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    • 8. 发明授权
    • Portable film conversion device
    • 便携式电影转换装置
    • US06724420B2
    • 2004-04-20
    • US09747291
    • 2000-12-21
    • Stuart T. SpenceHarry L. Tarnoff
    • Stuart T. SpenceHarry L. Tarnoff
    • H04N947
    • H04N5/253G11B27/028G11B27/034G11B27/10G11B2220/218G11B2220/2545G11B2220/2562H04N1/12H04N3/38
    • A lamp, a film guide, and a photosensitive detector are combined into an optical system contained in a portable device that generates electrical signals representing images recorded on motion picture film. The film guide has a surface proximate to the motion picture with an aperture therein through which light from the lamp passes to image the film on the photosensitive detector. A digital processor, which is electrically connected to the photosensitive detector processes an electronic signal output by the photosensitive detector. To provide compactness, the optical system has a folded path comprising three segments each separately mounted on a different surface. The first segment includes the lamp, the second includes the film guide, and the third includes the photosensitive detector. An optical detector positioned so as to receive light from the lamp enables adjusting the device when the device is moved to a location where the temperature and other environmental conditions change. This configuration also finds use when the device is located in an environment whose temperature remains consistently hot.
    • 将灯,胶片导向器和光敏检测器组合成包含在便携式设备中的光学系统,该便携式设备产生表示记录在电影胶片上的图像的电信号。 胶片引导件具有靠近运动图像的表面,其中具有孔,来自灯的光通过该孔通过以使感光检测器上的膜成像。 与光敏检测器电连接的数字处理器处理由光敏检测器输出的电子信号。 为了提供紧凑性,光学系统具有包括分别安装在不同表面上的三个段的折叠路径。 第一段包括灯,第二段包括膜引导件,第三段包括光敏检测器。 定位成接收来自灯的光的光学检测器能够在装置移动到温度和其他环境条件改变的位置时调节该装置。 当设备位于温度保持不变的环境中时,也可以使用此配置。