Method for protecting information carrier comprising an integrated circuit
    1.
    发明申请
    Method for protecting information carrier comprising an integrated circuit 审中-公开
    用于保护包括集成电路的信息载体的方法

    公开(公告)号:US20070038871A1

    公开(公告)日:2007-02-15

    申请号:US10576393

    申请日:2004-10-18

    IPC分类号: G06F12/14

    摘要: The invention relates to an information carrier comprising a integrated circuit (1) representing a physical unclonable function. To make the integrated circuit more secure it is proposed that it comprises: an input means (7) for receiving a challenge signal for challenging said integrated circuit (1), a response signal providing means (2) for providing a response data signal in response to said challenge data signal, an output means (8) for outputting said response data signal, and a delay means (3, 5, 9-12) for delaying and/or prohibiting the provision and/or the output of said response data signal.

    摘要翻译: 本发明涉及包括表示物理不可克隆功能的集成电路(1)的信息载体。 为了使集成电路更安全,提出它包括:用于接收用于对所述集成电路(1)进行挑战的挑战信号的输入装置(7),响应信号提供装置(2),用于响应于提供响应数据信号 用于输出所述响应数据信号的输出装置(8)和用于延迟和/或禁止所述响应数据信号的提供和/或输出的延迟装置(3,5,9-12) 。

    Method for Calibrating a Transfer Function of a Magnetic Sensor
    4.
    发明申请
    Method for Calibrating a Transfer Function of a Magnetic Sensor 审中-公开
    校准磁性传感器传递函数的方法

    公开(公告)号:US20080036450A1

    公开(公告)日:2008-02-14

    申请号:US11719954

    申请日:2005-11-28

    IPC分类号: G01R35/00

    摘要: A method for calibrating a transfer function of a magnetic sensor (MS) on a substrate (SBSTR) in which sensor (MS) the presence of magnetizable objects (SPB) can be detected by magnetizing the objects (SPB) by a magnetic field (H) delivered by a magnetic field generator (WR1, WR2) and in which the transfer function is defined as the transfer from an electrical input signal (Iin) for generating the magnet field H, via magnetic stray field (SF) radiated by the objects (SPB) when magnetized, to an electrical output signal (Iout) delivered by the sensor (MS), comprising the steps of: putting sample fluid on the substrate (SBSTR), the sample fluid comprising a large amount of the magnetizable objects (SPB), attracting part of the magnetizable objects (SPB) towards the magnetic sensor (MS), activating the electrical input signal (Iin), thereby generating the magnet field (H), measuring the electrical output signal (Iout) as a response to the electrical input signal (Iin), calculating the transfer function from the electrical input and output signals (Iin, Iout).

    摘要翻译: 用于校准传感器(MS)的磁传感器(MS)的传递函数的方法,其中传感器(MS)可磁化物体(SPB)的存在可以通过磁场(H)磁化物体(SPB)来检测 ),并且其中传递函数被定义为从电输入信号(I< 1> 2> 用于通过被磁化时被物体(SPB)辐射的磁性杂散场(SF)产生磁场H以产生由传感器传送的电输出信号(I OUT)的磁场H(< / SUB) MS),包括以下步骤:将样品流体放置在基底(SBSTR)上,包含大量可磁化物体(SPB)的样品流体朝向磁传感器(MS)吸引一部分可磁化物体(SPB) 激活电输入信号(I in),从而产生磁场(H),测量电输出信号(I OUT),作为 响应于电输入信号(I in),从电输入和输出信号(I SUB)中计算传递函数, 。

    Integrated 1/f noise removal method for a magneto-resistive nano-particle sensor
    5.
    发明申请
    Integrated 1/f noise removal method for a magneto-resistive nano-particle sensor 失效
    用于磁阻纳米颗粒传感器的集成1 / f噪声去除方法

    公开(公告)号:US20060214658A1

    公开(公告)日:2006-09-28

    申请号:US10566664

    申请日:2004-07-16

    IPC分类号: G01R33/02

    摘要: The present invention provides an integrated circuit and a method for noise removal in a magnetic nano-particle sensor device. The method of the present invention comprises the steps of sending a conductor current through a conductor to generate a first horizontal magnetic field component at the location of a magneto-resistive sensor. In a further step the optimal operation point of the magneto-resistive sensor is determined by minimising the noise at the output of the magneto-resistive sensor by means of a noise optimisation circuit. By applying an external magnetic field such that nano-particles in the vicinity of the sensor are vertically magnetised, a second horizontal magnetic field component is generated at the location of the sensor. Then, the conductor current is adjusted such that the first horizontal magnetic field component compensates for the second horizontal magnetic field component. The magnitude of the conductor current necessary for this compensation is a measure for the amount of nano-particles present at the sensor.

    摘要翻译: 本发明提供一种用于磁性纳米颗粒传感器装置中的噪声去除的集成电路和方法。 本发明的方法包括以下步骤:通过导体发送导体电流,以在磁阻传感器的位置产生第一水平磁场分量。 在另一步骤中,通过利用噪声优化电路使磁阻传感器的输出处的噪声最小化来确定磁阻传感器的最佳操作点。 通过施加使传感器附近的纳米颗粒垂直磁化的外部磁场,在传感器的位置产生第二水平磁场分量。 然后,调整导体电流,使得第一水平磁场分量补偿第二水平磁场分量。 该补偿所需的导体电流的大小是传感器中存在的纳米颗粒的量的量度。