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. 02, 2018
Filed:
Oct. 06, 2015
Applicant:
Wistron Neweb Corporation, Hsinchu, TW;
Inventor:
Guo-Shu Huang, Hsinchu, TW;
Assignee:
Wistron NeWeb Corporation, Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H 7/42 (2006.01); H01P 5/10 (2006.01);
U.S. Cl.
CPC ...
H01P 5/10 (2013.01);
Abstract
A balun filter utilized for a radio-frequency (RF) system includes a first terminal coupled to an antenna of the RF system for delivering an RF signal; a differential port has a second terminal and a third terminal for delivering a differential signal; a band pass filter coupled between the first terminal and the differential port has a plurality of resonators, each including a surrounding line substantially surrounding an area and forming a loophole on a side of the each resonator; and at least a line segment connected to the surrounding line and disposed separately within the area surrounded by the surrounding line.