Title:
DIELECTRIC WAVEGUIDE FILTER
Document Type and Number:
WIPO Patent Application WO/2021/117354
Kind Code:
A1
Abstract:
A dielectric waveguide filter (101) is provided with a plurality of resonators (R1 to R8, RT) configured in a dielectric plate (1). A main coupling portion (MC45) is provided between the final stage resonator (R4) of a first group and the first stage resonator (R5) of a second group, a trap resonator (RT) is provided between the resonator (R3) one stage before the final stage resonator (R4) of the first group, and the resonator (R6) one stage after the first stage resonator (R5) of the second group, and the trap resonator (RT) is coupled to the final stage resonator (R4) of the first group and to the first stage resonator (R5) of the second group.
More Like This:
| WO/2001/095423 | WAVEGUIDE GROUP BRANCHING FILTER |
| WO/2003/081713 | HIGH FREQUENCY MODULE AND ANTENNA DEVICE |
Inventors:
KIKUDA MASAYUKI (JP)
Application Number:
PCT/JP2020/039853
Publication Date:
June 17, 2021
Filing Date:
October 23, 2020
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H01P1/208; H01P7/06
Domestic Patent References:
| WO1995027317A2 | 1995-10-12 |
Foreign References:
| JP2008098727A | 2008-04-24 | |||
| JP2003229703A | 2003-08-15 | |||
| JP2000082903A | 2000-03-21 | |||
| US20120169435A1 | 2012-07-05 |
Attorney, Agent or Firm:
KAEDE PATENT ATTORNEYS' OFFICE (JP)
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