FR2476852B1 - Capteur magnetique - Google Patents

Capteur magnetique

Info

Publication number
FR2476852B1
FR2476852B1 FR8103365A FR8103365A FR2476852B1 FR 2476852 B1 FR2476852 B1 FR 2476852B1 FR 8103365 A FR8103365 A FR 8103365A FR 8103365 A FR8103365 A FR 8103365A FR 2476852 B1 FR2476852 B1 FR 2476852B1
Authority
FR
France
Prior art keywords
magnetic sensor
magnetic
sensor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR8103365A
Other languages
English (en)
Other versions
FR2476852A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2111280A external-priority patent/JPS56118613A/ja
Priority claimed from JP2526880A external-priority patent/JPS56122912A/ja
Application filed by Sony Corp filed Critical Sony Corp
Publication of FR2476852A1 publication Critical patent/FR2476852A1/fr
Application granted granted Critical
Publication of FR2476852B1 publication Critical patent/FR2476852B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
    • G01V3/081—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices the magnetic field is produced by the objects or geological structures
    • 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
    • G01R33/06—Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
    • G01R33/09—Magnetoresistive devices

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Electromagnetism (AREA)
  • Geophysics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Measuring Magnetic Variables (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
FR8103365A 1980-02-22 1981-02-20 Capteur magnetique Expired FR2476852B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2111280A JPS56118613A (en) 1980-02-22 1980-02-22 Magnetoelectric transducer
JP2526880A JPS56122912A (en) 1980-03-03 1980-03-03 Magnetoelectric transducing device

Publications (2)

Publication Number Publication Date
FR2476852A1 FR2476852A1 (fr) 1981-08-28
FR2476852B1 true FR2476852B1 (fr) 1985-10-25

Family

ID=26358132

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8103365A Expired FR2476852B1 (fr) 1980-02-22 1981-02-20 Capteur magnetique

Country Status (6)

Country Link
US (1) US4401944A (fr)
CA (1) CA1178660A (fr)
DE (1) DE3106613A1 (fr)
FR (1) FR2476852B1 (fr)
GB (1) GB2071333B (fr)
IT (1) IT1135579B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115406340A (zh) * 2022-08-19 2022-11-29 Oppo广东移动通信有限公司 位移测量机构、壳体组件及电子设备

