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1. 发明授权

US3777120A Device for selectively passing and blocking sheets of planar material depending upon the orientation thereof 失效
标题翻译：根据其定向方式选择平面材料的通风和阻塞片的装置
公开(公告)号：US3777120A
公开(公告)日：1973-12-04
申请号：US3777120D
申请日：1972-06-23
申请人： ADDRESSOGRAPH MULTIGRAPH
发明人： MENGER J , THORNTON B
IPC分类号： G06K7/015 , G06K13/063 , G06K13/06
CPC分类号： G06K7/015 , G06K13/063
摘要： A device for selectively passing or blocking credit cards introduced into a reading mechanism, passing the credit card for entry when, and only when, the card is oriented in a given position. The credit card has one corner thereof cut at a 45* angle. A pin is provided on the path of the credit card to coact with the corner of a leading edge thereof. The pin has a sloping angled surface which will coact with the angled cut of the card and allow the pin to be depressed and pass the card thereby when the angled cut corner strikes the pin signifying proper orientation; the pin also has a vertical blocking surface which will block passage of the card by engaging any other corner of the card signifying improper orientation thereof.
摘要翻译：一种用于选择性地通过或阻止引入读取机构的信用卡的设备，当卡片在给定位置定向时，仅当卡片定向时才通过信用卡进入。信用卡的一个角部以45度角切割。在信用卡的路径上提供一个销以与其前缘的角合作。销具有倾斜的倾斜表面，其将与卡的成角度的切口共同作用，并且允许销被压下并且通过卡从而当角度切割的拐角撞击销时指示正确的方向; 该销还具有垂直的阻挡表面，该垂直的阻挡表面将阻止卡的通过，使卡的任何其他角部卡合，表示其不正确的取向。

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