公开(公告)号：US10830612B2

公开(公告)日：2020-11-10

申请号：US16385215

申请日：2019-04-16

Applicant: MELEXIS TECHNOLOGIES NV

Inventor： Christian Schott ,  Samuel Huber

IPC: G01R33/06 ,  G01D5/14 ,  G01D5/244

Abstract: A system for measuring an angular position of a rotor with respect to a stator, wherein the rotor is rotatable around a rotation axis, the system comprising: a magnetic source mounted on the rotor, having at least four magnet poles and providing a periodically repetitive magnetic field pattern with respect to the rotation axis; a sensor mounted on the stator and comprising a plurality of sensor elements for measuring at least one magnetic field component of the magnetic field and for providing a measurement signal thereof; the sensor being located substantially centered around the rotation axis, in a plane substantially perpendicular to the rotation axis at a first distance from the magnetic source; the sensor elements being located substantially on a circle at a second distance from the rotation axis; a calculator that determines the angular position by calculating it from the measurement signals.

公开(公告)号：US09310224B2

公开(公告)日：2016-04-12

申请号：US14479510

申请日：2014-09-08

Applicant: Melexis Technologies NV

Inventor： Christian Schott

IPC: G01B7/14 ,  G01D5/14 ,  G01R33/07

CPC classification number: G01D5/145 ,  G01R33/07 ,  G01R33/077

Abstract: A magnetic field sensor structure having a number of inner, outer and intermediate electrodes, arranged in a particular manner, such that groups of four electrodes can be used to form horizontal Hall elements, whereby neighboring Hall elements “share” one of the two readout electrodes. Multiple Hall elements may be biased and readout simultaneously. A modulated or unmodulated readout-technique may be used. Integrated magnetic concentrator may be added to the structure. The number of Hall elements may be odd or even. The structure can be used e.g. to measure the magnetic field of a 2-pole, 4-pole or 6-pole ring or disk magnet.

Abstract translation: 一种磁场传感器结构，其具有以特定方式布置的多个内部电极，外部电极和中间电极，使得可以使用四个电极组来形成水平霍尔元件，由此相邻的霍尔元件“共享”两个读出电极之一 。 多个霍尔元件可能被偏置并同时读出。 可以使用调制或未调制的读出技术。 集成磁选机可以添加到结构中。 霍尔元件的数量可能是奇数或偶数。 该结构可以例如使用。 以测量2极，4极或6极环或磁盘磁体的磁场。

公开(公告)号：US20150226581A1

公开(公告)日：2015-08-13

申请号：US14422452

申请日：2013-08-23

Applicant: MELEXIS TECHNOLOGIES NV

Inventor： Christian Schott ,  Samuel Huber

IPC: G01D5/14

CPC classification number: G01D5/145 ,  G01D5/24438

Abstract: An arrangement for measuring an angular position of a rotor with respect to a stator, comprises a multi-pole magnet mounted on the rotor, and a sensor mounted on the stator and a plurality of sensor elements organized in two groups or four groups for measuring a magnetic field component. A method for calculating the angular position comprises making a sum of signals of the elements of each group, a ratio of the two sums, and an arctan function. Alternatively the method may comprise making a sum of signals, the difference of sums, a ratio of the differences, and an arctan function. An integrated sensor, and the use of such arrangement or sensor in an automotive environment.

Abstract translation: 用于测量转子相对于定子的角位置的装置包括安装在转子上的多极磁体和安装在定子上的传感器以及组合成两组或四组的多个传感器元件，用于测量 磁场分量。 用于计算角位置的方法包括：将每组的元素的信号，两个和的比值和一个arctan函数相加。 或者，该方法可以包括使信号总和，和的差，差的比率和arctan函数。 集成传感器，以及在汽车环境中使用这种布置或传感器。

