发明授权
- 专利标题： Object detection calibration system of an optical touch screen and method thereof
- 专利标题（中）： 光学触摸屏的物体检测校准系统及其方法
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申请号： US12826612申请日： 2010-06-29
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公开(公告)号： US08462137B2公开(公告)日： 2013-06-11
- 发明人: Chih-Hsin Lin , Tzung-Min Su , Cho-Yi Lin
- 申请人： Chih-Hsin Lin , Tzung-Min Su , Cho-Yi Lin
- 申请人地址： TW Science-Based Industrial Park, Hsin-Chu
- 专利权人： PixArt Imaging Inc.
- 当前专利权人： PixArt Imaging Inc.
- 当前专利权人地址： TW Science-Based Industrial Park, Hsin-Chu
- 代理商 Winston Hsu; Scott Margo
- 主分类号： G06F3/042
- IPC分类号： G06F3/042
摘要：
A first image sensor captures a first image of a panel of a touch screen. The first image includes a first object, a second object, a first set of reference marks, a second set of reference marks, and a first boundary mark. The touch screen establishes relationships of relative positions among the first image sensor, the first object, the second object, and the reference marks according to positions of the first object, the second object, and the reference marks in the first image. And the touch screen calculates a relative position between the first image sensor and the panel according to the relationships of relative positions among the first image sensor, the first object, the second object, and the reference marks and relative positions among the first object, the second object, and the panel.