发明名称 Tensioned projection screen
摘要 A projection screen apparatus is disclosed for displaying an image projected by a projector. The projection screen apparatus includes a frame and a screen. The frame includes a plurality of frame members and corner members.
申请公布号 US7369310(B1) 申请公布日期 2008.05.06
申请号 US20060526951 申请日期 2006.09.26
申请人 DRAPER, INC. 发明人 RISHER KENNETH M
分类号 G03B21/56 主分类号 G03B21/56
代理机构 代理人
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