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:
Mar. 09, 2021
Filed:
Oct. 30, 2018
Applicant:
University-industry Cooperation Group of Kyung Hee University, Gyeonggi-do, KR;
Inventor:
Sang Woong Yoon, Gyeonggi-do, KR;
Assignee:
UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY, Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H 7/48 (2006.01); H01P 5/18 (2006.01); H03H 7/01 (2006.01); H03H 11/48 (2006.01); H03H 11/36 (2006.01);
U.S. Cl.
CPC ...
H03H 7/0123 (2013.01); H03H 7/0115 (2013.01); H03H 7/1758 (2013.01); H03H 7/1775 (2013.01); H03H 7/48 (2013.01); H03H 11/36 (2013.01); H03H 11/481 (2013.01);
Abstract
A lumped element directional coupler having an asymmetrical structure. The lumped element directional coupler can be integrated while being compact by using lumped elements, instead of transmission lines, have broadband characteristics through the lumped elements being asymmetrically arranged, and further increase bandwidth by additionally providing a negative capacitor element or, more particularly, a negative capacitor element having loss.