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    • 41. 发明申请
    • TRANSMISSION SYSTEM
    • 传输系统
    • WO1991010206A1
    • 1991-07-11
    • PCT/GB1990001990
    • 1990-12-20
    • CRYPTAG LIMITEDREGAN, Bernard, John
    • CRYPTAG LIMITED
    • G06K07/08
    • H04B5/0068G06K7/10316G06K7/10336
    • A signal transmitter comprises two transducers (3, 4) transmitting corresponding signals with a phase shift of preferably 90 DEG between them. Preferably the fields transmitted by the two transducers are substantially orthogonal to each other. The arrangement substantially improves the probability of a transponder tag (5) detecting the transmitted signal. A signal receiver for signals from the transponder tag (5) comprises receiving transducers (6, 6) the outputs of which are combined after one has been subjected to a phase shift of preferably 90 DEG . Preferably the receiving transducers (6, 6) are mounted orthogonal to each other.
    • 一个信号发射机包括两个发射相应信号的换能器(3,4),它们之间的相位优选为90°。 优选地,由两个换能器传输的场基本上彼此正交。 该布置基本上提高了发送应答器标签(5)检测发送信号的概率。 用于来自应答器标签(5)的信号的信号接收器包括接收换能器(6,6),其输出在经过优选90°的相移之后被组合。 优选地,接收换能器(6,6)彼此正交地安装。
    • 43. 发明申请
    • SYSTEM FOR COMMUNICATING BY REMOTE INTERROGATING FOR TRANSMITTING INHIBITING COMMANDS
    • 通过远程干扰传输抑制命令进行通信的系统
    • WO1998029826A1
    • 1998-07-09
    • PCT/FR1997002415
    • 1997-12-24
    • GEMPLUS S.C.A.LEDUC, MichelKALINOWSKI, Richard
    • GEMPLUS S.C.A.
    • G06K07/08
    • G06K7/10059G06K7/0008G06K7/10297H04B7/24
    • The invention concerns a communication system between an interrogating transceiver and a plurality of transponders. This system enables the interrogating device to send to the transponders inhibiting commands without modifying the data contained in their memory. The invention more particularly concerns a communication system between an interrogating transceiver, capable of transmitting an energy field and at least a transponder comprising an integrated circuit including a memory, characterised in that in response to the initialisation, the transponder sends a message (ATR) carrying in particular an information (MOD) characteristic of its inhibiting mode and an information (RR) defining the duration of stand-by intervals (PV) between two messages during which the interrogating device is capable of sending one or several inhibiting commands according to the inscribed mode (MOD).
    • 本发明涉及询问收发器和多个转发器之间的通信系统。 该系统使得询问装置能够发送到应答器,禁止命令而不修改其存储器中包含的数据。 本发明更具体地涉及能够传送能量场的询问收发器与至少包括包括存储器的集成电路的应答器之间的通信系统,其特征在于响应于初始化,应答器发送携带 特别是其禁止模式的信息(MOD)特性和定义两个消息之间的待机间隔(PV)的持续时间的信息(RR),在该消息期间,询问装置能够根据内切的方式发送一个或多个禁止命令 模式(MOD)。
    • 46. 发明申请
    • TAG DETECTION SYSTEM
    • 标签检测系统
    • WO1997001826A1
    • 1997-01-16
    • PCT/GB1996001535
    • 1996-06-26
    • MEDESTATE LTD.MITCHESON, MarkHADDAWAY, Kevin
    • MEDESTATE LTD.
    • G06K07/08
    • G06K7/10039G06K7/0008G07C9/00103G07C9/00111
    • A way of monitoring tags within a monitored volume is disclosed. A plurality of tags each has a store holding a unique identification comprising a first level code and a second level code. Each tag also has a comparator for selectively comparing incoming codes with one of the first level code and the second level code. A tag detector transmits a plurality of codes in sequence to uniquely identify one of the tags. The tag detector transmits a first level code and only transmits a second level code if at least one of the tags with a first level code matching the transmitted first level code has responded. The provision of first and second level codes allows the length of each code to be reduced and still allow a large tag population.
