发明名称 |
OPTICAL TOUCH PANEL SYSTEM AND POSITIONING METHOD THEREOF |
摘要 |
The present invention discloses an optical touch panel system and a positioning method for positioning an object existing in a touch control area. The system includes: at least one reflective element disposed on a side of the touch control area; at least one light guide module disposed on a side of the touch control area adjacent to or opposite the reflective element and emitting light; an image sensor capturing an image of the object; a plurality of photo detectors arranged on a side of the touch control area adjacent to the image sensor and sensing the object to obtain shade information; and a processor calculating the coordinates of the object according to the image and the shade information. |
申请公布号 |
US2014098062(A1) |
申请公布日期 |
2014.04.10 |
申请号 |
US201213647289 |
申请日期 |
2012.10.08 |
申请人 |
LIN CHUN-SHEN;LU CHUN-YI;LIAO CHI-CHIEH;SU TZUNG-MIN;KAO MING-TSAN;PIXART IMAGING INCORPORATION, R.O.C. |
发明人 |
LIN CHUN-SHEN;LU CHUN-YI;LIAO CHI-CHIEH;SU TZUNG-MIN;KAO MING-TSAN |
分类号 |
G06F3/042 |
主分类号 |
G06F3/042 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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