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Transmitted light image for use as translucent model, for e.g. slide, poster, image, for projection screen, is attached in closed frame with rear wall
Transmitted light image for use as translucent model, for e.g. slide, poster, image, for projection screen, is attached in closed frame with rear wall
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机译：用作半透明模型的透射光图像，例如幻灯片，海报，图像，用于投影屏，安装在带有后壁的封闭框架中
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摘要
The transmitted light image is attached in a closed frame with a rear wall (2). An object holding frame (3) is provided with three groups at a disk and foils, which are provided in a front surface of a reflecting projection surface. A photo sensor (17) is attached or inserted behind the windshield within a mask range. A control unit is provided for the photo sensor with electrical connections, cables and connecting terminals.
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