公开(公告)号：US11592318B2

公开(公告)日：2023-02-28

申请号：US17854990

申请日：2022-06-30

Applicant: MELEXIS TECHNOLOGIES NV

Inventor： Christian Schott ,  Samuel Huber

IPC: G01R33/36 ,  G01D5/14 ,  G01D5/244

Abstract: A system for measuring an angular position of a rotor with respect to a stator, wherein the rotor is rotatable around a rotation axis, and the system includes: a magnetic source mounted on the rotor, having at least four magnet poles and providing a periodically repetitive magnetic field pattern with respect to the rotation axis; a sensor mounted on the stator and comprising a plurality of sensor elements for measuring at least one magnetic field component of the magnetic field and for providing a measurement signal thereof; the sensor being located substantially centered around the rotation axis, in a plane substantially perpendicular to the rotation axis at a first distance from the magnetic source; the sensor elements being located substantially on a circle at a second distance from the rotation axis; a calculator that determines the angular position by calculating it from the measurement signals.

公开(公告)号：US09543504B2

公开(公告)日：2017-01-10

申请号：US14918704

申请日：2015-10-21

Applicant: Melexis Technologies NV ,  X-FAB Semiconductor Foundries AG

Inventor： Christian Schott ,  Peter Hofmann

IPC: H01L43/14 ,  G01R33/07 ,  H01L43/06 ,  H01L43/04

CPC classification number: H01L43/065 ,  G01R33/07 ,  G01R33/077 ,  H01L43/04 ,  H01L43/14

Abstract: A semiconductor chip for measuring a magnetic field based on the Hall effect. The semiconductor chip comprises an electrically conductive well having a first conductivity type, in a substrate having a second conductivity type. The semiconductor chip comprises at least four well contacts arranged at the surface of the well, and having the first conductivity type. The semiconductor chip comprises a plurality of buffer regions interleaved with the well contacts and having the first conductivity type. The buffer regions are highly conductive and the buffer region dimensions are such that at least part of the current from a well contact transits through one of its neighboring buffer regions.

Abstract translation: 一种用于基于霍尔效应测量磁场的半导体芯片。 在具有第二导电类型的衬底中，半导体芯片包括具有第一导电类型的导电阱。 半导体芯片包括布置在阱表面的至少四个阱触点，并且具有第一导电类型。 半导体芯片包括与阱触点交错并具有第一导电类型的多个缓冲区。 缓冲区域是高导电性的，并且缓冲区域尺寸使得来自阱接触点的电流的至少一部分经过其相邻缓冲区域之一。

公开(公告)号：US11067643B2

公开(公告)日：2021-07-20

申请号：US15829223

申请日：2017-12-01

Applicant: MELEXIS TECHNOLOGIES NV ,  X-CELEPRINT LIMITED

Inventor： Christian Schott ,  Matthew Meitl ,  Christopher Bower

IPC: G01R33/00 ,  G01R33/07 ,  G01R33/09 ,  H01L23/00 ,  H01L43/04 ,  G01R15/20

Abstract: A multi-element sensor for measuring a magnetic field. The multi-element sensor comprises a magnetic sensing element, and an electronic circuit. The magnetic sensing element is mounted on the electronic circuit and comprises a fractured tether. The magnetic sensing element is electrically connected with the electronic circuit. The electronic circuit is produced in a first technology and/or first material and the magnetic sensing element is produced in a second technology and/or second material different from the first technology/material.

公开(公告)号：US10309801B2

公开(公告)日：2019-06-04

申请号：US14422452

申请日：2013-08-23

Applicant: MELEXIS TECHNOLOGIES NV

Inventor： Christian Schott ,  Samuel Huber

IPC: G01R33/06 ,  G01D5/14 ,  G01D5/244

Abstract: An arrangement for measuring an angular position of a rotor with respect to a stator, comprises a multi-pole magnet mounted on the rotor, and a sensor mounted on the stator and a plurality of sensor elements organized in two groups or four groups for measuring a magnetic field component. A method for calculating the angular position comprises making a sum of signals of the elements of each group, a ratio of the two sums, and an arctan function. Alternatively the method may comprise making a sum of signals, the difference of sums, a ratio of the differences, and an arctan function. An integrated sensor, and the use of such arrangement or sensor in an automotive environment.