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. 15, 2017
Filed:
Sep. 20, 2013
Qualcomm Technologies, Inc., San Diego, CA (US);
Guozhong Shen, San Jose, CA (US);
Jon Pearson, Mukilteo, WA (US);
QUALCOMM Incorporated, San Diego, CA (US);
Abstract
Techniques are described for testing a capacitive touch panel for the presence or absence of discontinuities. A pixel matrix is determined for a capacitive touch panel. The pixel matrix comprises pixel values representative of mutual capacitance of respective pixels of the capacitive touch panel. A difference matrix is generated from the pixel matrix. The difference matrix contains differences in pixel values for respective pixels of the capacitive touch panel with respect to pixel values of adjacent pixels. A determination may then be made from the difference matrix whether respective ones of the pixels of the capacitive touch panel contain a discontinuity.