发明名称 Lightweight compactible projection screen for trade show and other uses
摘要 A screen for a trade show or like environment that is lightweight, flexible and compactible. The screen may be patterned to include a plurality of ridges extending from a top to a bottom thereof that serve to reflect projected light into a larger field of view. The screen may be concave about a horizontal axis of otherwise arranged to reflect projected light toward a desired audience. Various releasable, biased mechanisms for attaching a flexible screen member to a disassembleable frame structure are also disclosed.
申请公布号 US2007273966(A1) 申请公布日期 2007.11.29
申请号 US20070654490 申请日期 2007.01.16
申请人 CHEN SHANE 发明人 CHEN SHANE
分类号 G03B21/56 主分类号 G03B21/56
代理机构 代理人
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