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    • 21. 发明授权
    • Method for isolating radio propagation zones
    • 隔离无线电传播区域的方法
    • US07369051B1
    • 2008-05-06
    • US11937979
    • 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 method for using 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 method including: selecting a curtain that limits propagation of the radio signal; and placing the curtain in an area through which the radio signal would otherwise propagate; wherein the curtain includes a plurality of flexible strips 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.
    • 一种使用包括应答器,天线和读取器的射频识别(RFID)系统的方法,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接收响应无线电信号 所述响应无线电信号包括来自所述应答器的数据,所述方法包括:选择限制所述无线电信号的传播的窗帘; 并将窗帘放置在无线电信号将通过其传播的区域中; 其中所述帘幕包括多个对可见光透明的柔性条带,每个条带的长边沿大致垂直方向定向,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 条带,并且每个条带的长度基本上大于每个条带的宽度。