Title:
BAND-PASS FILTER AND CONTROL METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2017/199766
Kind Code:
A1
Abstract:
Provided is a band-pass filter which allows the bandwidth of a pass band to be easily changed. This band-pass filter (1B) is provided with: a housing (11); a plurality of resonant plates (12) housed in the housing (11); a first coupling conductor (15) connecting adjacent two of the resonant plates (12); and a second coupling conductor (16) disposed at a position acting on a coupling coefficient between the adjacent two of the resonant plates (12), wherein a distance between the resonant plate (12) and the second coupling conductor (16) is changeable.
Inventors:
MIYAMOTO TAKAHIRO (JP)
Application Number:
PCT/JP2017/017253
Publication Date:
November 23, 2017
Filing Date:
May 02, 2017
Export Citation:
Assignee:
NEC CORP (JP)
International Classes:
H01P1/202; H01P1/205; H01P7/04
Domestic Patent References:
| WO2004019508A1 | 2004-03-04 | |||
| WO2008019179A2 | 2008-02-14 |
Foreign References:
| EP0614244A1 | 1994-09-07 | |||
| JP2009055576A | 2009-03-12 | |||
| JPH09260902A | 1997-10-03 | |||
| JPH0697702A | 1994-04-08 | |||
| JPH09307306A | 1997-11-28 | |||
| JPH07226603A | 1995-08-22 |
Attorney, Agent or Firm:
IEIRI Takeshi (JP)
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