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:
Feb. 13, 2024
Filed:
May. 25, 2021
Applicant:
Ace Technologies Corporation, Incheon, KR;
Inventor:
Dong Wan Chun, Incheon, KR;
Assignee:
ACE TECHNOLOGIES CORPORATION, Incheon, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01P 1/208 (2006.01); H01P 1/163 (2006.01); H01P 1/20 (2006.01); H01P 3/13 (2006.01); H01P 7/06 (2006.01); H01P 7/10 (2006.01); H01P 11/00 (2006.01);
U.S. Cl.
CPC ...
H01P 1/2088 (2013.01); H01P 1/163 (2013.01); H01P 1/2002 (2013.01); H01P 3/13 (2013.01); H01P 7/06 (2013.01); H01P 7/065 (2013.01); H01P 7/10 (2013.01); H01P 11/002 (2013.01); H01P 11/006 (2013.01); H01P 11/007 (2013.01);
Abstract
A ceramic waveguide filter comprises a plurality of resonant cavities defined by a plurality of through partition walls formed in a single ceramic block to divide sections of the ceramic block according to a pre-designated pattern, a plurality of resonant recesses formed in the sections of the plurality of resonant cavities divided by the through partition walls, a metal layer formed on an inner surface of each of the plurality of through partition walls, and input/output interfaces formed in two resonant cavities inputting and outputting signals among the plurality of resonant cavities.