发明名称 |
INTERACTIVE POLARIZATION-PRESERVING PROJECTION DISPLAY |
摘要 |
The disclosure generally relates to optical devices, such as interactive displays, and in particular to interactive projection displays having passive input devices. The present disclosure also provides a passive interactive input device having the ability to overcome problematic ambient interference signals in an interactive display, such as an interactive projection display. |
申请公布号 |
WO2012064520(A1) |
申请公布日期 |
2012.05.18 |
申请号 |
WO2011US58215 |
申请日期 |
2011.10.28 |
申请人 |
3M INNOVATIVE PROPERTIES COMPANY;JESME, RONALD D.;SCHARDT, CRAIG R. |
发明人 |
JESME, RONALD D.;SCHARDT, CRAIG R. |
分类号 |
G06F3/042;H04N9/31 |
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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