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    • 5. 发明申请
    • METAL CARD WITH RADIO FREQUENCY (RF) TRANSMISSION CAPABILITY
    • 具有无线电频率(RF)传输能力的金属卡
    • WO2014113765A1
    • 2014-07-24
    • PCT/US2014/012222
    • 2014-01-20
    • COMPOSECURE, LLCHERSLOW, JohnLOWE, Adam
    • HERSLOW, JohnLOWE, Adam
    • G06K19/077
    • G06K19/02G06K19/07771G06K19/07794
    • A smart card with a metal layer which can capture radio-frequency (RF) signals via an antenna system is made operable by modifying the metal layer to enable passage of RF signals through the metal layer and/or by introducing a ferrite layer to enhance the efficient reception/transmission of RF signals by the antenna system. In one embodiment apertures are formed in and through the metal layer to allow RF signals to pass through the metal layer without negatively impacting the decorative or esthetic and/or reftective nature of the metal Iayer. These modifications allow for dual interface and contactless smart card formats. In other embodiments of the invention, a ferrite layer is formed between the metal layer and the inductors/antennas mounted within the smart card to enhance the efficient reception/transmission of RF signals.
    • 具有能够通过天线系统捕获射频(RF)信号的金属层的智能卡通过修改金属层而可操作,以使得RF信号能够通过金属层和/或通过引入铁氧体层来增强 通过天线系统有效地接收/发射RF信号。 在一个实施例中,在金属层中并穿过金属层形成孔,以允许RF信号通过金属层,而不会不利地影响金属层的装饰性或美观性和/或延性性质。 这些修改允许双接口和非接触式智能卡格式。 在本发明的其它实施例中,在金属层和安装在智能卡内的电感器/天线之间形成铁氧体层,以增强RF信号的有效接收/传输。