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:
Aug. 03, 2021
Filed:
Nov. 23, 2017
Applicant:
Hongik University Industry-academia Cooperation Foundation, Seoul, KR;
Inventors:
Ho Sung Choo, Seoul, KR;
Gang Il Byun, Gwangmyeong-si, KR;
Tae Heung Lim, Seoul, KR;
Taek Ki Lee, Daejeon, KR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 17/12 (2015.01); H01Q 9/04 (2006.01); G01R 29/10 (2006.01); G01S 19/23 (2010.01); H01Q 7/00 (2006.01); H01Q 21/06 (2006.01); G01S 19/21 (2010.01); H01Q 21/20 (2006.01); H04B 17/21 (2015.01);
U.S. Cl.
CPC ...
H01Q 9/0442 (2013.01); G01R 29/10 (2013.01); G01S 19/21 (2013.01); G01S 19/235 (2013.01); H01Q 7/00 (2013.01); H01Q 9/0464 (2013.01); H01Q 21/06 (2013.01); H01Q 21/20 (2013.01); H04B 17/12 (2015.01); H04B 17/21 (2015.01);
Abstract
There is disclosed a method which is capable of calibrating or tuning the characteristics of individual antenna elements constituting an array antenna. The performance of the individual antenna elements can be improved by calibrating or tuning the characteristics of the individual antenna elements, and thus an array antenna can be installed even in a narrow space and can receive GPS signals.