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:
Apr. 27, 2021
Filed:
Oct. 17, 2019
Applicant:
Fujitsu Limited, Kawasaki, JP;
Inventors:
Shoichi Shiba, Atsugi, JP;
Toshiaki Nagai, Yokohama, JP;
Assignee:
FUJITSU LIMITED, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01P 1/207 (2006.01); H01P 1/208 (2006.01); H03H 11/26 (2006.01); H01P 7/06 (2006.01); H01P 1/209 (2006.01);
U.S. Cl.
CPC ...
H03H 11/26 (2013.01); H01P 1/209 (2013.01); H01P 7/06 (2013.01);
Abstract
A group delay compensation filter includes: a waveguide that has a first slot and that is configured to transmit a signal; and a first dielectric resonator that includes: a first dielectric, a first metal layer formed over a surface of the first dielectric, and a first opening provided in the first metal layer, wherein the first dielectric resonator is in contact with the waveguide with the first opening coupled to the first slot, and wherein the first dielectric resonator is configured to compensate group delay in a first frequency band of the signal.