公开(公告)号：US07372359B2

公开(公告)日：2008-05-13

申请号：US10364760

申请日：2003-02-11

Applicant: Luc Wuidart ,  Michel Bardouillet

Inventor： Luc Wuidart ,  Michel Bardouillet

IPC: H04Q5/22

CPC classification number: G11C17/14 ,  G06K19/067 ,  G06K19/0723

Abstract: An electromagnetic transponder including: a parallel oscillating circuit adapted to extracting a supply signal from a radiated field; in parallel with the oscillating circuit, several branches each including a programmable resistor and a switch; and a cyclic control element for successively turning on the switches, each resistor forming an element for storing a portion of the code stored in the transponder.

Abstract translation: 一种电磁应答器，包括：并行振荡电路，适于从辐射场提取电源信号; 与振荡电路并联，多个分支各自包括可编程电阻器和开关; 以及用于连续接通开关的循环控制元件，每个电阻器形成用于存储存储在应答器中的代码的一部分的元件。

公开(公告)号：US07023391B2

公开(公告)日：2006-04-04

申请号：US09860029

申请日：2001-05-17

Applicant: Luc Wuidart ,  Michel Bardouillet

Inventor： Luc Wuidart ,  Michel Bardouillet

IPC: H01Q9/00

CPC classification number: H01Q1/2216 ,  H01Q1/22 ,  H01Q7/005

Abstract: An antenna for generating an electromagnetic field including several planar inductive cells parallel connected in an array and forming, in association with at least one capacitor, an oscillating circuit adapted to being excited by a high-frequency signal.

公开(公告)号：US20060014573A1

公开(公告)日：2006-01-19

申请号：US11180166

申请日：2005-07-13

Applicant: Luc Wuidart

Inventor： Luc Wuidart

IPC: H04B1/16 ,  H04B1/38

CPC classification number: H02M1/10

Abstract: A power supply circuit and a transponder having a circuit for rectifying an A.C. voltage and two power storage elements, the rectifying circuit providing a rectified voltage to at least one of the storage elements and an output voltage being provided by at least one of the storage elements, and at least one switching element for switching the circuit operation between a state of provision of a relatively high voltage and a state of provision of a relatively low voltage, the second state configuring the rectifying circuit in halfwave operation.

公开(公告)号：US06445144B1

公开(公告)日：2002-09-03

申请号：US09124401

申请日：1998-07-29

Applicant: Luc Wuidart ,  Michel Bardouillet

Inventor： Luc Wuidart ,  Michel Bardouillet

IPC: H05B3700

CPC classification number: H05B39/02

Abstract: The present invention relates to a surge current limiting circuit of a filament lamp, meant to be connected in series between the filament and a switch that supplies an a.c. voltage, including at least one controllable active element, for limiting the current to a predetermined threshold value.

Abstract translation: 本发明涉及一种灯丝灯的浪涌电流限制电路，意在串联连接在灯丝与提供一个交流电源的开关之间。 电压，包括至少一个可控有源元件，用于将电流限制到预定阈值。

公开(公告)号：US09098788B2

公开(公告)日：2015-08-04

申请号：US13615277

申请日：2012-09-13

Applicant: Luc Wuidart

Inventor： Luc Wuidart

IPC: G06F1/08 ,  G06K19/07 ,  G06K7/08 ,  G06K7/00

CPC classification number: G06K19/0723 ,  G06F1/08 ,  G06K7/0008 ,  G06K19/0701 ,  G06K19/0712

Abstract: A method for setting the clock frequency of a processing unit of an electromagnetic transponder, wherein a ratio between data, representative of a voltage across an oscillating circuit of the transponder and obtained for two values of the resistive load, is compared with one to decide whether to increase or decrease the clock frequency of the processing unit.