Families Citing this family (54)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3132549A1 (de) * 1981-08-18 1983-03-03 Robert Bosch Gmbh, 7000 Stuttgart Vorrichtung zur erfassung der drehzahl von rotierenden teilen
JPS5886405A (ja) * 1981-11-18 1983-05-24 Nec Corp 角度検出器
US4616281A (en) * 1982-03-10 1986-10-07 Copal Company Limited Displacement detecting apparatus comprising magnetoresistive elements
US4533872A (en) * 1982-06-14 1985-08-06 Honeywell Inc. Magnetic field sensor element capable of measuring magnetic field components in two directions
US4731579A (en) * 1982-10-12 1988-03-15 Polaroid Corporation Magnetic position indicator and actuator using same
US4658214A (en) * 1982-12-28 1987-04-14 Polaroid Corporation Magnetic position indicator using multiple probes
JPS601514A (ja) * 1983-06-17 1985-01-07 Copal Co Ltd 変位量検出器
JPS6086412A (ja) * 1983-10-19 1985-05-16 Hitachi Ltd 磁気検出装置
FI77932C (fi) * 1984-12-19 1989-05-10 Hannu Purhonen Fjaerrkompass.
GB2188430B (en) * 1986-03-19 1990-01-17 Honda Motor Co Ltd Angle-of-rotation sensor
GB2188159B (en) * 1986-03-19 1990-05-30 Honda Motor Co Ltd Angle-of-rotation sensor
DE3639208A1 (de) * 1986-11-15 1988-05-19 Bosch Gmbh Robert Magnetoresistiver sensor zur abgabe von elektrischen signalen
DE3929452A1 (de) * 1989-09-05 1991-03-07 Asea Brown Boveri Strom-messeinrichtung
JPH04166906A (ja) * 1990-10-31 1992-06-12 Sony Corp レンズ鏡筒の初期位置検出装置
JP2527856B2 (ja) * 1991-06-18 1996-08-28 三菱電機株式会社 磁気センサ
DE4213507C2 (de) * 1992-04-24 1994-06-30 Inst Mikrostrukturtechnologie Vorrichtung zum berührungslosen Messen der axialen Lage eines rotierenden Körpers
JP3189464B2 (ja) * 1993-02-19 2001-07-16 株式会社デンソー 回転位置検出装置
DE59304986D1 (de) * 1993-04-10 1997-02-13 Heidenhain Gmbh Dr Johannes Magnetisches Messsystem
US5644228A (en) * 1993-08-31 1997-07-01 Eastman Kodak Company Permanent magnet assembly with MR and DC compensating bias
US5705924A (en) * 1993-11-09 1998-01-06 Eastman Kodak Company Hall effect sensor for detecting an induced image magnet in a smooth material
JPH09510775A (ja) * 1993-12-22 1997-10-28 アイティーティー・オートモーティブ・ヨーロップ・ゲーエムベーハー 回転あるいは角運動を検出するための装置
US5477143A (en) * 1994-01-11 1995-12-19 Honeywell Inc. Sensor with magnetoresistors disposed on a plane which is parallel to and displaced from the magnetic axis of a permanent magnet
US5561368A (en) * 1994-11-04 1996-10-01 International Business Machines Corporation Bridge circuit magnetic field sensor having spin valve magnetoresistive elements formed on common substrate
JP2655106B2 (ja) * 1994-12-07 1997-09-17 日本電気株式会社 磁気抵抗センサ
US5781365A (en) * 1995-03-07 1998-07-14 Cirrus Logic, Inc. Sliding mode control of a magnetoresistive read head for magnetic recording
US5596272A (en) * 1995-09-21 1997-01-21 Honeywell Inc. Magnetic sensor with a beveled permanent magnet
DE59812241D1 (de) * 1997-09-24 2004-12-16 Infineon Technologies Ag Sensoreinrichtung zur Richtungserfassung eines äu eren Magnetfeldes mittels eines magnetoresistiven Sensorelementes
DE19910636A1 (de) * 1999-03-10 2000-09-14 Inst Mikrostrukturtechnologie Längenmeßsystem, bestehend aus einem oder mehreren magnetischen Maßstäben
JP3609645B2 (ja) * 1999-03-11 2005-01-12 株式会社東海理化電機製作所 回転検出センサ
DE19952812C1 (de) * 1999-11-02 2001-08-16 Hohe Gmbh & Co Kg Außenrückspiegel mit Positionssensor
DE10008537A1 (de) * 2000-02-24 2001-09-06 Bosch Gmbh Robert Messvorrichtung zur berührungslosen Erfassung eines Drehwinkels
JP3855801B2 (ja) * 2001-03-27 2006-12-13 株式会社デンソー 回転検出装置
US6745804B2 (en) * 2001-07-11 2004-06-08 Black & Decker Inc. Portable work bench
US6784659B2 (en) 2001-12-05 2004-08-31 Honeywell International Inc. Magnetoresistive speed and direction sensing method and apparatus
FR2837569B1 (fr) * 2002-03-19 2004-07-16 Electricfil Capteur de position et/ou de vitesse de type magnetique
US6833697B2 (en) * 2002-09-11 2004-12-21 Honeywell International Inc. Saturated magnetoresistive approach for linear position sensing
US6873151B2 (en) 2003-07-08 2005-03-29 Delphi Technologies, Inc. Sensor assembly for sensing angular position
KR101231482B1 (ko) * 2004-08-19 2013-02-07 소니 주식회사 위치 검출 기구가 설치된 렌즈 경통 및 촬상 장치
WO2007010464A2 (fr) * 2005-07-21 2007-01-25 Koninklijke Philips Electronics N.V. Dispositif comprenant un systeme magnetoresistant
JP4573736B2 (ja) * 2005-08-31 2010-11-04 三菱電機株式会社 磁界検出装置
US7468664B2 (en) * 2006-04-20 2008-12-23 Nve Corporation Enclosure tamper detection and protection
US7714570B2 (en) * 2006-06-21 2010-05-11 Allegro Microsystems, Inc. Methods and apparatus for an analog rotational sensor having magnetic sensor elements
WO2008112187A1 (fr) 2007-03-09 2008-09-18 Nve Corporation Dispositifs de détection d'altération magnétorésistifs sous contrainte
US20080238417A1 (en) * 2007-03-29 2008-10-02 Canon Denshi Kabushiki Kaisha Magnetic substance detection sensor and magnetic substance detecting apparatus
US8125216B2 (en) * 2008-01-04 2012-02-28 Allegro Microsystems, Inc. Methods and apparatus for angular position sensing using multiple quadrature signals
US7834617B2 (en) * 2008-01-22 2010-11-16 Ford Global Technologies, Llc Magnetoresistive continuous seat track position sensor
US8564286B2 (en) * 2010-06-28 2013-10-22 Infineon Technologies Ag GMR sensors having reduced AMR effects
US20120229128A1 (en) * 2011-03-10 2012-09-13 Armin Satz Magnetic Field Sensor
US20130084179A1 (en) * 2011-09-30 2013-04-04 Hamilton Sundstrand Corporation Variable vane angular position sensor
EP2808983B1 (fr) * 2013-05-28 2016-09-14 Lakeview Innovation Ltd. Encodeur pour un capteur rotatif compact et moteur électrique doté d'un capteur rotatif compact
JP5721804B2 (ja) * 2013-10-29 2015-05-20 三菱電機株式会社 磁気検出装置、およびこれを搭載した車両用回転検出装置
US9797963B2 (en) * 2014-03-25 2017-10-24 Allegro Microsystems, Llc Systems and methods for a magnetic target with magnetic bias field
CN108953595A (zh) * 2017-05-18 2018-12-07 泰科电子(上海)有限公司 用于感测档位转轴位置的传感***
US20190063951A1 (en) * 2017-08-29 2019-02-28 Littelfuse, Inc. Sensitivity enhanced gear absolute position sensor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS575067B2 (fr) * 1973-07-13 1982-01-28
JPS576962Y2 (fr) * 1974-07-26 1982-02-09
JPS5613244B2 (fr) * 1974-07-31 1981-03-27
CA1126818A (fr) * 1978-03-27 1982-06-29 Hiroyuki Ohkubo Appareil detecteur d'un champ magnetique externe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115406340A (zh) * 2022-08-19 2022-11-29 Oppo广东移动通信有限公司 位移测量机构、壳体组件及电子设备

Also Published As

Publication number Publication date
GB2071333B (en) 1984-02-01
GB2071333A (en) 1981-09-16
DE3106613A1 (de) 1981-12-17
FR2476852A1 (fr) 1981-08-28
US4401944A (en) 1983-08-30
IT1135579B (it) 1986-08-27
IT8119908A0 (it) 1981-02-20
CA1178660A (fr) 1984-11-27

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Legal Events

Date Code Title Description
ST Notification of lapse