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:
Dec. 04, 2001
Filed:
Dec. 30, 1999
Applicant:
Inventors:
Chang Hwa Lee, Taejon, KR;
Bon Hee Koo, Taejon, KR;
O Gon Chun, Taejon, KR;
Dong Seok Jeon, Taejon, KR;
Sang Seok Lee, Taejon, KR;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01P 1/20 ; H01P 5/12 ;
U.S. Cl.
CPC ...
H01P 1/20 ; H01P 5/12 ;
Abstract
The present invention provides a dielectric filter having a dielectric block, and a plurality of resonators formed within the dielectric block, each of the resonators having a first and second through holes formed vertically through the dielectric block and arranged in series along longitudinal axis of the dielectric block and a coupling portion electrically connecting an end of the first through hole to an end of the second through hole.