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公开(公告)号：WO2009138687A3
公开(公告)日：2010-02-11
申请号：PCT/FR2009050783
申请日：2009-04-28
Applicant: ST MICROELECTRONICS ROUSSET , WUIDART LUC
Inventor： WUIDART LUC
CPC classification number: G01B7/023 , B60C23/0413 , B60C23/068 , G01B7/24
Abstract: The invention relates to a method for detecting a variation in distance relative to an axis of at least one point of an object rotating around said axis by a terminal (1) in a position that is stationary relative to the axis (41) and capable of emitting a radiofrequency field to at least one resonant circuit (2) attached to the object. Said method includes the steps including measuring and recording, on the terminal side, a maximum value of a quantity representative of the coupling of an oscillating circuit of the terminal and said at least one resonant circuit; and detecting a variation in said periodic maximum.
Abstract translation: 本发明涉及一种用于通过端子（1）在相对于轴线（41）固定的位置中检测相对于围绕所述轴线旋转的物体的至少一个点的距离的变化的方法，并且能够 向连接到对象的至少一个谐振电路（2）发射射频场。 所述方法包括以下步骤：在终端侧测量和记录表示终端的振荡电路与所述至少一个谐振电路的耦合的量的最大值; 以及检测所述周期性最大值的变化。
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公开(公告)号：JP2011010299A
公开(公告)日：2011-01-13
申请号：JP2010141949
申请日：2010-06-22
Inventor： WUIDART LUC
CPC classification number: G05B1/01 , G06K7/10108 , G06K19/0723 , G06K19/07336 , G08B21/0275
Abstract: PROBLEM TO BE SOLVED: To provide a method of authenticating a terminals before a transponder transmits data to the terminal having need for communication.SOLUTION: The method is provided for authenticating the terminal for generating a magnetic field by the transponder including an oscillator for generating a voltage. In the method, at least one value decided by coupling between the transponder and the terminal is compared with at least one reference value, and the terminal is authenticated based on the comparison results. Specifically, the value of voltage generated by the oscillator corresponding to at least one value is measured, and the measured value is compared with the reference value decided by the voltage generated by the oscillator for an optimum coupling coefficient of the coupling between the transponder and the terminal.
Abstract translation: 要解决的问题：提供一种在应答器向需要通信的终端发送数据之前对终端进行认证的方法。解决方案：该方法用于认证终端用于通过应答器产生磁场，该应答器包括用于生成 电压。 在该方法中，通过将应答器和终端之间的耦合决定的至少一个值与至少一个参考值进行比较，并且基于比较结果认证终端。 具体地，测量由振荡器产生的对应于至少一个值的电压的值，并且将测量值与由振荡器产生的电压决定的参考值进行比较，以获得应答器和转换器之间的耦合的最佳耦合系数 终奌站。
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公开(公告)号：JP2011008786A
公开(公告)日：2011-01-13
申请号：JP2010141950
申请日：2010-06-22
Inventor： WUIDART LUC
CPC classification number: G06K7/0008 , G06K19/0723 , G06K19/07336
Abstract: PROBLEM TO BE SOLVED: To provide a method which enables a transponder to authenticate a terminal before transmitting data to the terminal and enables the terminal to authenticate the transponder before transmitting data to the transponder.SOLUTION: In a method of authentication, by a terminal generating a magnetic field, of a transponder located in this field, the terminal transmits to the transponder first data relative to a current in an oscillating circuit of the terminal, which is measured by the terminal for a first value of a resistive load of the transponder, and the transponder calculates second data relative to the current of the oscillating circuit of the terminal for a second value of the resistive load and transmits the calculated second data to the terminal, and the terminal compares the transmitted second data with third data relative to the current of the oscillating circuit of the terminal, which is measured by the terminal for the second value of the resistive load, and the terminal authenticates the transponder on the basis of the comparison result.
