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    • 62. 发明申请
    • THREE DIMENSIONAL RF SIGNATURES
    • 三维射频信号
    • US20130088355A1
    • 2013-04-11
    • US13675771
    • 2012-11-13
    • Apple, Inc.
    • Peter Ashwood-SmithDelfin Y. MontunoAbel Dasylva
    • G08B13/24
    • G08B13/2428G01S5/0247G01S13/758G06K7/10079G06K19/07749G06K19/07767G06K2017/0045
    • Method and systems to detect tampering in a physical article are described herein. A method includes receiving, at a first point in time, at least two response signals from at least one RF tag in a set of RF tags associated with the physical article; forming a first response signature for the physical article based on the received response signals; receiving a second response signal from at least one other RF tag in the set of RF tags associated with the physical article at a second point in time; assessing a relative spacing between the RF tags associated with the physical article has changed from the first point in time to the second point in time; and determining tampering of the physical article as a result of the spacing assessment.
    • 本文描述了用于检测物理制品中的篡改的方法和系统。 一种方法包括在第一时间点接收来自与物理物品相关联的一组RF标签中的至少一个RF标签的至少两个响应信号; 基于接收的响应信号形成物理物品的第一响应签名; 在第二时间点从与物理物品相关联的一组RF标签中的至少一个其他RF标签接收第二响应信号; 评估与物理物品相关联的RF标签之间的相对间距从第一时间点到第二时间点已经改变; 并且由于间隔评估来确定物理物品的篡改。
    • 63. 发明授权
    • System and method for monitoring objects, people, animals or places
    • 用于监测物体,人,动物或场所的系统和方法
    • US08395484B2
    • 2013-03-12
    • US12253456
    • 2008-10-17
    • Larry W. Fullerton
    • Larry W. Fullerton
    • H04Q5/22G08B13/14
    • G06K19/0723G06K2017/0045
    • An improved system and method for monitoring objects, people, animals, or places uses a passive Modulating Reflector (MR) tag where a characteristic of an antenna is modified according to a time-varying pattern by a modulating network thereby causing the reflective characteristics of the antenna to vary in accordance with the time-varying pattern. When an interrogator transmits an RF waveform that impinges on the antenna, the return signal reflecting off the antenna is modulated in accordance with the time-varying pattern allowing a remote receiver to demodulate information from the modulated return signal. The antenna is embedded in a dielectric material. The MR tag can be used with a wide variety of tag-interrogator configurations employing monostatic and/or bistatic radar techniques to allow monitoring, locating, and/or tracking of objects, people, animals, or place with which MR tags are associated.
    • 用于监视物体,人,动物或场所的改进的系统和方法使用被动调制反射器(MR)标签,其中天线的特性根据调制网络的时变模式被修改,从而导致天线的反射特性 天线根据时变模式而变化。 当询问器发射入射在天线上的RF波形时,根据时变模式对从天线反射的返回信号进行调制,允许远程接收机从调制的返回信号中解调信息。 天线嵌入电介质材料。 MR标签可以与采用单稳态和/或双基地雷达技术的各种标签 - 询问器配置一起使用,以允许监视,定位和/或跟踪与MR标签相关联的物体,人,动物或场所。
    • 67. 发明申请
    • DEVICES, SYSTEMS AND METHODS FOR PORTABLE DEVICE LOCATION
    • 用于便携式设备位置的设备,系统和方法
    • US20120326930A1
    • 2012-12-27
    • US13607725
    • 2012-09-08
    • William A. O'Hern
    • William A. O'Hern
    • G01S5/04G06K7/01
    • G06Q10/087A61M2205/8237G01S5/0063G06K2017/0045H01M10/425H04W64/00
    • Devices, systems, and methods are disclosed which relate to a network of RFID readers which detect a location of an RFID transmitter coupled to a portable device. The network of RFID readers transmits the location to a user. The RFID transmitter couples to any personal device and broadcasts a unique ID. The nearest RFID reader(s) receive the unique ID and alert a server in communication with the network of RFID readers. The server calculates the distance of the RFID transmitter from each RFID reader receiving the unique ID. The server triangulates the location of the RFID transmitter when three or more RFID readers are receiving the unique ID. The server then securely transmits the location of the RFID transmitter to the user of the portable device. The user receives the transmission through a secure receiver.
