Title:
FILTER AND METHOD FOR MANUFACTURING FILTER
Document Type and Number:
WIPO Patent Application WO/2020/184401
Kind Code:
A1
Abstract:
The present invention achieves a filter with which the center frequency of a passband can be easily adjusted. The filter (1) is provided with: a post wall waveguide (11) that functions as a plurality of electromagnetically coupled resonators (11a-11e); and cavities (12a-12e) layered on the post wall waveguide (11). The cavities (12a-12e) are electromagnetically coupled to the resonators (11a-11e) via coupling windows (112a-112e) formed in a wide wall (first wide wall 112) of the post wall waveguide (11).
Inventors:
UEMICHI YUSUKE (JP)
Application Number:
PCT/JP2020/009551
Publication Date:
September 17, 2020
Filing Date:
March 06, 2020
Export Citation:
Assignee:
FUJIKURA LTD (JP)
International Classes:
H01P1/208; H01P1/209; H01P3/12
Foreign References:
JP2018191267A | 2018-11-29 | |||
JPH1093311A | 1998-04-10 | |||
JP2002217602A | 2002-08-02 |
Attorney, Agent or Firm:
HARAKENZO WORLD PATENT & TRADEMARK (JP)
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