |||
| JPH01135104A | 1989-05-26 |
Attorney, Agent or Firm:
FURUBE, Jiro et al. (JP)
Jiro Furube (JP)
Jiro Furube (JP)
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