Abstract translation: 要解决的问题：提供一种使发送应答器在向终端发送数据之前对终端进行认证的方法，并且使得终端能够在向应答器发送数据之前对转发器进行认证。解决方案：在认证方法中，通过终端生成 位于该场中的应答器的磁场，终端相对于终端的振荡电路中的电流向应答器发送第一数据，该终端由终端测量应答器的电阻性负载的第一值， 并且应答器针对电阻性负载的第二值计算相对于终端的振荡电路的电流的第二数据，并将计算出的第二数据发送到终端，并且终端将发送的第二数据与相对于当前的第三数据进行比较 的端子的振荡电路，由端子测量的电阻负载的第二值，a d终端根据比较结果对转发器进行认证。
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公开(公告)号：JP2011010298A
公开(公告)日：2011-01-13
申请号：JP2010141948
申请日：2010-06-22
Inventor： WUIDART LUC
CPC classification number: G06K19/0723 , G06K19/07336
Abstract: PROBLEM TO BE SOLVED: To provide a method of allowing transponders to authenticate terminals before transmission of data to the terminals, and of allowing the terminals to authenticate transponders before transmission of data to the transponders.SOLUTION: By the method of allowing the transponder including an oscillator for generating a voltage to authenticate the terminal for generating a magnetic field, the transponder receives first data for current of the oscillator of the terminal measured by the terminal for a first value of a resistive load of the transponder, the transponder each measures a voltage generated by the oscillator for the first value of the resistive load and a second value of the resistive load, and the transponder uses second data for the measured voltage and the first received data to authenticate the terminal.
Abstract translation: 要解决的问题：提供一种允许应答器在向终端发送数据之前对终端进行认证的方法，以及允许终端在向应答器发送数据之前对转发器进行认证。解决方案：通过允许应答器包括 振荡器，用于产生电压以认证终端产生磁场，应答器接收终端测量的终端的振荡器的电流的第一数据，用于应答器的电阻负载的第一值，应答器各自测量电压 由振荡器产生的电阻性负载的第一值和电阻性负载的第二值，并且应答器使用第二数据作为测量电压和第一接收数据来认证终端。
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公开(公告)号：JP2011004402A
公开(公告)日：2011-01-06
申请号：JP2010139734
申请日：2010-06-18
Inventor： WUIDART LUC
CPC classification number: G06K19/0723 , G06K19/0707 , G06K19/0712 , G06K19/0715
Abstract: PROBLEM TO BE SOLVED: To provide a method capable of evaluating the capacity of a transponder in order to perform processing according to power extracted from a magnetic field generated by a terminal.SOLUTION: The method for evaluating power enabled to be extracted from the magnetic field of the terminal by the electromagnetic transponder existing in the magnetic field of the terminal generating the magnetic field includes: a step for evaluating a coupling coefficient between the transponder and the terminal; and a step for inferring usable power on a position where the coupling coefficient is evaluated based on the evaluated coupling coefficient.
Abstract translation: 要解决的问题：提供一种能够评估应答器的容量以便根据从终端产生的磁场提取的功率进行处理的方法。解决方案：用于评估从磁场中提取的功率的方法 由存在于产生磁场的端子的磁场中的电磁应答器的端子包括：用于评估应答器和终端之间的耦合系数的步骤; 以及基于所评估的耦合系数推测在耦合系数被评估的位置处的可用功率的步骤。
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Patent Agency Ranking6.发明专利
公开(公告)号：JP2011004401A
公开(公告)日：2011-01-06
申请号：JP2010139733
申请日：2010-06-18
Inventor： WUIDART LUC
CPC classification number: G06K19/0723 , G06K19/0701 , G06K19/0702 , G06K19/0715 , G06K19/0726
Abstract: PROBLEM TO BE SOLVED: To provide a method capable of evaluating a coupling coefficient between a transponder and a terminal in a magnetic field of the terminal, in which the transponder exists.SOLUTION: In the method for evaluating the coupling coefficient between the electromagnetic transponder and the terminal, a ratio of voltages of an oscillation circuit in the transponder obtained as to two values of resistive loads of the transponder is compared with one or more thresholds, and the coupling coefficient is evaluated based on the compared result. Further, a DC voltage applied by a rectifier connected between both ends of the oscillation circuit is measured respectively as to two values of the resistive loads.
