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. 11, 2015
Filed:
Mar. 02, 2009
Applicants:
Dana Olson, Kirkland, WA (US);
Nathan Moyal, Mukilteo, WA (US);
Inventors:
Dana Olson, Kirkland, WA (US);
Nathan Moyal, Mukilteo, WA (US);
Assignee:
CYPRESS SEMICONDUCTOR CORPORATION, San Jose, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 3/044 (2006.01);
U.S. Cl.
CPC ...
G06F 3/044 (2013.01);
Abstract
A capacitance measurement sensor, having a voltage subtractor that rejects common signals between the columns or rows of a touch sensor matrix depending on which are driven and which are being sensed, is described.