CN101243326B - 磁传感器、磁感测系统以及磁感测方法 - Google Patents
磁传感器、磁感测系统以及磁感测方法 Download PDFInfo
- Publication number
- CN101243326B CN101243326B CN200680029889XA CN200680029889A CN101243326B CN 101243326 B CN101243326 B CN 101243326B CN 200680029889X A CN200680029889X A CN 200680029889XA CN 200680029889 A CN200680029889 A CN 200680029889A CN 101243326 B CN101243326 B CN 101243326B
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- Prior art keywords
- magnetoresistance
- integrated circuit
- magnetoresistive
- subassembly
- group
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- Expired - Fee Related
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
- G01R33/038—Measuring direction or magnitude of magnetic fields or magnetic flux using permanent magnets, e.g. balances, torsion devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
- G01D5/142—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices
- G01D5/147—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices influenced by the movement of a third element, the position of Hall device and the source of magnetic field being fixed in respect to each other
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/24—Housings ; Casings for instruments
- G01D11/245—Housings for sensors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
- G01D5/142—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices
- G01D5/145—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices influenced by the relative movement between the Hall device and magnetic fields
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D2205/00—Indexing scheme relating to details of means for transferring or converting the output of a sensing member
- G01D2205/70—Position sensors comprising a moving target with particular shapes, e.g. of soft magnetic targets
- G01D2205/77—Specific profiles
- G01D2205/771—Toothed profiles
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Measuring Magnetic Variables (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
Description
Claims (8)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/157,659 US7425824B2 (en) | 2005-05-20 | 2005-06-20 | Magnetoresistive sensor |
US11/157,659 | 2005-06-20 | ||
PCT/US2006/023952 WO2007002067A2 (en) | 2005-06-20 | 2006-06-20 | Magnetoresistive sensor |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101243326A CN101243326A (zh) | 2008-08-13 |
CN101243326B true CN101243326B (zh) | 2012-05-23 |
Family
ID=37491783
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200680029889XA Expired - Fee Related CN101243326B (zh) | 2005-06-20 | 2006-06-20 | 磁传感器、磁感测系统以及磁感测方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7425824B2 (zh) |
EP (1) | EP1894030B1 (zh) |
KR (1) | KR20080022199A (zh) |
CN (1) | CN101243326B (zh) |
WO (1) | WO2007002067A2 (zh) |
Families Citing this family (78)
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DE102007023815A1 (de) | 2007-05-21 | 2008-11-27 | Sensitec Gmbh | Anordnung zur Abtastung eines linearen oder kreisförmigen Maßstabes aus ferromagnetischem Material |
US8587297B2 (en) | 2007-12-04 | 2013-11-19 | Infineon Technologies Ag | Integrated circuit including sensor having injection molded magnetic material |
US9823090B2 (en) * | 2014-10-31 | 2017-11-21 | Allegro Microsystems, Llc | Magnetic field sensor for sensing a movement of a target object |
US20110187359A1 (en) * | 2008-05-30 | 2011-08-04 | Tobias Werth | Bias field generation for a magneto sensor |
US8174256B2 (en) | 2008-05-30 | 2012-05-08 | Infineon Technologies Ag | Methods and systems for magnetic field sensing |
US8058870B2 (en) * | 2008-05-30 | 2011-11-15 | Infineon Technologies Ag | Methods and systems for magnetic sensing |
US8610430B2 (en) | 2008-05-30 | 2013-12-17 | Infineon Technologies Ag | Bias field generation for a magneto sensor |
US7592803B1 (en) * | 2008-06-23 | 2009-09-22 | Magic Technologies, Inc. | Highly sensitive AMR bridge for gear tooth sensor |
US8203332B2 (en) * | 2008-06-24 | 2012-06-19 | Magic Technologies, Inc. | Gear tooth sensor (GTS) with magnetoresistive bridge |
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WO2012015012A1 (ja) * | 2010-07-30 | 2012-02-02 | 三菱電機株式会社 | 磁気センサ装置 |
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CN102410806B (zh) * | 2011-08-09 | 2013-08-14 | 万向钱潮(上海)汽车系统有限公司 | 磁感应检测abs齿圈节距误差的装置 |
