发明名称 Projection device and screen
摘要 A projection unit is provided. The projection unit may include a projector having a wide-angle lens system. The projector may be positioned substantially adjacent a display surface and may be configured to generate an image on the display surface. The projection unit further may include a moveable element supporting the projector configured to enable selective lateral positioning of the projector.
申请公布号 US2004223123(A1) 申请公布日期 2004.11.11
申请号 US20040825732 申请日期 2004.04.15
申请人 ENGLE T. SCOTT;GOHMAN JEFFREY A. 发明人 ENGLE T. SCOTT;GOHMAN JEFFREY A.
分类号 G02B13/06;G02B13/16;G03B21/06;G03B21/10;H04N17/00;(IPC1-7):G03B21/00 主分类号 G02B13/06
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