发明名称 |
Optical Touch System and Optical Touch Control Method |
摘要 |
An optical touch control method includes steps of: providing a bright background from at least one edge of a touch surface in a first period; providing illumination light to the touch surface in a second period; capturing a first image of an indicator object blocking a portion of the bright background in the first period; and capturing a second image of the indicator object reflecting the illumination light in the second period. An optical touch system is also provided. |
申请公布号 |
US2014043297(A1) |
申请公布日期 |
2014.02.13 |
申请号 |
US201313856432 |
申请日期 |
2013.04.03 |
申请人 |
PIXART IMAGING INC. |
发明人 |
SU TZUNG-MIN;LIAO CHI-CHIEH;CHENG HAN-PING;LIN CHIH-HSIN;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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