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:
Sep. 20, 2022
Filed:
Mar. 10, 2021
Applicant:
Htc Corporation, Taoyuan, TW;
Inventors:
Assignee:
HTC Corporation, Taoyuan, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H 7/01 (2006.01); H03H 7/42 (2006.01); H03H 1/00 (2006.01); H05K 1/02 (2006.01);
U.S. Cl.
CPC ...
H03H 7/0115 (2013.01); H03H 7/427 (2013.01); H05K 1/0216 (2013.01); H05K 1/0245 (2013.01); H05K 2201/09036 (2013.01);
Abstract
A common mode filter is disposed on a circuit board. A signal layer of the circuit board has a differential signal wire pair. The common mode filter has a slot structure and a filtering frequency adjusting device. The slot structure is formed on a reference voltage layer of the circuit board, wherein the slot structure surrounds the differential signal wire pair. The filtering frequency adjusting device is disposed on a corner part of the slot structure, wherein the filtering frequency adjusting device includes at least one of at least one capacitor and at least one inductor, and is disposed on the circuit board across the differential signal wire pair.