Electromagnetic transponder with no autonomous power supply
    1.
    发明授权
    Electromagnetic transponder with no autonomous power supply 有权
    无自主电源的电磁转发器

    公开(公告)号:US07573368B2

    公开(公告)日:2009-08-11

    申请号:US11312790

    申请日:2005-12-20

    申请人: Jérôme Conraux

    发明人: Jérôme Conraux

    摘要: An electromagnetic transponder comprising: an oscillating circuit; a first rectifying bridge having its A.C. input terminals connected across the oscillating circuit and having its rectified output terminals connected at least to a voltage regulator in charge of providing a supply voltage; and a second rectifying bridge, of dimension smaller than that of the first bridge, having its two A.C. input terminals connected across the oscillating circuit and having at least one output terminal connected to a demodulator of data sensed by the oscillating circuit.

    摘要翻译: 一种电磁应答器,包括:振荡电路; 第一整流桥,其交错输入端连接在所述振荡电路两端,并且其整流输出端至少连接到负责提供电源电压的电压调节器; 以及尺寸小于第一桥的尺寸的第二整流桥,其两个交流输入端连接在振荡电路两端,并且至少一个输出端连接到由振荡电路感测的数据的解调器。

    Dual-mode smart card
    2.
    发明授权
    Dual-mode smart card 有权
    双模智能卡

    公开(公告)号:US07472834B2

    公开(公告)日:2009-01-06

    申请号:US10886934

    申请日:2004-07-08

    IPC分类号: G06K19/06

    摘要: A dual-mode smart card comprising several pads of physical contact with an external reader and two pads of connection to an antenna for a contactless operation, and comprising a voltage regulator capable of extracting from a radio frequency excitation reaching the antenna, a supply voltage of the chip's processing circuits, this regulator being controllable by a central circuit to be deactivated in the presence of a supply voltage on contacts of the chip.

    摘要翻译: 一种双模智能卡,包括与外部读取器物理接触的多个焊盘和用于非接触操作的两个与天线的连接焊盘,并且包括能够从到达天线的射频激励提取的电压调节器, 芯片的处理电路,该调节器可由中央电路控制,以便在芯片的触点上存在电源电压时被去激活。

    Amplitude demodulator for an electromagnetic transponder
    3.
    发明授权
    Amplitude demodulator for an electromagnetic transponder 有权
    用于电磁转发器的幅度解调器

    公开(公告)号:US07439800B2

    公开(公告)日:2008-10-21

    申请号:US11313246

    申请日:2005-12-20

    申请人: Jérôme Conraux

    发明人: Jérôme Conraux

    IPC分类号: H03D1/10

    CPC分类号: G06K19/0723 H04L27/08

    摘要: An amplitude demodulator comprising a capacitive element for filtering a first D.C. component of a received signal, an element for detecting edges in the signal provided by the capacitive element, and at least one switching element for forcing, at least after detection of an edge, the returning of the signal provided by the capacitive element to a second D.C. component.

    摘要翻译: 一种幅度解调器,包括用于滤波接收信号的第一DC分量的电容元件,用于检测由电容元件提供的信号中的边缘的元件,以及至少一个开关元件,至少在检测到边缘之后, 将由电容元件提供的信号返回到第二DC分量。

    Detection of the presence of a contactless communication element within the range of a terminal
    5.
    发明授权
    Detection of the presence of a contactless communication element within the range of a terminal 有权
    在终端的范围内检测非接触通信元件的存在

    公开(公告)号:US08258970B2

    公开(公告)日:2012-09-04

    申请号:US12508341

    申请日:2009-07-23

    IPC分类号: G08B21/00

    CPC分类号: G06K7/0008 G06K7/10128

    摘要: A method of detection of the presence of a contactless communication element by a terminal emitting an electromagnetic field, in which an oscillating circuit of the terminal is excited at a frequency which is made variable between two values surrounding a nominal tuning frequency of the oscillating circuit; a signal representative of the load of the oscillating circuit being interpreted to detect that a reference voltage has not been exceeded, which indicates the presence of an element in the field. A presence-detection circuit and a corresponding terminal.

    摘要翻译: 通过发射电磁场的端子检测非接触通信元件的存在的方法,其中终端的振荡电路以围绕振荡电路的标称调谐频率的两个值之间变化的频率被激励; 表示振荡电路的负载的信号被解释为检测到没有超过参考电压,其指示在现场中存在元件。 存在检测电路和相应的终端。

    DETECTION OF THE PRESENCE OF A CONTACTLESS COMMUNICATION ELEMENT WITHIN THE RANGE OF A TERMINAL
    6.
    发明申请
    DETECTION OF THE PRESENCE OF A CONTACTLESS COMMUNICATION ELEMENT WITHIN THE RANGE OF A TERMINAL 有权
    在终端范围内检测无连接通信元件的存在

    公开(公告)号:US20100019885A1

    公开(公告)日:2010-01-28

    申请号:US12508341

    申请日:2009-07-23

    IPC分类号: G06K7/10

    CPC分类号: G06K7/0008 G06K7/10128

    摘要: A method of detection of the presence of a contactless communication element by a terminal emitting an electromagnetic field, in which an oscillating circuit of the terminal is excited at a frequency which is made variable between two values surrounding a nominal tuning frequency of the oscillating circuit; a signal representative of the load of the oscillating circuit being interpreted to detect that a reference voltage has not been exceeded, which indicates the presence of an element in the field. A presence-detection circuit and a corresponding terminal.

    摘要翻译: 通过发射电磁场的端子检测非接触通信元件的存在的方法,其中终端的振荡电路以围绕振荡电路的标称调谐频率的两个值之间变化的频率被激励; 表示振荡电路的负载的信号被解释为检测到没有超过参考电压,其指示在现场中存在元件。 存在检测电路和相应的终端。

    Communication between electromagnetic transponders
    7.
    发明授权
    Communication between electromagnetic transponders 有权
    电磁转发器之间的通讯

    公开(公告)号:US07308249B2

    公开(公告)日:2007-12-11

    申请号:US10712325

    申请日:2003-11-12

    IPC分类号: H04M1/66 H04Q5/22 G08B29/00

    CPC分类号: G06K19/0723

    摘要: An electromagnetic transponder intended to draw the power necessary to its operation of from a field radiated by a terminal of transmission of a carrier at a first supply frequency and to back-modulate the received signal at the rate of a sub-carrier at a second frequency lower than the first one, and comprising means capable of demodulating and decoding signals modulated by said sub-carrier, as well as a system of communication between such transponders.

    摘要翻译: 一种电磁转发器,用于从第一电源频率的载波发射终端辐射的场中获取其工作所需的功率,并以第二频率以副载波的速率对接收信号进行后向调制 低于第一个,并且包括能够解调和解码由所述子载波调制的信号的装置以及这种应答器之间的通信系统。