公开(公告)号：US20140113692A1

公开(公告)日：2014-04-24

申请号：US14123745

申请日：2012-04-18

申请人： Luc Wuidart

发明人： Luc Wuidart

IPC分类号： H04B1/38

CPC分类号： H04B1/3816 ,  G06K7/10297 ,  G06K19/0701 ,  G06K19/0723 ,  H04B5/0025

摘要： A method for assisting with positioning of an electromagnetic transponder by a user with respect to a terminal, wherein: a current value of a ratio of the current coupling factor between the transponder and the terminal to an optimum coupling factor with a first resistive load value is calculated and stored; the current value is compared with a previous value of this ratio, stored in a previous iteration; and data elements intended for the user are controlled according to the comparison.

摘要翻译： 一种用于辅助用户相对于终端定位电磁转发器的方法，其中：应答器和终端之间的当前耦合因子与具有第一电阻负载值的最佳耦合因子的比率的当前值是 计算和存储; 将当前值与该比率的先前值进行比较，存储在先前的迭代中; 并且根据比较来控制用于用户的数据元素。

公开(公告)号：US08552741B2

公开(公告)日：2013-10-08

申请号：US12989885

申请日：2009-04-28

申请人： Luc Wuidart

发明人： Luc Wuidart

IPC分类号： G01R27/32 ,  G01R31/08

CPC分类号： G01B7/023 ,  B60C23/0413 ,  B60C23/068 ,  G01B7/24

摘要： 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.

摘要翻译： 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：US20130080810A1

公开(公告)日：2013-03-28

申请号：US13615277

申请日：2012-09-13

申请人： Luc Wuidart

发明人： Luc Wuidart

IPC分类号： G06F1/00

CPC分类号： G06K19/0723 ,  G06F1/08 ,  G06K7/0008 ,  G06K19/0701 ,  G06K19/0712

摘要： 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.

摘要翻译： 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：US08395485B2

公开(公告)日：2013-03-12

申请号：US12815681

申请日：2010-06-15

申请人： Luc Wuidart

发明人： Luc Wuidart

IPC分类号： H04Q5/22 ,  G08B13/14 ,  H04B5/00 ,  H04B1/04 ,  H01Q11/12

CPC分类号： G06K7/10158

摘要： 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 pairs of inductive and capacitive values of this oscillating circuit is compared with one or several thresholds, the two pairs of values preserving a tuning of the oscillating circuit to a same frequency.

摘要翻译： 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，其中表示应答器的振荡电路两端的电压之间的数据与为该振荡电路的两对电感和电容值获得的数据之间的比率与一个 或几个阈值，两对值保持振荡电路的调谐到相同的频率。

公开(公告)号：US07606532B2

公开(公告)日：2009-10-20

申请号：US11180166

申请日：2005-07-13

申请人： Luc Wuidart

发明人： Luc Wuidart

IPC分类号： H04B5/00 ,  H04B7/00

CPC分类号： H02M1/10

摘要： 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.

摘要翻译： 一种电源电路和一个具有用于整流交流电压的电路和两个蓄电元件的转发器，所述整流电路向至少一个存储元件提供整流电压，并且由至少一个存储元件提供输出电压 以及用于在提供相对高的电压的状态和提供相对低的电压的状态之间切换电路操作的至少一个开关元件，所述第二状态在半波操作中构成整流电路。

公开(公告)号：US07352606B2

公开(公告)日：2008-04-01

申请号：US10694165

申请日：2003-10-27

申请人： Luc Wuidart

发明人： Luc Wuidart

IPC分类号： G11C11/00

CPC分类号： G01C22/02 ,  G11C17/16

摘要： A monotonous counter formed as an integrated circuit, each counting bit being provided by a memory cell containing at least one memorization element formed of a polysilicon resistor, programmable by irreversible decrease in its value.

摘要翻译： 作为集成电路形成的单调计数器，每个计数位由包含由多晶硅电阻器形成的至少一个存储元件的存储单元提供，其可通过其值的不可逆减小来编程。

公开(公告)号：US07333386B2

公开(公告)日：2008-02-19

申请号：US10364759

申请日：2003-02-11

申请人： Michel Bardouillet ,  Pierre Rizzo ,  Alexandre Malherbe ,  Luc Wuidart

发明人： Michel Bardouillet ,  Pierre Rizzo ,  Alexandre Malherbe ,  Luc Wuidart

IPC分类号： G11C7/24

CPC分类号： H03K3/356008 ,  G11C14/00 ,  G11C17/16 ,  G11C17/18

摘要： An integrated cell for extracting a binary value based on a value difference between two resistors values, including connection circuitry for a binary reading of the sign of the difference between the resistors, and connection circuitry for a modification of the value of one of the resistors to make the sign of the difference invariable.

摘要翻译： 一种用于基于两个电阻值之间的值差提取二进制值的集成单元，包括用于二进制读取电阻之间差异的符号的连接电路，以及用于修改电阻器之一的值的连接电路 使差异的标志不变。

公开(公告)号：US20070174625A1

公开(公告)日：2007-07-26

申请号：US11729111

申请日：2007-03-28

申请人： Luc Wuidart ,  Pierre Balthazar

发明人： Luc Wuidart ,  Pierre Balthazar

IPC分类号： H04L9/00 ,  G06F12/14 ,  H04L9/32 ,  G06F11/30

CPC分类号： G06F21/10 ,  G06F21/445 ,  H04L9/0844 ,  H04L9/3273 ,  H04L2209/608

摘要： A secure method and system of digital data transmission between a sender and a receiver, including a phase of receiver authentication by a symmetrical authentication key sharing algorithm with no transmission of the key, a phase of data watermarking by using the authentication key as the watermarking key, and a phase of transmission of the watermarked data.

公开(公告)号：US07107008B2

公开(公告)日：2006-09-12

申请号：US09853262

申请日：2001-05-11

申请人： Luc Wuidart

发明人： Luc Wuidart

IPC分类号： H04B17/00

CPC分类号： G06K7/0008

摘要： A terminal for generating an electromagnetic field adapted to communicating with at least one transponder, and a method for controlling such a terminal including: an oscillating circuit adapted to being excited by a remote supply signal of the transponder; a phase demodulator for detecting possible data transmitted by the transponder; circuitry for regulating the signal phase in the terminal's oscillating circuit on a reference value; circuitry for measuring variables linked to the current in the oscillating circuit and to the voltage thereacross; and circuitry for comparing current values of these variables with predetermined values, to determine the presence of a transponder.

公开(公告)号：US07046146B2

公开(公告)日：2006-05-16

申请号：US09859732

申请日：2001-05-17

申请人： Luc Wuidart ,  Michel Bardouillet

发明人： Luc Wuidart ,  Michel Bardouillet

IPC分类号： G08B13/14

CPC分类号： G06K7/0008 ,  G06K7/10178 ,  G06K7/10336 ,  G06K19/07767

摘要： A device for generating an electromagnetic field by a first oscillating circuit excited by a high-frequency signal, including, at a distance from the first oscillating circuit, a second passive, unloaded and coreless oscillating circuit, forming an element for concentrating the magnetic flux intended to be intercepted by a transponder by a third oscillating circuit.