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    • 3. 发明申请
    • RFID CARD WITH PIEZOELECTRIC ELEMENT
    • RFID卡与压电元件
    • WO2010019851A2
    • 2010-02-18
    • PCT/US2009/053831
    • 2009-08-14
    • SPIVEY TECHNOLOGIES, LLCSPIVEY, John, William, Jr.
    • SPIVEY, John, William, Jr.
    • G06K19/07H01L41/08
    • G06K19/07345G06K19/0707G06K19/07749G06K19/0775
    • A radio-frequency identification (RFID) card includes an RFID element that is adapted to store RFID data information, an antenna, electrically connected at each of two ends to the RFID element, and a piezoelectric element, electrically connected to at least one of the two ends of the antenna, whereby mechanical actuation of the piezoelectric element enables the antenna to be energized by a transmission from an RFID reader terminal, thereby powering the transmission of RFID data information from the RFID element to the RFID reader terminal. An RFID system includes such a card, and an RFID reader terminal. A method of controlling the transmission of RFID data information from an RFID card includes positioning an RFID card, having a piezoelectric element electrically connected to an antenna that is electrically connected at each of two ends to an RFID element, in the vicinity of an RFID reader terminal; mechanically actuating the piezoelectric element; as a function of the mechanically actuating step, enabling the antenna to be energized by a transmission from an RFID reader terminal; and using the energy from the transmission from the RFID reader terminal, powering the transmission of RFID data information from the RFID element to the RFID reader terminal.
    • 射频识别(RFID)卡包括适于存储RFID数据信息的RFID元件,在两个端部中电连接到RFID元件的天线以及电连接到RFID元件中的至少一个的压电元件 天线的两端,由此压电元件的机械致动使得能够通过来自RFID读取器终端的传输来激励天线,从而为从RFID元件到RFID读取器终端的RFID数据信息的传输提供动力。 RFID系统包括这样的卡和RFID读取器终端。 一种控制来自RFID卡的RFID数据信息的传输的方法包括将RFID卡片放置在RFID读取器附近,该RFID卡具有电连接到两端各自电气连接的天线的压电元件到RFID元件 终奌站; 机械地致动压电元件; 作为机械致动步骤的功能,使得能够通过来自RFID读取器终端的传输来激励天线; 并且使用来自RFID读取器终端的传输的能量,为从RFID元件到RFID读取器终端的RFID数据信息的传输提供动力。