Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
March 8, 2016
Patent Application Number
13510155
Date Filed
November 17, 2010
Patent Citations Received
Patent Primary Examiner
Patent abstract
Infrared-style touch screens are described having light emission means and light detection means along only two opposing sides of a touch input area, which are nevertheless able to detect and locate a touch object in two dimensions. Certain embodiments use an edge-blurring algorithm to determine the second coordinate, while other embodiments use a form of stereo-scopic vision to determine both coordinates by triangulation. These touch screens have minimal bezel width along two opposing sides of the touch input area, and also offer cost reductions associated with components and product assembly and manufacturing.
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