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Patent Searching and Data


Title:
CAVITY RESONATOR AND WAVEGUIDE FILTER
Document Type and Number:
WIPO Patent Application WO/2019/155514
Kind Code:
A1
Abstract:
This cavity resonator is configured so as to form a choke structure in which the opening (9a) of a space (9) is electrically open and the hole end (5a) of a through-hole (5) on a recess bottom surface (4a) side is electrically short-circuited at the frequency of an electromagnetic wave propagating through a cavity portion (1a), in a state where the space (9) is formed by a recess (4), a screw (7), and a nut (8) since there is a gap between an opposing surface (8d) and the recess bottom surface (4a).

Inventors:
YUKAWA, Hidenori (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
USHIJIMA, Yu (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
MIURA, Kodai (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
SUMIYOSHI, Hideo (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
Application Number:
JP2018/003969
Publication Date:
August 15, 2019
Filing Date:
February 06, 2018
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORPORATION (7-3 Marunouchi 2-chome, Chiyoda-ku Tokyo, 10, 〒1008310, JP)
International Classes:
H01P7/06; H01P1/00; H01P1/208
Foreign References:
JPH01122605U1989-08-21
JPS58138401U1983-09-17
US20170207509A12017-07-20
Attorney, Agent or Firm:
TAZAWA, Hideaki et al. (Akasaka Sanno Center Bldg. 5F, 12-4 Nagata-cho 2-chome, Chiyoda-k, Tokyo 14, 〒1000014, JP)
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