公开(公告)号：US20080103705A1

公开(公告)日：2008-05-01

申请号：US11558778

申请日：2006-11-10

Applicant: Dirk Hammerschmidt

Inventor： Dirk Hammerschmidt

IPC: G06F19/00

CPC classification number: G08C25/00

Abstract: A method for online testing of a signal path from a sensor cell to an evaluation point, including providing at least two mutually different test signals, changing the sensor cell output signal on the basis of the at least two mutually different test signals in accordance with a predetermined change specification to obtain the sensor signal, so that the sensor signal depends on the sensor cell output signal and the at least two test signals, outputting the sensor signal or a signal derived from the sensor signal onto the signal path, processing the sensor signal or the signal derived from the sensor signal while taking into account the predetermined change specification to obtain a processed signal, and examining the processed signal with regard to the presence of the at least two mutually different test signals to provide a signal path fault indication on the basis thereof.

Abstract translation: 一种用于在线测试从传感器单元到评估点的信号路径的方法，包括提供至少两个相互不同的测试信号，根据所述至少两个相互不同的测试信号，根据所述至少两个相互不同的测试信号改变所述传感器单元输出信号 以获得传感器信号的预定变化规范，使得传感器信号取决于传感器单元输出信号和至少两个测试信号，将传感器信号或从传感器信号导出的信号输出到信号路径上，处理传感器信号 或者从传感器信号导出的信号，同时考虑到预定的变化规范以获得处理的信号，并且关于存在至少两个相互不同的测试信号来检查处理的信号，以在该信号路径故障指示 基础。

公开(公告)号：US20060290545A1

公开(公告)日：2006-12-28

申请号：US11421308

申请日：2006-05-31

Applicant: Wolfgang Granig ,  Dirk Hammerschmidt ,  Juergen Zimmer

Inventor： Wolfgang Granig ,  Dirk Hammerschmidt ,  Juergen Zimmer

IPC: H03M1/06

CPC classification number: H03M1/06 ,  G01D5/2448 ,  H03M1/303

Abstract: In a method of determining residual error compensation parameters for a magnetoresistive angle sensor providing a first measurement signal depending on a rotational angle the step of generating a plurality of value pairs for a plurality of rotational angle values is provided, wherein each value pair has a rotational angle value and an associated measurement signal value. The method further includes ascertaining a sinusoidal fit function the course of which is adapted to the plurality of value pairs. Finally, residual error compensation parameters can be generated from a difference between the ascertained sinusoidal fit function and the associated measurement signal values of the measurement signal for the plurality of rotational angle values.

Abstract translation: 在确定根据旋转角度提供第一测量信号的磁阻角度传感器的残余误差补偿参数的方法中，提供为多个旋转角度值产生多个值对的步骤，其中每个值对具有旋转 角度值和相关的测量信号值。 该方法还包括确定正弦曲线拟合函数，该正弦曲线拟合函数适合多个值对。 最后，可以根据确定的正弦拟合函数和多个旋转角度值的测量信号的相关测量信号值之间的差异来产生残余误差补偿参数。

公开(公告)号：US20060202692A1

公开(公告)日：2006-09-14

申请号：US11360315

申请日：2006-02-23

Applicant: David Tatschl ,  Dirk Hammerschmidt ,  Juergen Zimmer

Inventor： David Tatschl ,  Dirk Hammerschmidt ,  Juergen Zimmer

IPC: G01R33/02

CPC classification number: G01L25/00 ,  G01L25/003 ,  G01R31/2829 ,  G01R31/315 ,  G01R33/09 ,  G01R35/00

Abstract: A magnetic field sensor element includes a permanently magnetizable magnetic field sensor structure with a first and a second sensor element contact, wherein the permanently magnetizable magnetic field sensor structure has permanent magnetization, and wherein a magnetic-field-dependent electrical characteristic of the magnetic field sensor structure can be sensed via the sensor element contacts, and a current conductor structure with a first and a second current conductor contact, wherein the current conductor structure is formed so that a magnetization signal can be applied between the first and the second contact, to obtain a defined magnetization magnetic field component in the magnetic field sensor structure, in order to effect permanent, local magnetization of the magnetic field sensor structure, and so that also a test signal can be applied between the current conductor contacts, to obtain a defined test magnetic field component in the magnetic field sensor structure.

Abstract translation: 磁场传感器元件包括具有第一和第二传感器元件接触件的永久可磁化的磁场传感器结构，其中永久磁化磁场传感器结构具有永久磁化，并且其中磁场传感器的磁场相关电特性 可以经由传感器元件触点感测结构，以及具有第一和第二电流导体接触的电流导体结构，其中形成电流导体结构，使得可以在第一和第二触点之间施加磁化信号，以获得 在磁场传感器结构中定义的磁化磁场分量，以便实现磁场传感器结构的永久的局部磁化，并且也可以在电流导体触点之间施加测试信号，以获得限定的测试磁 磁场传感器结构中的场分量。

公开(公告)号：US20050044945A1

公开(公告)日：2005-03-03

申请号：US10932526

申请日：2004-09-02

Applicant: Dirk Hammerschmidt

Inventor： Dirk Hammerschmidt

IPC: B60C23/04 ,  B60C23/06 ,  G01M17/02

CPC classification number: B60C23/0408

Abstract: An apparatus for detecting a tire deformation of a vehicle tire includes a tire pressure sensor for sensing a tire pressure, a signal processor configured to provide a signal indicating the tire deformation based on a difference between the tire pressure at a first time and the tire pressure at a second time. What is achieved thereby is that a tire deformation may efficiently be sensed.

