Adaptation of the transmission power of an electromagnetic transponder reader
    31.
    发明授权
    Adaptation of the transmission power of an electromagnetic transponder reader 有权
    适应电磁转发器阅读器的传输功率

    公开(公告)号:US06960985B2

    公开(公告)日:2005-11-01

    申请号:US09770783

    申请日:2001-01-26

    Applicant: Luc Wuidart

    Inventor: Luc Wuidart

    CPC classification number: G06K7/10217 G06K7/0008

    Abstract: A terminal for generating an electromagnetic field adapted to cooperating with at least one transponder when the latter enters its field and including an oscillating circuit adapted to receiving a high-frequency A.C. excitation voltage, circuitry for regulating the signal phase in the oscillating circuit with respect to a reference value, circuitry for determining an instantaneous information relative to the magnetic coupling between the transponder and the terminal, and circuitry for adapting the electromagnetic field power according to at least said present information.

    Abstract translation: 一种用于产生电磁场的终端,其适于在后者进入其场期间与至少一个应答器协作并且包括适于接收高频AC激励电压的振荡电路,用于调节振荡电路中的信号相位相对于 参考值,用于确定相对于应答器和终端之间的磁耦合的瞬时信息的电路,以及根据至少所述当前信息调整电磁场功率的电路。

    Evaluation of the number of electromagnetic transponders in the field of a reader
    32.
    发明授权
    Evaluation of the number of electromagnetic transponders in the field of a reader 有权
    读者领域电磁转发器数量的评估

    公开(公告)号:US06879246B2

    公开(公告)日:2005-04-12

    申请号:US09853890

    申请日:2001-05-11

    Applicant: Luc Wuidart

    Inventor: Luc Wuidart

    CPC classification number: G06K7/10019 G06K7/0008

    Abstract: A terminal for generating a high-frequency electromagnetic field by an oscillating circuit, adapted to cooperating with at least one transponder when the transponder enters this field, and a method for establishing a communication between the devices, including circuitry for regulating the signal phase in the oscillating circuit with respect to a reference value and circuitry for evaluating, based on a measurement of the current in the oscillating circuit, the minimum number of transponders present in the field.

    Abstract translation: 一种用于通过振荡电路产生高频电磁场的终端,适用于当应答器进入该场时与至少一个应答器协同工作,以及用于建立设备之间的通信的方法,包括用于调节信号相位的电路 振荡电路相对于参考值和电路,用于基于振荡电路中的电流的测量来评估现场中存在的最小转发器数量。

    Fluorescent lamp control circuit
    33.
    发明授权
    Fluorescent lamp control circuit 有权
    荧光灯控制电路

    公开(公告)号:US06222325B1

    公开(公告)日:2001-04-24

    申请号:US09193386

    申请日:1998-11-17

    CPC classification number: H02M5/293 H05B41/18 H05B41/3924 Y10S315/05

    Abstract: The present invention relates to a circuit for controlling a fluorescent lamp, including circuitry that provides a low frequency alternating current to the fluorescent lamp, this circuitry being controlled by a controllable switched-mode current source operating at high frequency.

    Abstract translation: 本发明涉及一种用于控制荧光灯的电路,包括向荧光灯提供低频交流电的电路,该电路由在高频率下操作的可控开关模式电流源控制。

    High and low d.c. voltage power supply
    34.
    发明授权
    High and low d.c. voltage power supply 失效
    高低矮 电压电源

    公开(公告)号:US6046916A

    公开(公告)日:2000-04-04

    申请号:US901018

    申请日:1997-07-25

    CPC classification number: H02M3/33561 H02M7/06 H02M2001/009

    Abstract: A device for providing a high d.c. voltage supply and a low d.c. voltage supply. The device includes, in parallel, a first diode connected in series with a capacitor, a rectifier having a polarity opposite to that of the first diode, and a breakover voltage limiter. The terminals of the low d.c. voltage source correspond to the terminals of the capacitor.

    Abstract translation: 用于提供高直流电压的装置 电压供应和低直流 电压供应 该装置并联地包括与电容器串联连接的第一二极管,具有与第一二极管的极性相反极性的整流器,以及断流限压器。 低电压端子。 电压源对应于电容器的端子。

    Power management in an electromagnetic transponder
    35.
    发明授权
    Power management in an electromagnetic transponder 有权
    电磁转发器中的电源管理

    公开(公告)号:US09508033B2

    公开(公告)日:2016-11-29

    申请号:US13378625

    申请日:2010-06-03

    Applicant: Luc Wuidart

    Inventor: Luc Wuidart

    Abstract: A method for managing the power in an electromagnetic transponder in the field of a terminal, including the steps of: evaluating the power consumption of the transponder circuits; and if this power consumption is below a threshold, evaluating the current coupling factor between the transponder and the terminal and, according to the current coupling: causing an increase of the transponder power consumption or causing a detuning of an oscillating circuit of the transponder.

