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:
Jun. 28, 2016
Filed:
Sep. 22, 2011
Dong-won Lee, Yongin, KR;
Hee-chul Hwang, Yongin, KR;
Jong-woong Park, Yongin, KR;
Samsung Display Co., Ltd., Yongin-si, KR;
Abstract
A touch sensing method for a touch screen including an image display device with a touch-sensitive screen. The method includes a filtering process that includes calculating an output signal of an nframe from a sensing signal of the nframe output from a touch sensing unit configured to sense touches of the touch-sensitive screen, the calculating using an equation()=()×()+(−1)×[1−()],wherein F(n) represents the output signal of the nframe, I(n) represents the sensing signal of the nframe, F(n−1) represents an output signal of an (n−1)frame, and W(n) represents a filtering coefficient; and outputting the output signal of the nframe to an output end. The filtering coefficient is calculated by an equation wherein R is a scale constant. The touch sensing method has high touch sensitivity in an environment with heavy noise while being capable of correctly detecting touch coordinates.