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:
Oct. 19, 2021
Filed:
Feb. 18, 2019
Applicant:
Nec Corporation, Tokyo, JP;
Inventor:
Daisuke Iwanaka, Tokyo, JP;
Assignee:
NEC CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01P 1/207 (2006.01); H01P 7/06 (2006.01); H01P 1/203 (2006.01); H01P 1/205 (2006.01);
U.S. Cl.
CPC ...
H01P 1/207 (2013.01); H01P 1/203 (2013.01); H01P 1/2053 (2013.01); H01P 7/06 (2013.01);
Abstract
A tunable band-pass filter () according to the present disclosure includes: a waveguide (); a plurality of resonators () configured to be accommodated in the waveguide () and aligned in a longitudinal direction of the waveguide (); a dielectric plate () configured to extend in the longitudinal direction of the waveguide () so to be arranged adjacent to the plurality of resonators (); and a metal pattern () for coupling adjustment formed on the dielectric plate () at a position corresponding to an interstage of the resonators (), in which a distance between the dielectric plate () and the resonators () is variable.