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    • 3. 发明授权
    • Dual beam rangefinder
    • 双光束范围
    • US3696724A
    • 1972-10-10
    • US3696724D
    • 1969-12-30
    • BELL & HOWELL CO
    • HARTMANN RUDOLF
    • G03B13/20G03B19/12G03B3/06
    • G03B19/12G03B13/20
    • A rangefinder system is mounted in a camera with a viewfinder system and an objective lens having an afocal lens portion and a prime lens portion between which a pair of light reflecting members, such as mirrors, are mounted offset from the optical axis of the objective lens, so as to not intersect the film image light rays, thereby minimizing light loss to the film and maximizing finder image brightness, and to reflect light rays from the entire scene to a plane in the viewfinder system causing a superimposed image to be viewable when the objective lens is in focus and to cause separate images to be viewable when the lens is not in focus. The mirrors are supported on structures, adjustable during assembly, for enabling correction of divergent or convergent light rays to collimated rays.
    • 测距系统安装在具有取景器系统的摄像机和具有无焦距透镜部分和主透镜部分的物镜之间,一对光反射部件(诸如反射镜)安装在物镜的光轴偏置处 ,以便不与胶片图像光线相交,从而最小化对胶片的光损失并且使取景器图像亮度最大化,并将来自整个场景的光线反射到取景器系统中的平面,使得叠加的图像可以在 当镜头未对焦时,物镜处于对焦状态,并导致单独的图像可见。 镜子支撑在结构上,可在组装过程中调节,以便使发散光或会聚光线能够校准光线。
    • 8. 发明授权
    • Apparatus for the liquid-processing of light-sensitive sheet material
    • 用于液体处理感光片材的装置
    • US4490030A
    • 1984-12-25
    • US520378
    • 1983-08-04
    • Leo AcklinMarcel Rossier
    • Leo AcklinMarcel Rossier
    • G03D5/06G03D3/02G03D5/04G03B3/06
    • G03D5/04G03D3/02
    • An apparatus for the liquid processing of light-sensitive material comprises a processing dish having a horizontal intermediate bottom and passage gaps, at the sheet entry end as well as at the sheet exit end, respectively, between the respective end wall of the dish and the adjacent edge of the intermediate bottom. The intermediate bottom is provided on its upper side with a screen of slender pins. The screen of pins together with a lid covering the dish delimit a passage gap for the sheets being conveyed through the passage gap in the apparatus by means of pairs of conveying and squeezing rollers in the direction indicated by an arrow T. In the dish end wall at the sheet exit end, a horizontal row of injection nozzles for the processing liquid is provided near the dish bottom. The dish end wall at the sheet entry end is provided with a horizontally extending ledge of nose-like cross section in order to deflect by 180.degree. the stream of liquid arriving from under the intermediate bottom. Thereby, a liquid stream is generated which circulates about the intermediate bottom, while a portion of the liquid passes over the overflow constituted by the upper rim of the dish end wall on the sheet entry side, and is recirculated by a circulating pump and through the nozzles into the dish.
    • 用于感光材料的液体处理的装置包括一个处理盘,该处理盘具有水平的中间底部和通道间隙,分别位于纸的入口端和纸张出口端之间, 中间底部的相邻边缘。 中间底部在其上侧设置有细长的针的屏幕。 销子的屏幕与覆盖盘子的盖子一起限定通过间隙的纸张,该通道间隙通过成对的输送和挤压辊沿箭头T所示的方向输送通过装置中的通道间隙。在盘端壁 在纸张出口端处,在餐具底部附近设置有用于处理液体的水平排的喷嘴。 片材进入端的盘端壁设有一个水平延伸的鼻状横截面,以便从中间底部下方的液体流偏转180°。 因此,产生液体流,其在中间底部周围循环,同时液体的一部分通过由片材进入侧的盘端壁的上边缘构成的溢流,并且由循环泵再循环并通过 喷嘴进入盘子。