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    • 1. 发明授权
    • Optical touch panel system, optical apparatus and positioning method thereof
    • 光触摸屏系统,光学装置及其定位方法
    • US09471180B2
    • 2016-10-18
    • US14314455
    • 2014-06-25
    • Ming-Tsan KaoChi-Chieh LiaoChih-Hsin LinTzung-Min Su
    • Ming-Tsan KaoChi-Chieh LiaoChih-Hsin LinTzung-Min Su
    • G06F3/042G06F3/041
    • G06F3/042G06F3/0416G06F3/0428
    • The present invention discloses an optical touch panel system and a positioning method for positioning an object in a touch control area. The system includes: at least two reflective elements respectively disposed on a first side and a second side of the touch control area, wherein the sum of lengths of the first side and the second side is larger than the sum of lengths of the two reflective elements; two lighting elements respectively disposed on a third side and a fourth side of the touch control area; an image sensor forming projected images by capturing an image of the object and at least one mirror image of the object formed by the two reflective elements; and a processor calculating the coordinates of the object according to geometric information of the projected images.
    • 本发明公开了一种光学触摸面板系统和用于将物体定位在触摸控制区域中的定位方法。 该系统包括:分别设置在触摸控制区域的第一侧和第二侧上的至少两个反射元件,其中第一侧和第二侧的长度之和大于两个反射元件的长度之和 ; 两个照明元件分别设置在触摸控制区域的第三侧和第四侧上; 通过拍摄对象的图像和由两个反射元件形成的对象的至少一个镜像来形成投影图像的图像传感器; 以及根据投影图像的几何信息来计算对象的坐标的处理器。