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. 30, 2016
Filed:
Dec. 15, 2014
Wistron Corporation, New Taipei, TW;
Sheng-Lun Chiou, New Taipei, TW;
Yin-Yu Chen, New Taipei, TW;
Wistron Corporation, New Taipei, TW;
Abstract
A common mode filter includes a ground element, a transmission line pair and an extension element, which are disposed in first to third signal layers of a circuit board. The ground element includes a ground portion and a first ground line electrically connected with each other. The first ground line is disposed in a slot of the ground portion, and extends from a bottom portion to an opening of the slot. An orthogonal projection of the transmission line pair on the first signal layer is partially overlapped with an orthogonal projection of the ground portion on the first signal layer. The orthogonal projection of the transmission line pair on the first signal layer is not overlapped with an orthogonal projection of the first ground line on the first signal layer. The extension element is electrically connected to the first ground line through at least one conductive via.