    Abstract translation: 一种用于管理终端领域的电磁应答器中的功率的方法,包括以下步骤:评估应答器电路的功耗; 并且如果该功耗低于阈值,则评估应答器和终端之间的当前耦合因子,并且根据当前耦合:导致应答器功率消耗的增加或导致应答器的振荡电路的失谐。

    Power recovery by an electromagnetic transponder
    37.
    发明授权
    Power recovery by an electromagnetic transponder 有权
    电磁转发器的电源恢复

    公开(公告)号:US08988196B2

    公开(公告)日:2015-03-24

    申请号:US13378614

    申请日:2010-06-03

    Applicant: Luc Wuidart

    Inventor: Luc Wuidart

    Abstract: A method of power recovery by an electromagnetic transponder in the field of a terminal, wherein: a ratio of the current coupling factor of the transponder with the terminal to an optimum coupling position with a resistive load value is evaluated; and a detuning of the oscillating circuit is caused if the ratio is greater than a first threshold greater than or equal to one.

    Abstract translation: 一种通过终端领域的电磁应答器进行功率恢复的方法,其中:评估应答器与终端的当前耦合系数与具有电阻负载值的最佳耦合位置的比率; 并且如果该比率大于大于或等于1的第一阈值,则会引起振荡电路的失谐。

    Authentication of an electromagnetic terminal-transponder couple by the terminal
    38.
    发明授权
    Authentication of an electromagnetic terminal-transponder couple by the terminal 有权
    通过终端认证电磁终端 - 应答器对

    公开(公告)号:US08907761B2

    公开(公告)日:2014-12-09

    申请号:US12815824

    申请日:2010-06-15

    Applicant: Luc Wuidart

    Inventor: Luc Wuidart

    CPC classification number: G06K7/0008 G06K19/0723 G06K19/07336

    Abstract: A method of authentication, by a terminal generating a magnetic field, of a transponder located in this field, wherein: first data, relative to the current in an oscillating circuit of the terminal, measured by the terminal for a first value of the resistive load of the transponder, are transmitted to the transponder; second corresponding data are evaluated by the transponder for a second value of the resistive load and are transmitted to the terminal; and said second data are compared with third corresponding data, measured by the terminal for the second value of the resistive load.

    Abstract translation: 一种通过产生磁场的终端产生位于该领域的应答器的认证方法,其中:相对于终端的振荡电路中的电流的第一数据,由终端测量电阻负载的第一值 的应答器被发送到应答器; 第二对应数据由应答器对电阻性负载的第二值进行评估,并发送到终端; 并将所述第二数据与第三对应数据进行比较,由终端测量电阻负载的第二值。

    Contactless communication with authorization by human contact
    39.
    发明授权
    Contactless communication with authorization by human contact 有权
    通过人工接触授权进行非接触式通信

    公开(公告)号:US08718552B2

    公开(公告)日:2014-05-06

    申请号:US13316242

    申请日:2011-12-09

    Applicant: Luc Wuidart

    Inventor: Luc Wuidart

    CPC classification number: G06K19/07345 G06K19/0716

    Abstract: A transponder comprising a resonant circuit, comprising an antenna and a capacitor, and at least one memory connected to the resonant circuit via an intermediate circuit, characterized in that the intermediate circuit comprises at least one contact zone for receiving a portion of human body, so that the positioning of a portion of human body on a contact zone modifies the intermediate circuit, capable of switching from a first state in which it does not allow the memory to be read and/or written to a second state in which it allows the memory to be read and/or written when the resonant circuit of the transponder is contactlessly powered by a reader.

    Abstract translation: 一种包括谐振电路的转发器,包括天线和电容器,以及经由中间电路连接到谐振电路的至少一个存储器,其特征在于,所述中间电路包括用于接收人体部分的至少一个接触区域,因此 人体在接触区域上的一部分的定位改变了中间电路,能够从不允许将存储器读取和/或写入到允许存储器的第二状态的第一状态切换 当应答器的谐振电路由读取器非接触式供电时,被读取和/或写入。

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