DE102011121298A1 (de) | 2011-12-19 | 2013-06-20 | Micronas Gmbh | Integrierter Magnetfeldsensor und Verfahren für eine Messung der Lage eines ferromagnetischen Werkstückes mit einem integrierten Magnetfeldsensor |
US8629539B2 (en) | 2012-01-16 | 2014-01-14 | Allegro Microsystems, Llc | Methods and apparatus for magnetic sensor having non-conductive die paddle |
US9494660B2 (en) | 2012-03-20 | 2016-11-15 | Allegro Microsystems, Llc | Integrated circuit package having a split lead frame |
US10234513B2 (en) | 2012-03-20 | 2019-03-19 | Allegro Microsystems, Llc | Magnetic field sensor integrated circuit with integral ferromagnetic material |
US9812588B2 (en) | 2012-03-20 | 2017-11-07 | Allegro Microsystems, Llc | Magnetic field sensor integrated circuit with integral ferromagnetic material |
US9666788B2 (en) | 2012-03-20 | 2017-05-30 | Allegro Microsystems, Llc | Integrated circuit package having a split lead frame |
US10215550B2 (en) | 2012-05-01 | 2019-02-26 | Allegro Microsystems, Llc | Methods and apparatus for magnetic sensors having highly uniform magnetic fields |
US9817078B2 (en) | 2012-05-10 | 2017-11-14 | Allegro Microsystems Llc | Methods and apparatus for magnetic sensor having integrated coil |
EP2770303B1 (en) | 2013-02-20 | 2017-04-12 | Nxp B.V. | Magnetic field sensor system with a magnetic wheel rotatable around a wheel axis and with magnetic sensor elements being arranged within a plane perpendicular to the wheel axis |
EP2778625A1 (en) * | 2013-03-13 | 2014-09-17 | Delphi Technologies, Inc. | Method and system to determine positional movement |
US10725100B2 (en) | 2013-03-15 | 2020-07-28 | Allegro Microsystems, Llc | Methods and apparatus for magnetic sensor having an externally accessible coil |
US9411025B2 (en) | 2013-04-26 | 2016-08-09 | Allegro Microsystems, Llc | Integrated circuit package having a split lead frame and a magnet |
US10145908B2 (en) | 2013-07-19 | 2018-12-04 | Allegro Microsystems, Llc | Method and apparatus for magnetic sensor producing a changing magnetic field |
US10495699B2 (en) | 2013-07-19 | 2019-12-03 | Allegro Microsystems, Llc | Methods and apparatus for magnetic sensor having an integrated coil or magnet to detect a non-ferromagnetic target |
US9810519B2 (en) | 2013-07-19 | 2017-11-07 | Allegro Microsystems, Llc | Arrangements for magnetic field sensors that act as tooth detectors |
US9791470B2 (en) * | 2013-12-27 | 2017-10-17 | Intel Corporation | Magnet placement for integrated sensor packages |
CN104749390B (zh) * | 2013-12-31 | 2020-07-03 | 森萨塔科技(常州)有限公司 | 定位框架结构 |
DE102014202182A1 (de) * | 2014-02-06 | 2015-08-06 | Robert Bosch Gmbh | Verfahren zur Herstellung einer Sensoreinheit für ein Fahrzeug und Sensoreinheit für ein Fahrzeug |
US9823092B2 (en) | 2014-10-31 | 2017-11-21 | Allegro Microsystems, Llc | Magnetic field sensor providing a movement detector |
US9720054B2 (en) | 2014-10-31 | 2017-08-01 | Allegro Microsystems, Llc | Magnetic field sensor and electronic circuit that pass amplifier current through a magnetoresistance element |
US10712403B2 (en) | 2014-10-31 | 2020-07-14 | Allegro Microsystems, Llc | Magnetic field sensor and electronic circuit that pass amplifier current through a magnetoresistance element |
US9719806B2 (en) * | 2014-10-31 | 2017-08-01 | Allegro Microsystems, Llc | Magnetic field sensor for sensing a movement of a ferromagnetic target object |
CN104374412B (zh) * | 2014-11-14 | 2017-11-07 | 深圳市富士鸿泰科技有限公司 | 一种用于磁感应齿轮编码器的磁场结构 |
US9851417B2 (en) | 2015-07-28 | 2017-12-26 | Allegro Microsystems, Llc | Structure and system for simultaneous sensing a magnetic field and mechanical stress |
CN108369260B (zh) * | 2015-12-03 | 2020-07-28 | 阿尔卑斯阿尔派株式会社 | 磁检测装置 |
JP6741913B2 (ja) * | 2016-04-27 | 2020-08-19 | パナソニックIpマネジメント株式会社 | 磁気センサこれを用いた回転検出装置 |
US10041810B2 (en) | 2016-06-08 | 2018-08-07 | Allegro Microsystems, Llc | Arrangements for magnetic field sensors that act as movement detectors |
US10260905B2 (en) | 2016-06-08 | 2019-04-16 | Allegro Microsystems, Llc | Arrangements for magnetic field sensors to cancel offset variations |
US10012518B2 (en) | 2016-06-08 | 2018-07-03 | Allegro Microsystems, Llc | Magnetic field sensor for sensing a proximity of an object |
DE102016111984B4 (de) | 2016-06-30 | 2021-12-23 | Infineon Technologies Ag | Magnetsensorbauelemente und Verfahren zum Bestimmen einer Rotationsrichtung einer magnetischen Komponente um eine Rotationsachse |
JP6449819B2 (ja) * | 2016-07-23 | 2019-01-09 | メレキシス テクノロジーズ エス エー | 変位検出装置及び無段変速装置 |
