发明名称 |
TOUCH-SENSITIVE DISPLAY DEVICES |
摘要 |
<p>Some embodiments of the present invention provide touch sensitive image display devices including: an image projector to project a displayed image onto a surface; a touch sensor light source to project a plane of light above the displayed image; a camera to capture a touch sense image from light scattered from the plane of light by an approaching object; and a signal processor to process the touch sense image to identify a location of the object. The light path to the touch sensor camera includes a keystone-distortion compensating topical element, in particular a convex curved aspherical minor.</p> |
申请公布号 |
EP2766794(A1) |
申请公布日期 |
2014.08.20 |
申请号 |
EP20120780778 |
申请日期 |
2012.10.08 |
申请人 |
LIGHT BLUE OPTICS LTD. |
发明人 |
SMITH, EUAN CHRISTOPHER;FREEMAN, JONATHAN |
分类号 |
G06F3/03;G06F3/042 |
主分类号 |
G06F3/03 |
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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