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:
Jan. 29, 2008
Filed:
Jun. 01, 2005
Applicants:
Kie Jin Lee, Seoul, KR;
Jong Cheol Kim, Seoul, KR;
Seung Wan Kim, Seoul, KR;
Inventors:
Assignee:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01P 1/20 (2006.01); H01P 7/10 (2006.01); H01P 3/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
A dielectric ceramic filter with a metal guide can is provided. The dielectric ceramic filter includes a metal guide can coupled to and projecting from both input/output ends of the dielectric ceramic filter. Alternatively, the dielectric ceramic filter includes: a dielectric block having a plurality of vertical grooves formed in its side surfaces, wherein a conductive material is coated on all surfaces of the dielectric block except its ends; and a metal guide can covering both ends of the dielectric block, wherein the metal guide can is a conductive metal plate projecting from both ends of the dielectric block.