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发明申请
US20060033609A1 Wireless locating and tracking systems 失效
无线定位和跟踪系统

  • 专利标题： Wireless locating and tracking systems
  • 专利标题（中）： 无线定位和跟踪系统
  • 申请号： US11244920
    申请日： 2005-10-05
  • 公开(公告)号： US20060033609A1
    公开(公告)日： 2006-02-16
  • 发明人: Raj Bridgelall
  • 申请人： Raj Bridgelall
  • 主分类号： G01S1/00
  • IPC分类号： G01S1/00 ;  H04Q5/22
Wireless locating and tracking systems
摘要：
A locating and tracking system is provided in which the assets are desired to be located and tracked are associated with either radio frequency (RF) tags or radio frequency identification and radio frequency data communication (RFID/RFDC) devices. Depending on which device is attached to the asset, the other device is located at known locations. The RFID/RFDC devices interrogate and receive signals from the RF tags. The received information is sent to the host computer. With the location of either the RF tags or the RFID/RFDC devices known, the assets may be located and tracked. An improved RF tag antenna design is also provided by using a switching mechanism connected to at least two antennas.
摘要（中）：

提供了一种定位和跟踪系统，其中希望将资产定位和跟踪与射频（RF）标签或射频识别和射频数据通信（RFID / RFDC）设备相关联。 根据哪个设备连接到资产，其他设备位于已知位置。 RFID / RFDC设备询问并接收来自RF标签的信号。 接收到的信息被发送到主机。 随着RF标签或RFID / RFDC设备的位置已知，资产可能被定位和跟踪。 还通过使用连接到至少两个天线的开关机构来提供改进的RF标签天线设计。

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