The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 01, 2020
Filed:
May. 02, 2017
Applicant:
Nec Corporation, Minato-ku, Tokyo, JP;
Inventor:
Takahiro Miyamoto, Tokyo, JP;
Assignee:
NEC CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01P 1/203 (2006.01); H01P 7/08 (2006.01); H01P 1/20 (2006.01); H01P 1/205 (2006.01); H01P 7/04 (2006.01);
U.S. Cl.
CPC ...
H01P 1/20 (2013.01); H01P 1/203 (2013.01); H01P 1/205 (2013.01); H01P 1/20345 (2013.01); H01P 7/04 (2013.01); H01P 7/08 (2013.01);
Abstract
There is provided a band-pass filter capable of easily changing a bandwidth of a pass band. A band-pass filter (B) of the present disclosure includes: a housing (), a plurality of resonant plates () stored in the housing (), a first coupling conductor () connecting two adjacent resonant plates () of the plurality of resonant plates (), and a second coupling conductor () arranged at a position affecting a coupling coefficient between the two adjacent resonant plates (), wherein a distance from the resonant plate () to the second coupling conductor () is changeable.