公开(公告)号：US20140015642A1

公开(公告)日：2014-01-16

申请号：US13549615

申请日：2012-07-16

申请人： Christopher J. White

发明人： Christopher J. White

IPC分类号： G06K7/01

CPC分类号： G06K17/0029 ,  G06K7/10168 ,  G06K7/10178 ,  G06K7/10188 ,  G06K7/10475

摘要： An RFID reader communicates with an RFID tag of a masked container in a container group. A power-supply antenna and a link antenna of the RFID reader are spaced apart from the container group, the antennas oriented to transmit signals to a power-supply subset and a data subset, respectively, of the plurality of containers. The RFID reader transmits a power-supply RF signal via the power-supply antenna to the power-supply subset and, while doing so, transmits a data RF signal via the link antenna to the data subset. The containers relay power-supply RF energy in a downstream power-supply direction and relay the data RF signal in upstream and downstream data directions different from the power-supply direction. The data RF signal is relayed by a repeater, which is powered by relayed power-supply RF energy, on each container. The RFID tag responds to the relayed data signal.

摘要翻译： RFID读取器与容器组中的被掩蔽的容器的RFID标签通信。 RFID读取器的电源天线和链路天线与容器组间隔开，所述天线被定向为分别向多个容器的电源子集和数据子集发送信号。 RFID读取器经由电源天线将电源RF信号发送到电源子集，并且在这样做的同时，经由链路天线将数据RF信号发送到数据子集。 容器在下游供电方向上继电供电RF能量，并且在不同于电源方向的上游和下游数据方向上中继数据RF信号。 数据RF信号由在每个容器上由中继电源RF能量供电的中继器中继。 RFID标签响应中继数据信号。

公开(公告)号：US20120126945A1

公开(公告)日：2012-05-24

申请号：US12949033

申请日：2010-11-18

申请人： Moon J. Kim ,  Bonwoong Koo

发明人： Moon J. Kim ,  Bonwoong Koo

IPC分类号： G06K7/01

CPC分类号： G06K7/10188 ,  G06K7/10237

摘要： Embodiments of the present invention provide a strong passive ad-hoc radio-frequency identification (RFID) network (the “network). The network typically includes an RFID receiver and N quantity of RFID tags coupled to one another. For example, a network under the present invention can include an RFID reader; a first RFID tag in communication with the RFID reader; and a second RFID tag in communication with the first RFID tag. The first RFID tag and the second RFID tag will have passive capacitance to allow them to store energy and data. In this example, the first RFID tag can be enabled to behave as an RFID reader. Moreover, the first RFID tag is positioned within a first field generated by the RFID reader, while the second RFID tag being in a second field generated by the first RFID tag, the second field generated using the energy stored in the first RFID tag. This type of tag to tag coupling/communication arrangement can continue for a number of tags. Not only does this allow for communication around physical obstacles, but it allows any RFID tag to be configured to perform a synchronized reader operation with the RFID reader.

摘要翻译： 本发明的实施例提供了一种强大的无源自组织射频识别（RFID）网络（“网络”）。 网络通常包括RFID接收器和N个彼此耦合的RFID标签。 例如，根据本发明的网络可以包括RFID读取器; 与RFID读取器通信的第一RFID标签; 以及与第一RFID标签通信的第二RFID标签。 第一个RFID标签和第二个RFID标签将具有无源电容，使其能够存储能量和数据。 在该示例中，可以使第一RFID标签作为RFID阅读器。 此外，第一RFID标签位于由RFID读取器产生的第一场中，而第二RFID标签位于由第一RFID标签产生的第二场中，使用存储在第一RFID标签中的能量产生的第二场。 用于标记耦合/通信布置的这种类型的标签可以持续许多标签。 这不仅允许围绕物理障碍物进行通信，而且允许任何RFID标签被配置为与RFID读取器执行同步的读取器操作。

公开(公告)号：US20090146792A1

公开(公告)日：2009-06-11

申请号：US12054331

申请日：2008-03-24

申请人： Ramin Sadr ,  John Gevargiz ,  Robert Lee ,  Majid Manteghi ,  Gordon Oliver ,  Mike Collender ,  Christopher Jones ,  Hasan Syed

发明人： Ramin Sadr ,  John Gevargiz ,  Robert Lee ,  Majid Manteghi ,  Gordon Oliver ,  Mike Collender ,  Christopher Jones ,  Hasan Syed

IPC分类号： H04Q5/22

CPC分类号： G06K7/10158 ,  G06K7/01 ,  G06K7/10188 ,  G06K7/10475 ,  G06Q10/087

摘要： RFID systems are disclosed that include at least one RFID receiver system and a distributed exciter architecture. The exciters can be connected via wired and/or wireless connections to the RFID receiver system and the RFID receiver system can control the activation of the exciters to detect the presence of RFID tags within interrogation spaces defined by the exciter topology. In several embodiments, the RFID receiver system performs location estimation to determine the interrogation space in which a specific RFID tag or collection of RFID tags is located. One embodiment of the invention includes an RFID receiver system configured to detect information from RFID tags within a receive coverage area, and a plurality of exciters defining a plurality of interrogation spaces within the receive coverage area of the RFID receiver system. In addition, the RFID receiver system is configured to transmit a control signal that identifies one of the plurality of exciters and includes information indicative of an RFID tag interrogation signal, the plurality of exciters are configured to receive the control signal, and the exciter identified in the control signal is configured to illuminate an interrogation space with the RFID tag interrogation signal.

摘要翻译： 公开了包括至少一个RFID接收器系统和分布式激励器架构的RFID系统。 激励器可以通过有线和/或无线连接连接到RFID接收器系统，并且RFID接收器系统可以控制激励器的激活以检测由激励器拓扑定义的询问空间内的RFID标签的存在。 在几个实施例中，RFID接收器系统执行位置估计以确定特定RFID标签或RFID标签集合所在的询问空间。 本发明的一个实施例包括被配置为从接收覆盖区域内的RFID标签检测信息的RFID接收机系统，以及在RFID接收机系统的接收覆盖区域内限定多个询问空间的多个激励器。 此外，RFID接收器系统被配置为发送识别多个激励器中的一个的控制信号，并且包括指示RFID标签询问信号的信息，所述多个激励器被配置为接收控制信号，并且激励器被识别为 控制信号被配置为利用RFID标签询问信号照亮询问空间。