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    • 61. 发明授权
    • Photographic copying apparatus
    • 摄影复印机
    • US4585338A
    • 1986-04-29
    • US663991
    • 1984-10-22
    • Wilhelm NitschWalter KieslichHelmut Treiber
    • Wilhelm NitschWalter KieslichHelmut Treiber
    • G02B7/08G02B7/10G03B27/34G03G15/041G03B27/40
    • G03B27/34G02B7/10
    • In a photographic copying apparatus, in which the plane of the original and the plane of the copying material are positioned at the stable distance from each other, an objective has two optical elements which are adjustable relative to a reference position by means of the associated step motors in the axial direction so as to thereby adjust an image scale and a focus distance. A computer for controlling the step motors and two memory devices, connected to the computer, are provided in the apparatus. The data of the objective characteristics are stored in the first memory and specific apparatus data, as well as individual user's data, are programmed by a user and stored in the second memory. The computer controls the step motors in accordance with the capacities of the two memory devices.
    • 在其中原稿的平面和复印材料的平面位于彼此稳定距离的照相复印设备中,物镜具有两个光学元件,其通过相关的步骤相对于参考位置可调节 电动机沿轴向方向,从而调整图像尺度和对焦距离。 在该装置中设置有用于控制步进电机和连接到计算机的两个存储装置的计算机。 客观特性的数据存储在第一存储器中,特定装置数据以及各个用户的数据由用户编程并存储在第二存储器中。 计算机根据两个存储器件的容量控制步进电机。
    • 62. 发明授权
    • Method and machine for automatic focusing in a projection system with
continuously variable magnification
    • 在具有连续可变放大倍率的投影系统中自动对焦的方法和机器
    • US4488804A
    • 1984-12-18
    • US454583
    • 1982-12-30
    • Tsuneo Takagi
    • Tsuneo Takagi
    • G02B7/28G03B21/14G03B27/34G05D3/00G03B27/40
    • G03B27/34
    • A method and machine for automatic focusing in a projection system with continuously variable magnification, wherein an original picture is projected onto a photosensitive material by a focusing lens, wherein one of these three members is fixed and the other two members are moved in a direction of a light axis by moving means, wherein the positions of the two moving members are detected by detectors, and wherein control means controls that, when the magnification of a picture image is changed, one moving member having a larger moving rate than that of the other moving member is moved ahead of the other moving member and the other moving member is moved dependent on the one moving member so that the picture image projected may constantly be focused onto the photosensitive material.
    • 一种用于在具有连续可变放大倍数的投影系统中自动聚焦的方法和机器,其中通过聚焦透镜将原始图像投影到感光材料上,其中这三个部件中的一个被固定,并且另外两个部件沿着 通过移动装置的光轴,其中两个移动构件的位置由检测器检测,并且其中控制装置控制当图像的倍率改变时,具有比其他移动量大的移动速率的一个移动构件 移动构件在另一移动构件之前移动,另一移动构件依赖于一个移动构件而移动,使得投影的图像图像可以不断地聚焦到感光材料上。