公开(公告)号：US20140113555A1

公开(公告)日：2014-04-24

申请号：US14123755

申请日：2012-04-18

Applicant: Luc Wuidart

Inventor： Luc Wuidart

IPC: H04B5/00

CPC classification number: H04B5/0068 ,  G06K19/0723 ,  G06K19/07309 ,  G06K19/07318 ,  H04L63/0492

Abstract: A method for protecting communication between an electromagnetic transponder and a terminal, wherein the transmission of an acknowledgement for a request received from a terminal by the transponder is only allowed when the transponder is in mechanical contact or in quasi-mechanical contact with the terminal.

Abstract translation: 一种用于保护电磁应答器和终端之间的通信的方法，其中，当应答器机械接触或与终端准机械接触时，仅允许由应答器从终端接收到的请求的发送的传输。

公开(公告)号：US08482388B2

公开(公告)日：2013-07-09

申请号：US12815798

申请日：2010-06-15

Applicant: Luc Wuidart

Inventor： Luc Wuidart

IPC: H04Q5/22 ,  G08B13/14

CPC classification number: G05B1/01 ,  G06K7/10108 ,  G06K19/0723 ,  G06K19/07336 ,  G08B21/0275

Abstract: A method of authentication of a terminal generating a magnetic field by a transponder including an oscillating circuit from which a D.C. voltage is generated, wherein at least one quantity depending on the coupling between the transponder and the terminal is compared with at least one reference value.

Abstract translation: 一种通过包括产生直流电压的振荡电路的转发器产生磁场的终端的认证方法，其中取决于应答器和终端之间的耦合的至少一个数量与至少一个参考值进行比较。

公开(公告)号：US20120149335A1

公开(公告)日：2012-06-14

申请号：US13316252

申请日：2011-12-09

Applicant: Luc Wuidart

Inventor： Luc Wuidart

IPC: H04W12/08 ,  H04B5/00 ,  G06K19/073

CPC classification number: G06K19/07345

Abstract: Transponder comprising a resonant circuit, comprising an antenna and a capacitor, and at least one memory, wherein it 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 electric circuit of the transponder, 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 and in that it comprises an indicator which makes it possible to indicate that the positioning of a portion of human body on the contact zone of the transponder is or has been recognized.

Abstract translation: 包括谐振电路的转发器包括天线和电容器，以及至少一个存储器，其中它包括用于接收人体的一部分的至少一个接触区域，使得接触区域上的人体的一部分的定位改变 该转发器的电路能够从不允许将存储器读取和/或写入第二状态的第一状态切换到第二状态，在该第二状态下，当该谐振电路允许存储器被读取和/或写入时， 应答器由读取器非接触地供电，并且其包括指示器，其使得可以指示人体的一部分在应答器的接触区域上的定位是或已经被识别。

公开(公告)号：US20120092901A1

公开(公告)日：2012-04-19

申请号：US13378625

申请日：2010-06-03

Applicant: Luc Wuidart

Inventor： Luc Wuidart

IPC: H02M3/335

CPC classification number: G06K19/0723 ,  G06K19/0701 ,  G06K19/0702 ,  G06K19/0715 ,  G06K19/0726

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。

公开(公告)号：US20110300800A1

公开(公告)日：2011-12-08

申请号：US13151622

申请日：2011-06-02

Applicant: Luc Wuidart

Inventor： Luc Wuidart

IPC: H04B5/00

CPC classification number: G06K19/0723 ,  G06K19/0701 ,  G06K19/0715

Abstract: A method for evaluating the current coupling factor between an electromagnetic transponder and a terminal, and a transponder implementing this method, wherein a ratio between data representative of a voltage across an oscillating circuit of the transponder and obtained for two capacitance values of the oscillating circuit is compared with one or several thresholds.

Abstract translation: 一种用于评估电磁应答器和终端之间的当前耦合因子的方法以及实现该方法的应答器，其中表示应答器的振荡电路之间的电压并且针对振荡电路的两个电容值获得的电压之间的比率是 与一个或几个阈值相比。

公开(公告)号：US20110095769A1

公开(公告)日：2011-04-28

申请号：US12989885

申请日：2009-04-28

Applicant: Luc Wuidart

Inventor： Luc Wuidart

IPC: G01R27/32

CPC classification number: G01B7/023 ,  B60C23/0413 ,  B60C23/068 ,  G01B7/24

Abstract: A method of detection of a distance variation with respect to an axis of at least one point of an object rotating around this axis by a terminal at a fixed position with respect to the axis and capable of emitting a radiofrequency field for at least one resonant circuit attached to the object. The method includes the steps of measuring and recording, on the terminal side, a maximum value of a quantity representative of the coupling between an oscillating circuit of the terminal and the at least one resonant circuit; and detecting a variation of this periodic maximum.

