RECHARGE OF AN ACTIVE TRANSPONDER
    91.
    发明申请
    RECHARGE OF AN ACTIVE TRANSPONDER 有权
    主动式交通工具的补充

    公开(公告)号:US20090273452A1

    公开(公告)日:2009-11-05

    申请号:US12431465

    申请日:2009-04-28

    Applicant: Luc Wuidart

    Inventor: Luc Wuidart

    Abstract: A method for configuring a terminal capable of emitting a radio-frequency field for a transponder including, in the presence of a transponder within the range of the terminal, at least one step of adaptation of the series resistance of an oscillating circuit of the terminal, according to an off-load value, which depends on an operation of the terminal while no transponder is in its field.

    Abstract translation: 一种用于配置能够发射用于应答器的射频场的终端的方法,包括在所述终端范围内的应答器的存在下,终端的振荡电路的串联电阻的调整的至少一个步骤, 根据卸载值,其取决于终端的操作,而没有应答器在其现场。

    Validation of the presence of an electromagnetic transponder in the field of a phase demodulation reader
    93.
    发明授权
    Validation of the presence of an electromagnetic transponder in the field of a phase demodulation reader 有权
    验证在相位解调读取器领域存在电磁转发器

    公开(公告)号:US07263330B2

    公开(公告)日:2007-08-28

    申请号:US11260870

    申请日:2005-10-27

    Applicant: Luc Wuidart

    Inventor: Luc Wuidart

    CPC classification number: G06K7/0008

    Abstract: 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.

    Abstract translation: 一种用于产生适于与至少一个应答器进行通信的电磁场的终端,以及一种用于控制这种终端的方法,包括:振荡电路,被适配成由应答器的远程供电信号激发; 相位解调器,用于检测应答器发送的可能数据; 电路,用于调节终端振荡电路中的信号相位参考值; 用于测量与振荡电路中的电流相关的变量的电路以及与其相应的电压; 以及用于将这些变量的当前值与预定值进行比较的电路,以确定应答器的存在。

    Secure multimedia data transmission method
    94.
    发明授权
    Secure multimedia data transmission method 有权
    安全多媒体数据传输方式

    公开(公告)号:US07222237B2

    公开(公告)日:2007-05-22

    申请号:US10238839

    申请日:2002-09-10

    Abstract: 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.

    Abstract translation: 一种发送方和接收方之间数字数据传输的安全方法和系统,包括通过不传输密钥的对称认证密钥共享算法的接收机认证阶段,使用认证密钥作为水印密钥的数据水印阶段 ,以及水印数据的传输阶段。

    Three-state memory cell
    97.
    发明申请

    公开(公告)号:US20060126373A1

    公开(公告)日:2006-06-15

    申请号:US11350575

    申请日:2006-02-09

    CPC classification number: G11C17/18 G11C11/5692 G11C17/14

    Abstract: A memory cell with at least two detectable states among which is an unprogrammed state, comprising, in series between two terminals of application of a read voltage, at least one first branch comprising: a pre-read stage comprising, in parallel, two switchable resistors having different values with a first predetermined difference; and a programming stage formed of a polysilicon programming resistor, a terminal of the programming resistor being accessible by a programming circuit capable of causing an irreversible decrease in its value.

    Sizing of an electromagnetic transponder system for an operation in extreme proximity
    98.
    发明授权
    Sizing of an electromagnetic transponder system for an operation in extreme proximity 有权
    用于极端接近的操作的电磁应答器系统的尺寸

    公开(公告)号:US07058357B1

    公开(公告)日:2006-06-06

    申请号:US09615430

    申请日:2000-07-13

    CPC classification number: G06K19/07777 G06K7/10336 G06K19/0723

    Abstract: A system of contactless electromagnetic transmission between a terminal including a series oscillating circuit for generating an electromagnetic field and a transponder including a parallel oscillating circuit, these oscillating circuits being sized so that the coupling coefficient between them strongly decreases when the distance separating the transponder from the terminal becomes greater than a predetermined value.

    Abstract translation: 在包括用于产生电磁场的串联振荡电路和包括并联振荡电路的应答器的端子之间的非接触电磁传输系统中,这些振荡电路的尺寸使得当将应答器与 端子变得大于预定值。

    Sizing of an electromagnetic transponder system for a dedicated distant coupling operation
    99.
    发明授权
    Sizing of an electromagnetic transponder system for a dedicated distant coupling operation 有权
    用于专用远程耦合操作的电磁转发器系统的尺寸

    公开(公告)号:US07049935B1

    公开(公告)日:2006-05-23

    申请号:US09615273

    申请日:2000-07-13

    CPC classification number: G06K19/0723

    Abstract: A system of contactless electromagnetic transmission between a terminal including a series oscillating circuit for generating an electromagnetic field and a transponder including a parallel oscillating circuit, these oscillating circuits being sized so that the coupling coefficient between them rapidly decreases when the distance separating the transponder from the terminal becomes smaller than a predetermined value.

    Abstract translation: 在包括用于产生电磁场的串联振荡电路和包括并联振荡电路的转发器的端子之间的非接触电磁传输系统中,这些振荡电路的尺寸使得当将应答器与 端子变得小于预定值。

    Detection of an electric signature of an electromagnetic transponder
    100.
    发明授权
    Detection of an electric signature of an electromagnetic transponder 有权
    检测电磁转发器的电子签名

    公开(公告)号:US07046121B2

    公开(公告)日:2006-05-16

    申请号:US10343775

    申请日:2001-08-09

    Applicant: Luc Wuidart

    Inventor: Luc Wuidart

    CPC classification number: G06K7/0008

    Abstract: The invention concerns a terminal generating a high-frequency electromagnetic field by means of an oscillating circuit, adapted to co-operate with at least a transponder when the latter enters said field, comprising means (37) for regulating the phase of the signal in the oscillating circuit with respect to a reference value, and means for detecting, on the basis of a current measurement in the oscillating circuit and a voltage measurement at the terminals of a capacitive element (31) of said oscillating circuit, an electric signature of a transponder.

    Abstract translation: 本发明涉及一种通过振荡电路产生高频电磁场的终端,适用于当后者进入所述场时与至少一个应答器进行协作,包括用于调节所述信号的相位的装置(37) 振荡电路相对于参考值的装置,以及用于基于振荡电路中的电流测量和在所述振荡电路的电容元件(31)的端子处的电压测量来检测应答器的电特征的装置 。

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