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.

Date of Patent:
Jul. 05, 2016

Filed:

Dec. 19, 2013
Applicant:

Lenovo Enterprise Solutions (Singapore) Pte. Ltd., Singapore, SG;

Inventors:

Eric R. Ao, Nepean, CA;

Donald R. Dignam, Ottawa, CA;

Stephen J. Flint, Ottawa, CA;

Jian Meng, Kanata, CA;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01P 1/203 (2006.01); G06F 17/50 (2006.01); H05K 1/11 (2006.01); H05K 3/00 (2006.01); H05K 1/02 (2006.01); H05K 3/42 (2006.01);
U.S. Cl.
CPC ...
H01P 1/2039 (2013.01); H05K 1/0248 (2013.01); H05K 1/116 (2013.01); H05K 3/0005 (2013.01); H05K 1/024 (2013.01); H05K 3/429 (2013.01); H05K 2201/0187 (2013.01);
Abstract

Embodiments of the present invention provide for a transmission line stub that includes a via stub of a conductive via. The conductive via includes a via stub and a coupling element, wherein a first transmission line configured to transmit a signal is coupled to the conductive via at the intersection of the via stub and the coupling element. The coupling element is configured to transmit the signal from the first transmission line. A line stub electrically coupled to the via stub, wherein the length of the line stub is selected such that the transmission line stub having a length of the sum of the lengths of the via stub and the line stub is configured to suppress a preselected frequency.


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