Abstract translation: 一种方法，用于检测相对于位于相对于所述轴的固定位置处的终端围绕该轴旋转的物体的至少一个点的距离变化的方法，并且能够发射用于至少一个谐振电路的射频场 附在对象上。 该方法包括以下步骤：在终端侧测量和记录表示终端的振荡电路与至少一个谐振电路之间的耦合的量的最大值; 并检测该周期性最大值的变化。

公开(公告)号：US07886163B2

公开(公告)日：2011-02-08

申请号：US10489154

申请日：2002-09-10

Applicant: Luc Wuidart ,  Pierre Balthazar

Inventor： Luc Wuidart ,  Pierre Balthazar

IPC: G06F12/14 ,  H04L9/32 ,  H04L29/06 ,  G06F17/30

CPC classification number: G07F7/1008 ,  G06Q20/341 ,  G06Q20/4097 ,  G07F7/082 ,  H04L9/3247 ,  H04L2209/12

Abstract: The invention relates to a method of supplying a private quantity (s) in an integrated circuit involved in an authentication procedure by means of an external device that takes said private quantity into account. In order to verify the integrity of said memory element, the private quantity is a function of a signature (SIGN) of at least one memory element (4, 10, 11, 12) associated with the integrated circuit.

Abstract translation: 本发明涉及一种通过考虑所述私人数量的外部设备在涉及认证过程的集成电路中提供私人数量的方法。 为了验证所述存储元件的完整性，专用量是与集成电路相关联的至少一个存储元件（4,10,11,12）的签名（SIGN）的函数。

公开(公告)号：US20100328027A1

公开(公告)日：2010-12-30

申请号：US12815824

申请日：2010-06-15

Applicant: Luc Wuidart

Inventor： Luc Wuidart

IPC: G06F7/04

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。

公开(公告)号：US07827413B2

公开(公告)日：2010-11-02

申请号：US10473903

申请日：2002-04-04

Applicant: Pierre-Yvan Liardet ,  Luc Wuidart ,  François Guette

Inventor： Pierre-Yvan Liardet ,  Luc Wuidart ,  François Guette

IPC: G06F21/00 ,  G06F12/14 ,  G06F21/02

CPC classification number: G07F7/127 ,  G06F21/73 ,  G06F21/75 ,  G06Q20/341 ,  G06Q20/4097 ,  G07F7/08 ,  G07F7/082 ,  G07F7/1008 ,  G07F7/12 ,  H01L23/544 ,  H01L23/57 ,  H01L2223/5444 ,  H01L2223/54473 ,  H01L2924/0002 ,  H04L9/0866 ,  H04L9/3278 ,  H01L2924/00

Abstract: A method and a circuit for extracting a secret datum from an integrated circuit taking part in an authentication procedure that uses an external device that takes this secret datum into account, the secret datum being generated on request and made ephemeral.

Abstract translation: 参考使用采用该秘密数据的外部设备的认证过程的集成电路提取秘密数据的方法和电路，秘密数据根据请求生成并且短暂地生成。

公开(公告)号：US07796759B2

公开(公告)日：2010-09-14

申请号：US10268628

申请日：2002-10-10

Applicant: Luc Wuidart ,  Michel Bardouillet ,  Laurent Plaza

Inventor： Luc Wuidart ,  Michel Bardouillet ,  Laurent Plaza

IPC: H04L9/00

CPC classification number: G07F7/1008 ,  G06Q20/341 ,  G06Q20/40975 ,  H01L23/544 ,  H01L23/57 ,  H01L2223/54473 ,  H01L2924/0002 ,  H04L9/0866 ,  H04L9/3278 ,  H01L2924/00

Abstract: A method and a circuit of generation of several secret quantities by an integrated circuit according to the destination of these secret quantities, including taking into account a first digital word forming a single identifier of the integrated circuit chip and coming from a physical parameter network, and of individualizing this identifier according to the application.

Abstract translation: 包括考虑到形成集成电路芯片的单个标识符并来自物理参数网络的第一数字字，根据这些秘密量的目的地由集成电路产生几个秘密量的方法和电路，以及 根据应用来个性化该标识符。