Title:
FILTER DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/184617
Kind Code:
A1
Abstract:
The present invention provides a filter device that comprises a post wall waveguide, and for which the pass band is variable. This filter device (1) comprises a post wall waveguide (filter body 1M) that functions as a plurality of resonators (10-50); cavities (tubes 551-555) that are joined with each resonator (10-50) with apertures (AP1-AP5) formed on a wide wall (conductor layer 2) interposed therebetween; rods (61-65) inserted in the cavities (tubes 551-555); and a rod control mechanism (piezoelectric element 6P) that controls the position of the rods (61-65).
Inventors:
UEMICHI YUSUKE (JP)
Application Number:
PCT/JP2020/010574
Publication Date:
September 17, 2020
Filing Date:
March 11, 2020
Export Citation:
Assignee:
FUJIKURA LTD (JP)
International Classes:
H01P1/207; H01P3/12; H01P7/06
Foreign References:
JP2018191267A | 2018-11-29 | |||
JP2018011256A | 2018-01-18 | |||
JP2007243697A | 2007-09-20 |
Attorney, Agent or Firm:
HARAKENZO WORLD PATENT & TRADEMARK (JP)
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