Abstract translation: 用于检测车辆轮胎的轮胎变形的装置包括：用于感测轮胎压力的轮胎压力传感器;信号处理器，其被配置为基于第一时间的轮胎压力与轮胎压力之间的差异提供表示轮胎变形的信号 在第二时间。 因此，可以有效地感测到轮胎变形。

公开(公告)号：US06824054B2

公开(公告)日：2004-11-30

申请号：US10451009

申请日：2003-10-27

Applicant: Niels Christoffers ,  Juergen Niederholz ,  Dirk Hammerschmidt ,  Gerd Vom Boegel

Inventor： Niels Christoffers ,  Juergen Niederholz ,  Dirk Hammerschmidt ,  Gerd Vom Boegel

IPC: G06K708

CPC classification number: G06K19/07796 ,  G06K7/0008 ,  G06K7/10029 ,  G06K19/0723 ,  G06K19/0726

Abstract: The present invention relates to a transponder reading device for reading out a plurality of inductive passive transponders having a resonant circuit. A transmitter is provided to create an alternating magnetic field having an operating frequency fB, in which the number of transponders may be placed such that same are magnetically coupled to each other. A retuning means is further provided which is arranged in the alternating magnetic field and has such a frequency-dependent impedance that a voltage induced in the resonant circuits of the transponders by the alternating magnetic field has a maximum in the range of the operating frequency fB.

Abstract translation: 本发明涉及一种用于读出具有谐振电路的多个感应无线应答器的应答器读取装置。 提供发射器以产生具有工作频率fB的交变磁场，其中应答器的数量可被放置成使得它们彼此磁耦合。 还提供了一种调整装置，其被布置在交变磁场中并且具有频率相关的阻抗，使得通过交变磁场在应答器的谐振电路中感应的电压在工作频率fB的范围内具有最大值。

公开(公告)号：US06795347B2

公开(公告)日：2004-09-21

申请号：US10407736

申请日：2003-04-04

Applicant: Udo Ausserlechner ,  Dirk Hammerschmidt

Inventor： Udo Ausserlechner ,  Dirk Hammerschmidt

IPC: G11C1604

CPC classification number: G11C16/0441

Abstract: The non-volatile memory cell of a memory circuit includes at least one enhancement pMOS transistor having a floating gate. It further includes an enhancement nMOS transistor having a floating gate insulated from the floating gate of the pMOS transistor. A control input is capacitively coupled to the floating gate of the pMOS transistor and to the floating gate of the nMOS transistor. The pMOS transistor and the nMOS transistor are connected by a connection point, the connection point being connected to an output of the memory cell. The pMOS transistor is additionally connected to a first terminal of the memory cell, while the nMOS transistor is additionally connected to a second terminal of the memory cell. A supply voltage is appliable to the memory cell via the first and second terminals.

Abstract translation: 存储电路的非易失性存储单元包括具有浮置栅极的至少一个增强型pMOS晶体管。 其还包括具有与pMOS晶体管的浮置栅极绝缘的浮置栅极的增强型nMOS晶体管。 控制输入​​电容耦合到pMOS晶体管的浮置栅极和nMOS晶体管的浮置栅极。 pMOS晶体管和nMOS晶体管通过连接点连接，连接点连接到存储单元的输出。 pMOS晶体管另外连接到存储单元的第一端，而nMOS晶体管另外连接到存储单元的第二端。 电源电压经由第一和第二端子适用于存储器单元。

公开(公告)号：US08995690B2

公开(公告)日：2015-03-31

申请号：US13305572

申请日：2011-11-28

Applicant: Dirk Hammerschmidt ,  Michael Kropfitsch ,  Andreas Wiesbauer

Inventor： Dirk Hammerschmidt ,  Michael Kropfitsch ,  Andreas Wiesbauer

IPC: H04R3/00 ,  H04R3/06 ,  H04R19/00 ,  H04R29/00

CPC classification number: H04R3/06 ,  H04R19/005 ,  H04R29/004

Abstract: A microphone and a method for calibrating a microphone are disclosed. In one embodiment the method for calibrating a microphone comprises operating a MEMS device based on a first AC bias voltage, measuring a pull-in voltage, calculating a second AC bias voltage or a DC bias voltage, and operating the MEMS device based the second AC bias voltage or the DC bias voltage.

