Patent ID: 8164581
Filing Date: 2012-04-24
Classification: G06F

Abstract:
1. An optical touch module, comprising: a frame; a first image capture unit, disposed at a first position of the frame; a second image capture unit, disposed at a second position of the frame, wherein the second position is adjacent to the first position; a first light source, disposed adjacent to the first image capture unit, the first light source and the second image capture unit forming a first connecting line; a second light source, disposed adjacent to the second image capture unit; a first reflective element, disposed on a first side of the frame, wherein the first side is adjacent to the first image capture unit, the first reflective element comprises a top point, and the top point and the second image capture unit form a second connecting line; a second reflective element, disposed on a second side of the frame at an inclined angle, wherein the second side is adjacent to the first side, the second reflective element has an inclined angle relative to a normal direction of the touch panel, and the inclined angle ranges from 3-10 degrees; and a block for blocking the first connecting line and the second connecting line is not being blocked by the block.