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    • 23. 发明申请
    • RFID device with changeable characteristics
    • 具有可变特性的RFID设备
    • US20070096915A1
    • 2007-05-03
    • US11642804
    • 2006-12-20
    • Ian ForsterYukihiko Sasaki
    • Ian ForsterYukihiko Sasaki
    • G08B13/14
    • G06K19/07345G06K19/0717G06K19/073G06K19/07749G06K19/07798H01L2224/16H01L2924/3011
    • An RFID device includes a first, relatively permanent portion and a second alterable or inactivatable portion. Upon the occurrence of some predetermined event, the second portion and/or its coupling to the first portion is physically altered, inactivating it. The first portion may itself be an antennaless RFID device that may be read at short range, and the second portion may be an antenna that, when coupled to the first portion, substantially increases the range at which the first portion may be read. The second portion may be configured to be altered or inactivated by any of a variety of predetermined events, such as involving physical, chemical or electrical forces, performed either on the RFID device, or upon an object to which the RFID device is coupled.
    • RFID装置包括第一相对永久部分和第二可变形或可灭活部分。 在发生某些预定事件时,第二部分和/或其与第一部分的耦合物理地改变,使其失活。 第一部分本身可以是可以在短距离读取的无天线的RFID设备,并且第二部分可以是天线,当耦合到第一部分时,天线可以基本上增加可以读取第一部分的范围。 第二部分可以被配置为通过各种预定事件中的任何一个被改变或失活,例如涉及在RFID设备上执行的物理,化学或电力,或者与RFID设备耦合到的对象上。