发明名称 |
SYSTEM AND METHOD FOR HIGHLIGHTING MULTIMEDIA PRESENTATION |
摘要 |
A projector includes an infrared camera. Projected infrared rays on a screen are detected and the projector calculate coordinates of a center point of a projection area of the infrared ray projected on the screen. The coordinates of the center point is transformed to coordinates of a pixel point on the screen corresponding to a resolution of a projection lens of the projector. The projector determines the pixel point on the screen according to the converted coordinates. A light source of the projector is controlled to highlight the pixel point on the screen.
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申请公布号 |
US2012098745(A1) |
申请公布日期 |
2012.04.26 |
申请号 |
US201113167710 |
申请日期 |
2011.06.24 |
申请人 |
WANG PO-CHANG;HON HAI PRECISION INDUSTRY CO., LTD. |
发明人 |
WANG PO-CHANG |
分类号 |
G06F3/038 |
主分类号 |
G06F3/038 |
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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