    • 公开了监视卷内监控标签的方式。 多个标签各自具有保存包括第一级代码和第二级代码的唯一标识的存储。 每个标签还具有用于选择性地将输入代码与第一级代码和第二级代码之一进行比较的比较器。 标签检测器依次发送多个代码以唯一地识别其中一个标签。 如果具有与发送的第一级代码匹配的第一级代码的标签中的至少一个已经响应,则标签检测器发送第一级代码,并且仅发送第二级代码。 提供第一级和第二级代码允许减少每个代码的长度,并且仍然允许大的标签群。
    • 49. 发明申请
    • READER SYSTEM FOR WASTE BIN PICKUP VEHICLES
    • 用于垃圾捡拾车的读取系统
    • WO1995029456A1
    • 1995-11-02
    • PCT/US1995004825
    • 1995-04-25
    • INDALA CORPORATION
    • INDALA CORPORATIONGEISZLER, Theodore, D.EBERHARDT, Noel, H.WALKER, Russel, E.RADDING, Herbert, P.
    • G06K07/08
    • G06K7/10178B65F1/1484B65F2003/023B65F2210/124G06K7/10336
    • A reader (32) for radio frequency identification tags (24) having at least one magnetic field transmitting and receiving coil (26) which is oriented in a given plane and which is responsive to a received magnetic exciter field of a first frequency to produce and radiate an identifying magnetic field comprised of a carrier at a second different frequency modulated by an identifying code. The reader comprises a first circuit (37) for producing a radio frequency signal of the first frequency; a first magnetic field coupling arrangement (34, 36, 38) connected to the output of said first circuit (37) for producing a corresponding exciter field at the first frequency to be magnetically coupled to the receiving coil (26) of the tag (24), with the first magnetic field coupling arrangement including a solenoidal exciter coil (34) having at least one wound exciter winding and a longitudinal axis disposed substantially perpendicular to the plane of the tag coil (26); a second magnetic field coupling arrangement (42, 44) for receiving a magnetic field of the second frequency produced by the tag (24) and providing a corresponding electrical signal, with the second magnetic field coupling arrangement including at least one receiver coil (42, 44) disposed adjacent one end of the solenoidal coil (34); and circuitry (46) connected to the receiver coil (42, 44) for decoding the received electrical signal. Preferably the tag (24) is disposed on the lid (22) of a trash or waste bin (14) with the tag coil (26) being substantially horizontal, and the axis of the exciter coil (34), which is disposed substantially vertically. According to the preferred embodiment, the reader (32) is disposed on the end of a robot arm (12) mounted on a trash truck (10) and a switch (58) is additionally provided on the arm to enable counting of the number of bins (14) which has been lifted by the robot arm (12).
    • 一种用于射频识别标签(24)的读取器(32),其具有至少一个磁场发射和接收线圈(26),所述磁场发射和接收线圈(26)定向在给定平面中,并且响应于接收到的第一频率的磁激励器场产生和 以由识别码调制的第二不同频率辐射包括载波的识别磁场。 读取器包括用于产生第一频率的射频信号的第一电路(37) 连接到所述第一电路(37)的输出端的第一磁场耦合装置(34,36,38),用于产生第一频率的对应的激励器磁场,以磁性耦合到标签(24)的接收线圈(26) ),其中所述第一磁场耦合装置包括具有至少一个缠绕的激励器绕组的螺线管励磁线圈(34)和基本上垂直于所述标签线圈(26)的平面设置的纵轴; 用于接收由所述标签(24)产生的第二频率的磁场并提供对应的电信号的第二磁场耦合装置(42,44),所述第二磁场耦合装置包括至少一个接收器线圈(42, 44)设置在所述螺线管线圈(34)的一端附近; 以及连接到接收器线圈(42,44)以用于解码所接收的电信号的电路(46)。 优选地,标签(24)设置在垃圾箱或垃圾箱(14)的盖(22)上,标签线圈(26)基本上是水平的,并且激励器线圈(34)的轴线基本垂直地设置 。 根据优选实施例,读取器(32)设置在安装在垃圾车(10)上的机器人臂(12)的端部上,并且在臂上另外设置开关(58),以使得能够计数 由机器人手臂(12)提升的料仓(14)。