IT1135579B - Dispositivo sensore magnetico - Google Patents

Dispositivo sensore magnetico

Info

Publication number
IT1135579B
IT1135579B IT19908/81A IT1990881A IT1135579B IT 1135579 B IT1135579 B IT 1135579B IT 19908/81 A IT19908/81 A IT 19908/81A IT 1990881 A IT1990881 A IT 1990881A IT 1135579 B IT1135579 B IT 1135579B
Authority
IT
Italy
Prior art keywords
sensor device
magnetic sensor
magnetic
sensor
Prior art date
Application number
IT19908/81A
Other languages
English (en)
Other versions
IT8119908A0 (it
Inventor
Narimatsu Akihisa
Ohkubo Hiroyuki
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 IT8119908A0 publication Critical patent/IT8119908A0/it
Application granted granted Critical
Publication of IT1135579B publication Critical patent/IT1135579B/it

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)
IT19908/81A 1980-02-22 1981-02-20 Dispositivo sensore magnetico IT1135579B (it)

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
IT8119908A0 IT8119908A0 (it) 1981-02-20
IT1135579B true IT1135579B (it) 1986-08-27

Family

ID=26358132

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19908/81A IT1135579B (it) 1980-02-22 1981-02-20 Dispositivo sensore magnetico

Country Status (6)

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

Families Citing this family (56)

* 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
ATE147158T1 (de) * 1993-04-10 1997-01-15 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
DE4445120A1 (de) * 1993-12-22 1995-06-29 Teves Gmbh Alfred Vorrichtung zur Erfassung von Dreh- oder Winkelbewegungen
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
WO2006019094A1 (ja) * 2004-08-19 2006-02-23 Sony Corporation レンズ位置検出装置、レンズ鏡筒および撮像装置
US20080211494A1 (en) * 2005-07-21 2008-09-04 Koninklijke Philips Electronics, N.V. Device Comprising Magneto Resistive System
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
EP2135254B1 (en) 2007-03-09 2016-05-25 NVE Corporation Stressed magnetoresistive tamper detection devices
US20080238417A1 (en) * 2007-03-29 2008-10-02 Canon Denshi Kabushiki Kaisha Magnetic substance detection sensor and magnetic substance detecting apparatus
CN101918796B (zh) * 2008-01-04 2012-09-05 阿莱戈微系统公司 用于角度传感器的方法和装置
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 (de) * 2013-05-28 2016-09-14 Lakeview Innovation Ltd. Encoder für einen kompakten Drehgeber und Elektromotor mit einem kompakten Drehgeber
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系统
US20190063951A1 (en) * 2017-08-29 2019-02-28 Littelfuse, Inc. Sensitivity enhanced gear absolute position sensor
DE102020134004A1 (de) 2020-12-17 2022-06-23 Infineon Technologies Ag Vorrichtungen und verfahren zur positionsdetektion
CN115406340B (zh) * 2022-08-19 2024-07-12 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

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS575067B2 (it) * 1973-07-13 1982-01-28
JPS576962Y2 (it) * 1974-07-26 1982-02-09
JPS5613244B2 (it) * 1974-07-31 1981-03-27
US4296377A (en) * 1978-03-27 1981-10-20 Sony Corporation Magnetic signal field sensor that is substantially immune to angular displacement relative to the signal field

Also Published As

Publication number Publication date
US4401944A (en) 1983-08-30
GB2071333B (en) 1984-02-01
IT8119908A0 (it) 1981-02-20
CA1178660A (en) 1984-11-27
FR2476852B1 (fr) 1985-10-25
DE3106613A1 (de) 1981-12-17
FR2476852A1 (fr) 1981-08-28
GB2071333A (en) 1981-09-16

Similar Documents

Publication Publication Date Title
IT1135579B (it) Dispositivo sensore magnetico
IT1130374B (it) Dispositivo sensore magnetico
SE8004926L (sv) Sensor
IT1211140B (it) Dispositivo commutatore a sensore magnetico.
DK159008C (da) Skarifikationsapparat
BR8102396A (pt) Dispositivo percutaneo
DK466981A (da) Sonarafstandsfoeleapparat
AR229862A1 (es) Dispositivo eseritor
DE3382332D1 (de) Magnetischer stellenmesswertgeber.
DK150966C (da) Emulgeringsanordning
IT1137913B (it) Sensore di brina
DK514183A (da) Positionsdetektor
AR226089A1 (es) Perfeccionamientos en captadores de proximidad
IT7967214A0 (it) Gruppo sensore magnetico
IT1160769B (it) Sensore ottico
IT1135288B (it) Sensore di ossigeno
NO811927L (no) Magnetisk foelerinnretning.
BR8107975A (pt) Dispositivo espremedor
AT381284B (de) Achssensor
AT372647B (de) Abstandsmessvorrichtung
DE3164982D1 (de) Isoxazolyl indolamines
IT1144471B (it) Sensore elettrico di vibrazioni
SE8001582L (sv) Metverdesgivare
IT1176840B (it) Dispositivo sensore fotoelettrico
RO79503A2 (ro) Dispozitiv pentru tensionat sirma