    • 公开了与检测耦合到便携式设备的RFID发射器的位置的RFID读取器的网络有关的设备,系统和方法。 RFID读取器的网络将位置传送给用户。 RFID发射器耦合到任何个人设备并广播唯一的ID。 最近的RFID读取器接收唯一的ID,并提醒与RFID读取器网络通信的服务器。 服务器计算RFID发射器从接收唯一ID的每个RFID读取器的距离。 当三个或更多个RFID读取器正在接收唯一的ID时,服务器将RFID发射器的位置三角化。 然后,服务器将RFID发射机的位置安全地传送到便携式设备的用户。 用户通过安全接收器接收传输。
    • 69. 发明授权
    • Locating RFID tags
    • 定位RFID标签
    • US08289129B2
    • 2012-10-16
    • US12335601
    • 2008-12-16
    • Frederic BauchotJean-Yves ClementGerard MarmigereJoaquin Picon
    • Frederic BauchotJean-Yves ClementGerard MarmigereJoaquin Picon
    • G05B23/02
    • G06K7/0008G01S11/02G06K2017/0045
    • A method and RFID tag for locating RFID tags. A passive RFID tag A receives a polling command transmitted from a RFID reader and addressed to another passive RFID tag B. The RFID tag A determines that the polling command is not addressed to the RFID tag A and consequent1y, at time t1, switches the RFID tag A to a catching mode for catching echos from other tags. The RFID tag A receives at time t3>t1 an echo of a message sent by the RFID tag B to the RFID reader. The RFID tag A determines a distance (D.t2t) between the RFID tag A and the RFID tag B based on t3 minus t1. The distance D.t2t does not exceed a specified radius limit and the identification of the RFID tag B and the distance D.t2t are stored in a database within the RFID tag A.
    • 一种用于定位RFID标签的方法和RFID标签。 无源RFID标签A接收从RFID读取器发送并寻址到另一无源RFID标签B的轮询命令。RFID标签A确定轮询命令未被寻址到RFID标签A,并且因此在时间t1切换RFID 将A标记为捕捉模式,以捕捉其他标签的回声。 RFID标签A在时间t3> t1处接收由RFID标签B发送到RFID读取器的消息的回波。 RFID标签A基于t3减去t1来确定RFID标签A和RFID标签B之间的距离(D.t2t)。 距离D.t2t不超过指定的半径限制,RFID标签B的标识和距离D.t2t存储在RFID标签A内的数据库中。
    • 70. 发明授权
    • System and method for floor covering installation
    • 地板安装的系统和方法
    • US08220221B2
    • 2012-07-17
    • US12702509
    • 2010-02-09
    • Keith N. GrayConnie D. HenslerChung-Hsien ZahSusan F. FezerHorace Eddie Bradley, Jr.
    • Keith N. GrayConnie D. HenslerChung-Hsien ZahSusan F. FezerHorace Eddie Bradley, Jr.
    • E04B1/00
    • E04F15/02A47G27/0475A47G27/0481B65H37/005B65H2401/211B65H2701/1922C09J7/22C09J7/29C09J7/38C09J2203/314E04F2201/07G01S1/68G01S5/0027G06K2017/0045Y10T156/109Y10T428/16Y10T428/23993Y10T428/2848
    • Connectors for joining adjacent modular floor covering units. Embodiments of the connectors include a film and an adhesive layer coated on one side of the film. The connectors can have a conductive component that allows electrical continuity to be maintained between adjacent tiles. In yet another embodiment, the connectors can be equipped as radio frequency identification tags by including radio frequency transponders. To install tiles using the connectors, a first tile is placed on the floor and a connector is positioned so that the adhesive layer faces upward and does not contact the floor. The connector is typically positioned so that only a portion of the adhesive layer adheres to the underside of the tile, leaving the remainder of the connector extending from the underside of the tile. One or more tiles are then positioned adjacent the first tile so that a portion of the connector adheres to the adjacent tiles. In this way, the connectors span adjacent tile edges. The tiles are assembled on an underlying flooring surface without the need to attach them to the floor surface. Rather, the tiles are linked to each other with the connectors, so that the tiles create a floor covering that “floats” on the underlying floor surface. Additionally, the tiles need not be installed directly on the floor surface. Rather, an underlayment, such as a film or cushion or cushion composite, may be positioned on the floor surface prior to the installation of tiles.
    • 连接相邻模块化地板覆盖单元的连接器。 连接器的实施例包括膜和涂覆在膜的一侧上的粘合剂层。 连接器可以具有允许在相邻瓦片之间保持电连续性的导电部件。 在另一个实施例中,连接器可以通过包括射频转发器来配备为射频识别标签。 为了使用连接器安装瓦片,将第一瓦片放置在地板上,并且连接器被定位成使得粘合剂层面向上并且不接触地板。 连接器通常被定位成使得只有一部分粘合剂层粘附到瓦片的下侧,使得连接器的其余部分从瓦片的下侧延伸。 然后将一个或多个瓦片定位成与第一瓦片相邻,使得连接器的一部分粘附到相邻的瓦片。 以这种方式,连接器跨越相邻的瓦片边缘。 瓦片组装在下面的地板表面上,而不需要将它们附着在地板表面上。 相反,瓦片通过连接器彼此连接,使得瓦片产生“漂浮”在下面的地板表面上的地板覆盖物。 此外,瓦片不需要直接安装在地板表面上。 相反,在安装瓦片之前,可以将诸如胶片或缓冲垫或衬垫复合材料的底垫放置在地板表面上。