发明名称 Screen unit and display system
摘要 A screen unit includes a semipermeable screen sheet sandwiched between a first transparent sheet and a second transparent sheet. The semipermeable screen sheet transmits and reflects a projected image in a constant percentage. The first transparent sheet such as an acrylic sheet wider than the semipermeable screen sheet. The second transparent sheet is the same as the first transparent sheet.
申请公布号 US6844967(B2) 申请公布日期 2005.01.18
申请号 US20020101617 申请日期 2002.03.21
申请人 MITSUBISHI DENKI KABUSHIKI KAISHA;NISHINIHON-DENKEN INC. 发明人 TERAMOTO KOHEI;SATO YASUO;SAKAKIBARA YOSHINORI
分类号 G03B21/60;G03B21/62;(IPC1-7):G03B21/56 主分类号 G03B21/60
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