Abstract translation: 要解决的问题：提供一种能够评估应答器存在的终端的磁场中的应答器与终端之间的耦合系数的方法。解决方案：在用于评估电磁应答器和 终端将应答器中获得的应答器中的振荡电路的电压与应答器的两个电阻负载的比率与一个或多个阈值进行比较，并且基于比较结果来评估耦合系数。 此外，分别测量连接在振荡电路的两端之间的整流器施加的直流电压与电阻负载的两个值。
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7.发明专利
公开(公告)号：JP2011004400A
公开(公告)日：2011-01-06
申请号：JP2010139732
申请日：2010-06-18
Inventor： WUIDART LUC
CPC classification number: G06K7/10158
Abstract: PROBLEM TO BE SOLVED: To provide a method capable of evaluating a coupling coefficient between a transponder and a terminal in a magnetic field of the terminal, in which the transponder exists.SOLUTION: In the method for evaluating the coupling coefficient between the electromagnetic transponder and the terminal, two pairs of inductance values and capacitance values of an oscillation circuit in the transponder are selected so as to maintain the synchronization of the oscillation circuit, a ratio of voltages of the oscillation circuit which are obtained as to the two pairs of inductance values and capacitance values is compared with one or more thresholds, and the coupling coefficient is evaluated based on the compared result.
Abstract translation: 要解决的问题：提供一种能够评估应答器存在的终端的磁场中的应答器与终端之间的耦合系数的方法。解决方案：在用于评估电磁应答器和 选择端子，应答器中的振荡电路的两对电感值和电容值，以便保持振荡电路的同步，获得两个电感值的振荡电路的电压比 并将电容值与一个或多个阈值进行比较，并根据比较结果评估耦合系数。
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公开(公告)号：JP2009271920A
公开(公告)日：2009-11-19
申请号：JP2009109849
申请日：2009-04-28
Inventor： WUIDART LUC
CPC classification number: H04B5/0068 , G06K19/0701 , G06K19/0715 , G06K19/0723 , H04B5/0037 , Y02D70/00
Abstract: PROBLEM TO BE SOLVED: To provide a terminal capable of recharging an active transponder by an optimal method, and a method for configuring the terminal.
SOLUTION: The method for configuring the terminal capable of transmitting a signal for a radio-frequency electric field for a transponder includes at least one step of adapting the series resistance of an oscillating circuit of the terminal according to an off-load value determined by the operation of the terminal during the absence of the transponder in the electric field, when the transponder exists within a transmission range of the terminal.
COPYRIGHT: (C)2010,JPO&INPITAbstract translation: 要解决的问题：提供一种能够通过最佳方法对活动应答器进行再充电的终端以及用于配置终端的方法。 解决方案：用于配置能够发送用于应答器的射频电场的信号的终端的方法包括至少一个步骤，根据负载值适配终端的振荡电路的串联电阻 在终端的发送范围内存在应答器时，在电场不存在应答器的情况下由终端的动作决定。 版权所有（C）2010，JPO＆INPIT
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公开(公告)号：FR2980608A1
公开(公告)日：2013-03-29
申请号：FR1158667
申请日：2011-09-28
Applicant: ST MICROELECTRONICS ROUSSET
Inventor： WUIDART LUC
Abstract: L'invention concerne un procédé de réglage de la fréquence d'horloge d'une unité de traitement d'un transpondeur électromagnétique, dans lequel un rapport (r) entre des informations, représentatives d'une tension aux bornes d'un circuit oscillant du transpondeur et obtenues pour deux valeurs (R20, R21) de charge résistive, est comparé à l'unité pour décider d'une éventuelle augmentation ou diminution de la fréquence d'horloge de l'unité de traitement
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公开(公告)号：FR2968801B1
公开(公告)日：2013-08-23
申请号：FR1060363
申请日：2010-12-10
Applicant: ST MICROELECTRONICS ROUSSET
Inventor： WUIDART LUC
IPC: G06K19/07 , G06K19/073
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