发明名称 Lecture presentation system
摘要 A lecture presentation system includes a display screen and a projector for projecting an image onto the display screen. The display screen has image-receiving strip members linked to one another for receiving the image projected from the projector and an open space between each two adjacent strip members. Another lecture presentation system disclosed by the present invention includes a display screen for displaying an image. The display screen is formed of strip-like LCDs (liquid crystal displays) coupled to one another and respectively spaced from one another by an open space.
申请公布号 US7494224(B2) 申请公布日期 2009.02.24
申请号 US20050258528 申请日期 2005.10.26
申请人 LIN WILLIAM 发明人 LIN WILLIAM
分类号 G03B21/14 主分类号 G03B21/14
代理机构 代理人
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