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    • 6. 发明申请
    • OVD CONTAINING DEVICE
    • 包含OVD的设备
    • US20090251749A1
    • 2009-10-08
    • US12420367
    • 2009-04-08
    • Lily O'BOYLEGarth ZAMBORYSalvatore F. D'AMATO
    • Lily O'BOYLEGarth ZAMBORYSalvatore F. D'AMATO
    • G03H1/22G02B5/18B42D15/00
    • B32B37/04B32B15/00B32B27/08B42D15/00G03H1/0011G03H1/0244G03H1/0252G03H2001/187G03H2001/188G03H2250/10G03H2250/36Y10T428/31507
    • A holographic overlay is provided, including: a polycarbonate substrate having a first side and a second side, a diffractive structure cast upon the first side of the polycarbonate substrate, and a reflection-enhancing coating on at least a part of the diffractive structure; wherein the second side of the polycarbonate substrate provides a substantially flat external surface of the overlay capable of fusing to a conforming surface in the presence of heat and pressure without an adhesive. Optionally, the overlay is laser-engraved so as to form ablated voids in the metal coating and carbonize the laser engravable polycarbonate under the ablated voids. According to another aspect of the invention, a metal coating on a hologram is made substantially transparent using a laser to form a transparent portion of a hologram. Optionally, it is done after applying the hologram to an object such as a card, a document, etc., in register with underlying information to ensure its visibility and continuity of the hologram.
    • 提供了一种全息覆盖层,包括:具有第一侧和第二侧的聚碳酸酯基底,在聚碳酸酯基底的第一侧上铸造的衍射结构,以及至少部分衍射结构的反射增强涂层; 其中所述聚碳酸酯基材的第二面提供覆盖层的基本上平坦的外表面,其能够在没有粘合剂的情况下在热和压力存在的情况下熔合到符合表面。 任选地,覆盖层被激光雕刻,以在金属涂层中形成消融的空隙,并在烧蚀的空隙下碳化激光可雕刻的聚碳酸酯。 根据本发明的另一方面,使用激光器将全息图上的金属涂层制成基本上透明的,以形成全息图的透明部分。 可选地,在将全息图应用于诸如卡,文档等的对象之后,与底层信息对齐,以确保其全息图的可见性和连续性。
    • 9. 发明授权
    • Card security system
    • 卡安全系统
    • US06328209B1
    • 2001-12-11
    • US09243133
    • 1999-02-03
    • Lily O'Boyle
    • Lily O'Boyle
    • G06K500
    • G06K19/14G06K19/16
    • The object of the present invention is to effectively enhance card security in a system using identification card or the like. The card security system comprises a card issuing apparatus 100 and a card reader 300. The card issuing apparatus 100 obtains data D and E by reading hologram 2 and barcode 3 on a card 1. Data A, B and C are input from computer 200. An encryption unit 104 generates check data EN based on data A-E. A magnetic writer 103 write the data A-E and EN on a magnetic stripe 4. The card reader 300 reads data A-E and EN from the card 1, generates check data based on the read data A-E, and determines whether or not the card is genuine by comparing the calculated check data with the read check data EN.
    • 本发明的目的是有效地增强使用识别卡等的系统中的卡安全性。 卡安全系统包括卡发行装置100和读卡器300.卡发行装置100通过在卡1上读取全息图2和条形码3来获得数据D和E.数据A,B和C从计算机200输入。 加密单元104基于数据AE生成检查数据EN。 磁性写入器103将数据AE和EN写入磁条4.读卡器300从卡1读取数据AE和EN,根据读取的数据AE生成检查数据,并通过以下方式确定卡是否是真实的 将计算的检查数据与读取检查数据EN进行比较。