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    • 6. 发明授权
    • Flat loop antenna in a single plane for use in radio frequency
identification tags
    • 平面环形天线,用于射频识别标签
    • US6147655A
    • 2000-11-14
    • US187024
    • 1998-11-05
    • Bruce B. Roesner
    • Bruce B. Roesner
    • H01Q1/22H01Q7/00H01Q11/14H01Q11/12
    • H01Q1/2225H01Q1/22H01Q1/38H01Q11/14H01Q7/00
    • A flat compact loop pattern provides an antenna for radio frequency identification tags with an enhanced voltage and/or current across two closely adjacently spaced terminals which are disposed on the same side of an insulating substrate. The amount of voltage supplied by the antenna loop to the RFID tag depends not only on the surface area included within the loop but also on the length of the planar loop or winding. The loop is comprised of a serpentine non-crossing wire disposed all on one side of the substrate, typically in the pattern of either a raster patterns in areas adjacent to one or more of the sides of the rectangular substrate, or a radial array of loops extending between the periphery and center of the substrate as the loops are azimuthally advanced around the center like spokes on a wheel or slices of pie.
    • 平坦紧凑的环形图案提供用于射频识别标签的天线,其具有跨越两个紧密相邻的端子的增强的电压和/或电流,所述端子设置在绝缘基板的同一侧上。 由天线回路提供给RFID标签的电压量不仅取决于包含在回路内的表面积,而且取决于平面回路或绕组的长度。 该环路由全部位于衬底的一侧上的蛇形非交叉导线组成,通常为与矩形衬底的一个或多个侧面相邻的区域中的光栅图案的图案,或环形的径向阵列 当基座的周边和中心之间沿圆周方位角推进时,在轮子或饼状切片上的中心像辐条一样延伸。
    • 9. 发明申请
    • SWITCHABLE RFID TAG
    • 可切换RFID标签
    • US20130238405A1
    • 2013-09-12
    • US13416706
    • 2012-03-09
    • Bruce B. Roesner
    • Bruce B. Roesner
    • G07B15/00G06K19/067
    • G06K19/07327G06K19/0723G06K19/07345
    • An RFID tag and a method of its use are disclosed. One such RFID tag includes first, second, and third RFID inlays included on a tag housing, the first, second, and third RFID inlays each corresponding to a different rate identifier. The tag also includes a panel engaged with the housing and movable among first, second and third positions. The panel includes RFID shorting structures each positioned to electrically contact one of the first, second, and third RFID inlays such that, in any of the first, second, and third positions, only one of the first, second, and third RFID inlays remains active.
    • 公开了一种RFID标签及其使用方法。 一个这样的RFID标签包括包括在标签外壳上的第一,第二和第三RFID镶嵌物,第一,第二和第三RFID镶嵌件各自对应于不同的速率标识符。 标签还包括与壳体接合并可在第一,第二和第三位置之间移动的面板。 面板包括RFID短路结构,每个定位成电接触第一,第二和第三RFID镶嵌中的一个,使得在第一,第二和第三位置中的任一个中,仅保留第一,第二和第三RFID镶嵌中的一个 活性。
    • 10. 发明授权
    • Multilane vehicle tracking system
    • 摩托车车辆跟踪系统
    • US08471683B2
    • 2013-06-25
    • US12797425
    • 2010-06-09
    • Bruce B. Roesner
    • Bruce B. Roesner
    • H04Q5/22G08B13/14G08G1/01
    • G07B15/063
    • A vehicle tracking system and method of tracking vehicles in multiple traffic lanes is disclosed. One system includes an RFID reader including a plurality of antenna ports. The system also includes a first antenna connected to a first antenna port of the plurality of antenna ports, the first antenna oriented toward a first lane of traffic. The system further includes a second antenna connected to the first antenna port and oriented toward a second lane of traffic. The system also includes a third antenna connected to a second antenna port of the plurality of antenna ports, the third antenna oriented toward the first lane of traffic. In some cases, the RFID reader is configured to detect the existence of a vehicle in a lane based on detection of an RFID device associated with the vehicle at two or more of the plurality of antenna ports.
    • 公开了一种在多个行车道上跟踪车辆的车辆跟踪系统和方法。 一个系统包括RFID读取器,其包括多个天线端口。 该系统还包括连接到多个天线端口中的第一天线端口的第一天线,第一天线朝向第一通信线路。 该系统还包括连接到第一天线端口并朝向第二交通通道的第二天线。 该系统还包括连接到多个天线端口中的第二天线端口的第三天线,第三天线朝向第一通信线路。 在一些情况下,RFID读取器被配置为基于在多个天线端口中的两个或更多个天线端口处的与车辆相关联的RFID设备的检测来检测车道中的车辆的存在。