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    Currency testing system
    2.
    发明授权
    Currency testing system 失效
    货币测试系统

    公开(公告)号：US3706374A

    公开(公告)日：1972-12-19

    申请号：US3706374D

    申请日：1970-10-09

    Applicant: VENDO CO

    Inventor： PTACEK JAMES F

    IPC: G07D7/00 ,  B07C3/12

    CPC classification number: G07D7/00

    Abstract: In a currency acceptor, a transport having a reversible drive conveys a bill to be tested along a path of travel past a first photoelectric detector, a transducer head at a test station for sensing the physical properties of the bill, and then a second photoelectric detector. If the grid areas on opposite sides of the portrait on the bill have physical properties indicative of validity, testing circuitry responsive to the head produces an accept signal as each grid area passes the head. To be deemed valid, the first grid area must cause the production of an accept signal, the leading and trailing edges of the bill must be concurrently detected by the two photoelectric detectors as the portrait passes the head (determines that the bill is not too short), the second grid area must cause the production of a second accept signal by the time the bill reaches a predetermined position along the path, and thereafter the first photoelectric detector must not detect the bill or another, following bill until such time that the bill completely passes the second photoelectric detector and is accepted. If an invalid condition is encountered, the transport drive is reversed and the bill or counterfeit material is returned to the depositor and thereby rejected.

    Abstract translation: 在货币接收器中，具有可逆驱动器的运输装置沿着通过第一光电检测器的行进路径传送要测试的纸币，在测试站处传送用于感测纸币的物理特性的换能器头，然后是第二光电检测器 。 如果钞票上的肖像对面的网格区域具有指示有效性的物理特性，则响应于头部的测试电路在每个格栅区域通过头部时产生接受信号。 为了被认为有效，第一格区必须产生一个接受信号，当肖像通过头时，两个光电检测器必须同时检测纸币的前缘和后端（确定纸币不太短 ），则在纸币到达沿着路径的预定位置时，第二栅格区域必须引起第二接收信号的产生，此后，第一光电检测器不能检测到纸币或其他纸币，直到纸币 完全通过第二个光电探测器并被接受。 如果遇到无效条件，则转运驱动器相反，并将帐单或伪造物品退还给存款人，从而被拒绝。

    Combined optical and magnetic transducer
    7.
    发明授权
    Combined optical and magnetic transducer 失效
    组合光和磁传感器

    公开(公告)号：US3612835A

    公开(公告)日：1971-10-12

    申请号：US3612835D

    申请日：1969-12-19

    Applicant: VENDO CO

    Inventor： ANDREWS BOLEY A ,  PTACEK JAMES F

    IPC: G06K7/00 ,  G07D7/04 ,  G07D7/12 ,  G11B5/127 ,  G11B5/235 ,  G11B7/135 ,  G11B13/04 ,  G06K7/01

    CPC classification number: G11B13/04 ,  G06K7/00 ,  G07D7/04 ,  G07D7/12

    Abstract: A combined optical and magnetic transducer for sensing both optical and magnetic properties of an article, for example, a piece of paper currency or other document having both visible and magnetic markings to be tested or read, an information-bearing medium such as a data-recording tape to be read, or the like. The transducer comprises a magnetic-sensing head having a transparent gap separating the poles of the magnetic core of the head, a photoelectric element being disposed in the head in alignment with the gap. Outside the head, one side of the article contacts or is in close proximity to the poles at the gap, and the article is illuminated by a light source, so that both magnetic properties and optical properties of the article may be detected simultaneously during relative movement of the article and the transducer.

    COMBINED OPTICAL AND MAGNETIC TRANSDUCER
    10.
    发明专利
    COMBINED OPTICAL AND MAGNETIC TRANSDUCER 未知

    公开(公告)号：GB1240639A

    公开(公告)日：1971-07-28

    申请号：GB2534370

    申请日：1970-05-27

    Applicant: VENDO CO

    Inventor： ANDREWS BOLEY A ,  PTACEK JAMES F

    IPC: G06K7/00 ,  G07D7/04 ,  G07D7/12 ,  G11B5/127 ,  G11B5/235 ,  G11B7/135 ,  G11B13/04

    Abstract: 1,240,639. Photo-electric currency valedators. VENDO CO. May 27, 1970 [Dec.19, 1969], No.25343/70. Heading G1A. [Also in Divisions G4-G6] A combined optical and magnetic transducer 20 comprises a magnetic core 22 with a transparent gap 24 which may be a glass or quartz spacer and an optical element 36 disposed to sense the optical properties of an article 12 through the gap. In the embodiment described the article is a currency note with magnetic markings 14 carried by a transparent conveyer 10 but may also be, for example, a recording tape; a light source 16 coacts with a diffused-junction silicon photo-voltaic light sensor to determine the transmittance of the note and coil 26 delivers an output through capacitor 32 indicative of the sensed magnetic properties. The same zone of the article is therefore sensed independently and simultaneously for optical and magnetic information.

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