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    • 5. 发明授权
    • Curtain for isolating radio propagation zones
    • 隔离无线电传播区的窗帘
    • US07369050B1
    • 2008-05-06
    • US11937971
    • 2007-11-09
    • Steven V. De GennaroSastry S. DuriPaul A. Moskowitz
    • Steven V. De GennaroSastry S. DuriPaul A. Moskowitz
    • G08B13/14
    • G06K7/0008G06K7/10316
    • A curtain for a radio frequency identification (RFID) system including a transponder, an antenna, and a reader, the antenna coupled to the reader, the antenna and the reader for transmitting a radio signal to the transponder and for receiving a response radio signal from the transponder, the response radio signal including data from the transponder, the curtain including: a plurality of flexible strips that limit propagation of the radio signal; wherein the strips are transparent to visible light, the long edge of each of the strips is oriented in substantially the vertical direction, more than one strip overlaps a portion of the width of an adjacent strip along the length of the adjacent strip, and the length of each of the strips is substantially greater than the width of each of the strips.
    • 用于包括发射机应答器,天线和读取器的射频识别(RFID)系统的帘幕,耦合到读取器的天线,天线和读取器,用于将无线电信号发送到应答器,并且用于从 应答器,包括来自应答器的数据的响应无线电信号,窗帘包括:限制无线电信号传播的多个柔性条带; 其中条带对于可见光是透明的,每个条带的长边沿基本垂直方向定向,多于一个条带沿着相邻条带的长度与相邻条带的宽度的一部分重叠,并且长度 每个条带的宽度大致大于每个条带的宽度。