| 摘要 |
AN ARRANGEMENT OF A PROJECTION SCREEN 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.degree. to 180.degree.. In an embodiment intended for back projection lamella members (2) are manufactured from a translucent, nontransparent material. Lamella members (2) are provided with a common adjustment means (9,10) which may be remote controlled. (Figure 1)
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