发明名称 Projection system and method of use thereof
摘要 A projection system and method of use thereof, wherein a computer in electrical communication with at least one projector projects a layout, preferably onto a floor projection surface utilizing short throw lenses, wherein the layout preferably comprises a grid and indicia relating to an exhibitor.
申请公布号 US2008297740(A1) 申请公布日期 2008.12.04
申请号 US20070807511 申请日期 2007.05.29
申请人 HUYNH PHONG;HUYNH LIEM 发明人 HUYNH PHONG;HUYNH LIEM
分类号 G03B21/14 主分类号 G03B21/14
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