发明名称 AN ARRANGEMENT OF A PROJECTION SCREEN
摘要 An arrangement of a projection screen (1) for displaying a projected image comprises a number of elongated lamella members (2) which are provided at a mutual distance (a) in a common screen plane. With their viewing plane lamella members (2) form an angle ( alpha ) with the common screen plane. The lamella members are vertically arranged and are turnable about a vertical axis from 0 DEG to 180 DEG . In an embodiment intended for back projection lamella members (2) are manufactured from a translucent, non-transparent material. Lamella members (2) are provided with a common adjustment means (9, 10) which may be remote controlled.
申请公布号 WO8906825(A1) 申请公布日期 1989.07.27
申请号 WO1989NO00007 申请日期 1989.01.13
申请人 LYNGHOLM, TORE 发明人 LYNGHOLM, TORE
分类号 G03B21/62;(IPC1-7):G03B21/62 主分类号 G03B21/62
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