Transparency slide unit as well as method and apparatus for producing the same
    1.
    发明授权
    Transparency slide unit as well as method and apparatus for producing the same 失效
    透明度滑块单元及其制造方法和装置

    公开(公告)号:US3878632A

    公开(公告)日:1975-04-22

    申请号:US38755073

    申请日:1973-08-13

    IPC分类号: G03D15/10 G09F1/12

    CPC分类号: G03D15/10

    摘要: A transparency slide unit for use in projectors and viewers comprising a film diapositive mounted and positively retained in a frame composed of two separate and substantially uniform frame halves permanently interlocked in mutually offset positions by rivetting, and an apparatus for mounting film transparencies in such frames.

    摘要翻译: 一种用于投影机和观看者的透明度滑动单元,包括一个安装在膜上并被积极地保持在框架中的薄膜,该框架由通过铆接在互相偏移位置中永久地互锁的两个单独的和基本均匀的框架半部构成,以及用于在这种框架中安装胶片透明胶片的装置。