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    • 4. 发明授权
    • Device for inscribing additional information on microfilms
    • 用于在微缩胶片上记录附加信息的装置
    • US4026644A
    • 1977-05-31
    • US563363
    • 1975-03-31
    • Hiroshi TsuchidaMakoto SatoShin Hirayama
    • Hiroshi TsuchidaMakoto SatoShin Hirayama
    • G03B27/52B43L13/10G03B17/24G03B21/11G03B21/00
    • B43L13/10G03B17/245G03B2217/243
    • A device for inscribing additional informations on microfilms of a construction, wherein informations already recorded on microfilms are projected on an image screen by means of an enlarging and projecting device, additional informations to be entered on this microfilm are written in on the projected enlarged information images on the screen by a pen through guide means which moves on the projected image on the screen, the additional informations thus written-in on an appropriate portion on the projected image on the screen are reduced by a scale reducing means interlinked with the guide means and which reduces the movement of the guide means, and the thus reduced additional informations are then inscribed on the microfilm by means of write-in needle attached to the scale-reducing means.
    • 一种用于在构造的微缩胶片上记录附加信息的装置,其中已经记录在微缩胶卷上的信息通过放大和投影装置投影在图像屏幕上,在该缩微胶卷上输入的附加信息被写入投影的放大信息图像 通过在屏幕上的投影图像上移动的笔通过引导装置在屏幕上,通过与引导装置相互连接的缩放减少装置来减少如此写入在屏幕上的投影图像上的适当部分上的附加信息,并且 这减少了引导装置的运动,然后借助于附接到减缩装置的写入针将这样减少的附加信息内接在微缩胶卷上。