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:
Apr. 17, 2018
Filed:
Dec. 21, 2014
Applicant:
Jieng Tai International Electric Corp., New Taipei, TW;
Inventors:
Assignee:
JIENG TAI INTERNATIONAL ELECTRONIC CORP., New Taipei, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01Q 21/00 (2006.01); H01Q 1/24 (2006.01);
U.S. Cl.
CPC ...
H01Q 1/245 (2013.01);
Abstract
An antenna device includes an antenna element, a sensing circuit, a matching circuit and an impedance adjusting circuit. The sensing element is used to generate a sensing signal. The matching circuit is coupled to the antenna unit. The impedance adjusting circuit is coupled to the sensing circuit and is capable of turning an impedance of the antenna unit and an impedance of the matching circuit into mismatch according to the sensing signal.