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:
May. 21, 2019
Filed:
Sep. 14, 2017
Applicant:
Kmw Inc., Hwaseong-si, KR;
Inventor:
Nam-Shin Park, Gyeonggi-do, KR;
Assignee:
KMW INC., Hwaseong-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01P 1/208 (2006.01); H03H 7/01 (2006.01); H01P 1/205 (2006.01);
U.S. Cl.
CPC ...
H03H 7/0115 (2013.01); H01P 1/2053 (2013.01); H01P 1/2084 (2013.01);
Abstract
The present invention relates to a radio frequency filter employing a notch structure, wherein the notch structure is a dual notch structure which comprises: a C notch structure formed in a predetermined region at a partition between two cavities to be cross-coupled; and an L notch structure formed together with the C notch structure in a predetermined region at a partition between two cavities.