发明名称 |
Projection display system with pressure sensing at screen, and computer assisted alignment implemented by applying pressure at displayed calibration marks |
摘要 |
An interactive display system comprising a touch sensitive display surface for sensing pressure applied thereto and in response generating control signals indicating locations of the applied pressure, a personal computer for receiving the control signals and in response generating graphic images, and an LCD panel in combination with an overhead projector for receiving and projecting the graphic images onto the touch sensitive display surface at the indicated locations. The LCD panel and overhead projector may be provided an an integral unit. |
申请公布号 |
US2004263488(A1) |
申请公布日期 |
2004.12.30 |
申请号 |
US20040832281 |
申请日期 |
2004.04.27 |
申请人 |
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发明人 |
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分类号 |
G03B21/132;G06F3/033;G06F3/041;G06F3/048;H04L12/18;(IPC1-7):G09G5/00 |
主分类号 |
G03B21/132 |
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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