Abstract translation: 公开了麦克风和用于校准麦克风的方法。 在一个实施例中，用于校准麦克风的方法包括基于第一AC偏置电压操作MEMS器件，测量引入电压，计算第二AC偏置电压或DC偏置电压，以及基于第二AC操作MEMS器件 偏置电压或直流偏置电压。

公开(公告)号：US08849520B2

公开(公告)日：2014-09-30

申请号：US13430015

申请日：2012-03-26

Applicant: Dirk Hammerschmidt

Inventor： Dirk Hammerschmidt

IPC: B60R21/00

CPC classification number: B60W50/0205 ,  B60R21/017 ,  B60W2050/021 ,  B60W2050/0215 ,  H04L25/0278 ,  H04L25/0294

Abstract: Some embodiments of the present disclosure relate to a sensor interface module that selectively varies the resistance of an RLC network based upon one or more properties of exchanges data signals between one or more sensors and a controller (e.g., an ECU). The disclosed sensor interface module has a closed control loop that receives modulated sensor current signals from one or more sensors and that regulates a modulated output voltage that is provided to the one or more sensors. A protocol processor detects one or more properties of the exchanged voltage and current signals. The protocol processor provides the detected properties to an impedance controller, which selectively varies the value of an impedance element within an RLC network, located between the sensor interface module and the one or more sensor, to adjust the one or more properties in a manner that improves performance of the sensor interface module.

Abstract translation: 本公开的一些实施例涉及一种传感器接口模块，其基于一个或多个传感器与控制器（例如，ECU）之间的交换数据信号的一个或多个属性选择性地改变RLC网络的电阻。 所公开的传感器接口模块具有闭合的控制回路，其接收来自一个或多个传感器的调制的传感器电流信号，并调节提供给一个或多个传感器的调制输出电压。 协议处理器检测交换的电压和电流信号的一个或多个属性。 协议处理器将检测到的属性提供给阻抗控制器，阻抗控制器选择性地改变位于传感器接口模块和一个或多个传感器之间的RLC网络内的阻抗元件的值，以便以一种或多于 提高传感器接口模块的性能。

公开(公告)号：US08791693B2

公开(公告)日：2014-07-29

申请号：US13292752

申请日：2011-11-09

Applicant: Udo Ausserlechner ,  Thomas Bever ,  Dirk Hammerschmidt ,  Joachim Weitzel

Inventor： Udo Ausserlechner ,  Thomas Bever ,  Dirk Hammerschmidt ,  Joachim Weitzel

IPC: G01N27/72 ,  G01R33/09

CPC classification number: G01R33/1207 ,  G01R33/1215

Abstract: An apparatus includes a sensor arrangement with a sensor chip. A magnetic field generator is configured to generate a secondary magnetic field opposing an external primary magnetic field at the sensor chip. The magnetic field generator protects the sensor arrangement against the external primary magnetic field.

Abstract translation: 一种装置包括具有传感器芯片的传感器装置。 磁场发生器被配置为产生与传感器芯片处的外部初级磁场相对的次级磁场。 磁场发生器保护传感器装置免受外部主磁场的影响。

公开(公告)号：US08766623B2

公开(公告)日：2014-07-01

申请号：US13086117

申请日：2011-04-13

Applicant: Udo Ausserlechner ,  Dirk Hammerschmidt

Inventor： Udo Ausserlechner ,  Dirk Hammerschmidt

IPC: G01R35/00 ,  G01B7/30 ,  G01R33/02 ,  G01D18/00 ,  G01D5/14 ,  G01R33/09 ,  G01R33/00

CPC classification number: G01D18/008 ,  G01D5/145 ,  G01P3/487 ,  G01P21/02 ,  G01R33/0035 ,  G01R33/09 ,  G01R33/095

Abstract: A magnetic-field sensor and a method of calibrating a magnetic-field sensor are disclosed. In one embodiment the method includes supplying the measurement arrangements with an excitation signal to generate a tappable measuring signal at each measurement tap of the measurement arrangements, detecting the measuring signals, evaluating the detected measuring signals by comparing the detected measuring signals with a comparison value, determining the measurement arrangement with a smallest difference, in terms of magnitude, between the detected measuring signals and the comparison value, and choosing the measurement arrangement with the smallest difference for a measurement operation of the magnetic-field sensor. The magnetic-field sensor includes a plurality of magnetoresistive sensor elements connected to form measurement arrangements each measurement arrangement including a measurement tap, wherein the magnetoresistive sensor elements are laterally distributed on a chip of the magnetic field sensor.

Abstract translation: 公开了磁场传感器和校准磁场传感器的方法。 在一个实施例中，该方法包括向测量装置提供激励信号以在测量装置的每个测量抽头处产生可触发测量信号，检测测量信号，通过将检测到的测量信号与比较值进行比较来评估检测到的测量信号， 以检测到的测量信号与比较值之间的最小差值来确定测量装置，并且对于磁场传感器的测量操作选择具有最小差异的测量装置。 磁场传感器包括多个磁阻传感器元件，其连接成形成测量装置，每个测量装置包括测量分接头，其中磁阻传感器元件横向分布在磁场传感器的芯片上。