Abstract translation: 一种用于设置电磁应答器的处理单元的时钟频率的方法，其中表示代表应答器的振荡电路两端的电压之间的比值，并且针对两个电阻负载值获得的数据之间的比率与一个比较以决定是否 以增加或减少处理单元的时钟频率。

公开(公告)号：US08922338B2

公开(公告)日：2014-12-30

申请号：US12815776

申请日：2010-06-15

Applicant: Luc Wuidart

Inventor： Luc Wuidart

IPC: G05B19/00 ,  H04Q1/30 ,  G06K19/07

CPC classification number: G06K19/0723 ,  G06K19/0707 ,  G06K19/0712 ,  G06K19/0715

Abstract: A method of evaluation, by an electromagnetic transponder in the field of a terminal generating a magnetic field, of power that can be extracted from this field, including the steps of: evaluating the current coupling between the transponder and the terminal; and deducing therefrom information relative to the power available in this coupling position.

Abstract translation: 一种通过在产生磁场的终端的领域中的电磁应答器进行评估的能够从该场提取的功率的方法，包括以下步骤：评估应答器与终端之间的当前耦合; 并从其中推导出相对于在该耦合位置中可用的功率的信息。

公开(公告)号：US08745107B2

公开(公告)日：2014-06-03

申请号：US11663571

申请日：2005-09-27

Applicant: Luc Wuidart ,  Fabrice Marinet

Inventor： Luc Wuidart ,  Fabrice Marinet

IPC: G06F3/00 ,  H03K19/00 ,  G06F11/30 ,  G06F12/14

CPC classification number: G06K19/07372 ,  G06F21/75 ,  G06K19/073 ,  G06K19/07363 ,  G06K19/07716 ,  G06Q20/3558 ,  G07F7/1008 ,  H01L27/0203

Abstract: A method for protecting an integrated circuit. According to the method, the start-up of all, or part, of the circuit is determined in the presence of a key which is recorded in a non-volatile manner in the circuit, following the production thereof, and depends on at least one first parameter which is present in a non-volatile manner in the circuit after the production thereof.

Abstract translation: 一种用于保护集成电路的方法。 根据该方法，电路的全部或部分的启动是在存在按照非易失性方式记录在电路中的密钥之后确定的，并且依赖于至少一个 第一参数在其生产之后在电路中以非易失性方式存在。

公开(公告)号：US20140113554A1

公开(公告)日：2014-04-24

申请号：US14123739

申请日：2012-04-18

Applicant: Luc Wuidart

Inventor： Luc Wuidart

IPC: H04B5/00

CPC classification number: H04B5/00 ,  G06K7/0008 ,  G06K7/10128 ,  G06K7/10386

Abstract: A method for assisting with positioning of an electromagnetic transponder by a user with respect to a terminal, wherein: a first value of the current in an oscillating circuit of the terminal is periodically measured; a second value of a ratio between a no-load value of this current, stored when no transponder is in the field of the terminal, and the first value, is calculated; and pieces of information intended for the user are controlled according to said second value.

Abstract translation: 一种用于辅助用户相对于终端定位电磁应答器的方法，其中：周期性地测量所述终端的振荡电路中的电流的第一值; 计算当没有应答器在终端的场中时存储的该电流的空载值与第一值之间的比率的第二值; 并且根据所述第二值来控制用于用户的信息。

公开(公告)号：US08693956B2

公开(公告)日：2014-04-08

申请号：US12815737

申请日：2010-06-15

Applicant: Luc Wuidart

Inventor： Luc Wuidart

IPC: H04B17/00

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

Abstract: A method for evaluating the current coupling factor between an electromagnetic transponder and a terminal, wherein a ratio between data, representative of a voltage across an oscillating circuit of the transponder and obtained for two values of the resistive load, 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，其中代表应答器的振荡电路并且针对两个电阻负载值获得的电压之间的数据之间的比率与一个或多个阈值 。

公开(公告)号：US08676163B2

公开(公告)日：2014-03-18

申请号：US13316252

申请日：2011-12-09

Applicant: Luc Wuidart

Inventor： Luc Wuidart

IPC: H04M1/66 ,  G08B13/14

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。