DE102016009166A1 (de) | 2016-07-29 | 2018-02-01 | Tdk-Micronas Gmbh | Messsystem |
CN106291408B (zh) * | 2016-10-11 | 2023-06-09 | 中国计量大学 | 基于磁致伸缩体和驻极体的磁电转换器 |
US10996289B2 (en) | 2017-05-26 | 2021-05-04 | Allegro Microsystems, Llc | Coil actuated position sensor with reflected magnetic field |
US10837943B2 (en) | 2017-05-26 | 2020-11-17 | Allegro Microsystems, Llc | Magnetic field sensor with error calculation |
US10324141B2 (en) | 2017-05-26 | 2019-06-18 | Allegro Microsystems, Llc | Packages for coil actuated position sensors |
US10641842B2 (en) | 2017-05-26 | 2020-05-05 | Allegro Microsystems, Llc | Targets for coil actuated position sensors |
US11428755B2 (en) | 2017-05-26 | 2022-08-30 | Allegro Microsystems, Llc | Coil actuated sensor with sensitivity detection |
US10310028B2 (en) | 2017-05-26 | 2019-06-04 | Allegro Microsystems, Llc | Coil actuated pressure sensor |
US10782154B2 (en) * | 2017-06-26 | 2020-09-22 | Texas Instruments Incorporated | Tilted segmented anisotropic magneto-resistive angular sensor |
DE102017121467A1 (de) | 2017-09-15 | 2019-03-21 | Infineon Technologies Ag | Magnetsensorbauelement und verfahren zum bestimmen einer rotationsgeschwindigkeit, einer rotationsrichtung und/oder eines rotationswinkels einer magnetischen komponente um eine rotationsachse |
US10788517B2 (en) | 2017-11-14 | 2020-09-29 | Analog Devices Global Unlimited Company | Current measuring apparatus and methods |
US10901050B2 (en) | 2017-12-21 | 2021-01-26 | Isentek Inc. | Magnetic field sensing device including magnetoresistor wheatstone bridge |
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US11255700B2 (en) | 2018-08-06 | 2022-02-22 | Allegro Microsystems, Llc | Magnetic field sensor |
US10921391B2 (en) | 2018-08-06 | 2021-02-16 | Allegro Microsystems, Llc | Magnetic field sensor with spacer |
US10823586B2 (en) | 2018-12-26 | 2020-11-03 | Allegro Microsystems, Llc | Magnetic field sensor having unequally spaced magnetic field sensing elements |
US11061084B2 (en) | 2019-03-07 | 2021-07-13 | Allegro Microsystems, Llc | Coil actuated pressure sensor and deflectable substrate |
US10955306B2 (en) | 2019-04-22 | 2021-03-23 | Allegro Microsystems, Llc | Coil actuated pressure sensor and deformable substrate |
US10991644B2 (en) | 2019-08-22 | 2021-04-27 | Allegro Microsystems, Llc | Integrated circuit package having a low profile |
US11237020B2 (en) | 2019-11-14 | 2022-02-01 | Allegro Microsystems, Llc | Magnetic field sensor having two rows of magnetic field sensing elements for measuring an angle of rotation of a magnet |
US11280637B2 (en) | 2019-11-14 | 2022-03-22 | Allegro Microsystems, Llc | High performance magnetic angle sensor |
US11262422B2 (en) | 2020-05-08 | 2022-03-01 | Allegro Microsystems, Llc | Stray-field-immune coil-activated position sensor |
US11737214B2 (en) * | 2020-12-22 | 2023-08-22 | Innolux Corporation | Electronic device |
US11493361B2 (en) | 2021-02-26 | 2022-11-08 | Allegro Microsystems, Llc | Stray field immune coil-activated sensor |
US11578997B1 (en) | 2021-08-24 | 2023-02-14 | Allegro Microsystems, Llc | Angle sensor using eddy currents |
CN115079061A (zh) * | 2022-05-05 | 2022-09-20 | 歌尔微电子股份有限公司 | 微机电系统差分磁传感器、传感器单体及电子设备 |
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2005
- 2005-06-20 US US11/157,659 patent/US7425824B2/en active Active
-
2006
- 2006-06-20 WO PCT/US2006/023952 patent/WO2007002067A2/en active Application Filing
- 2006-06-20 CN CN200680029889XA patent/CN101243326B/zh not_active Expired - Fee Related
- 2006-06-20 EP EP06785172A patent/EP1894030B1/en not_active Ceased
- 2006-06-20 KR KR1020087001336A patent/KR20080022199A/ko not_active Application Discontinuation
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US20040207392A1 (en) * | 2003-04-17 | 2004-10-21 | Dialog Semiconductor Gmbh | Magnetic senor digital processing interface for electrical motor application |
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Also Published As
Publication number | Publication date |
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KR20080022199A (ko) | 2008-03-10 |
EP1894030B1 (en) | 2012-06-13 |
WO2007002067A2 (en) | 2007-01-04 |
WO2007002067A3 (en) | 2007-03-29 |
US7425824B2 (en) | 2008-09-16 |
US20060261801A1 (en) | 2006-11-23 |
CN101243326A (zh) | 2008-08-13 |
EP1894030A2 (en) | 2008-03-05 |
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