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:
Oct. 23, 2012
Filed:
Jun. 01, 2009
Wen-ji Tsai, Sinjhuang, TW;
Bo-ren Yan, Taichung County, TW;
Jung-wen Chang, Taoyuan County, TW;
Quanta Computer Inc., Tao Yuan Shien, TW;
Abstract
The invention discloses an optical touch sensing apparatus applied to a panel. The optical touch sensing apparatus comprises an frame, a first image capturing module, a second image capturing module, and a processing module. The first image capturing module is set at a first position for capturing a first image corresponding to a touch point on the panel; the second image capturing module is set at a second position for capturing a second image corresponding to the touch point. The processing module is used for determining a coordinate of the touch point according to the first image and the second image.