JPH1194951A - 磁気鉄物体近接センサ - Google Patents

磁気鉄物体近接センサ

Info

Publication number
JPH1194951A
JPH1194951A JP10190934A JP19093498A JPH1194951A JP H1194951 A JPH1194951 A JP H1194951A JP 10190934 A JP10190934 A JP 10190934A JP 19093498 A JP19093498 A JP 19093498A JP H1194951 A JPH1194951 A JP H1194951A
Authority
JP
Japan
Prior art keywords
magnetic flux
magnets
sensor
detector according
hall effect
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.)
Pending
Application number
JP10190934A
Other languages
English (en)
Japanese (ja)
Other versions
JPH1194951A5 (enExample
Inventor
Ei Ramusuden Edowaado
エイ ラムスデン エドワード
Esu Beiaaman Buratsudorii
エス ベイアーマン ブラッドリー
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.)
Cherry Corp
Original Assignee
Cherry 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
Application filed by Cherry Corp filed Critical Cherry Corp
Publication of JPH1194951A publication Critical patent/JPH1194951A/ja
Publication of JPH1194951A5 publication Critical patent/JPH1194951A5/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/945—Proximity switches
    • H03K17/95—Proximity switches using a magnetic detector
    • H03K17/9517—Proximity switches using a magnetic detector using galvanomagnetic devices

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Environmental & Geological Engineering (AREA)
  • Electromagnetism (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Measuring Magnetic Variables (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Geophysics And Detection Of Objects (AREA)
JP10190934A 1997-06-02 1998-06-02 磁気鉄物体近接センサ Pending JPH1194951A (ja)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US4825797P 1997-06-02 1997-06-02
US08/993,723 US6127821A (en) 1997-06-02 1997-12-18 System for adjusting a magnetic sensor to detect the presence of ferrous objects
US60/048257 1997-12-18
US08/993723 1997-12-18

Publications (2)

Publication Number Publication Date
JPH1194951A true JPH1194951A (ja) 1999-04-09
JPH1194951A5 JPH1194951A5 (enExample) 2005-09-29

Family

ID=26725946

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10190934A Pending JPH1194951A (ja) 1997-06-02 1998-06-02 磁気鉄物体近接センサ

Country Status (3)

Country Link
US (1) US6127821A (enExample)
JP (1) JPH1194951A (enExample)
DE (1) DE19824510B4 (enExample)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10009173A1 (de) * 2000-02-26 2001-09-06 Bosch Gmbh Robert Messvorrichtung zur berührungslosen Erfassung eines ferromagnetischen Gegenstandes
AU2002363481A1 (en) * 2001-11-05 2003-05-19 Dana Corporation Minature magnetic device package
FR2839361B1 (fr) * 2002-05-06 2004-09-17 Siemens Vdo Automotive Procede et dispositif de reglage d'un detecteur du passage d'une discontinuite d'une piece metallique mobile
EP1518131B1 (en) * 2002-07-01 2005-10-26 European Organisation for Nuclear Research CERN Device for calibration of magnetic sensors in three dimensions
US7433728B2 (en) * 2003-05-29 2008-10-07 Biosense, Inc. Dynamic metal immunity by hysteresis
US7974680B2 (en) * 2003-05-29 2011-07-05 Biosense, Inc. Hysteresis assessment for metal immunity
US7321228B2 (en) * 2003-07-31 2008-01-22 Biosense Webster, Inc. Detection of metal disturbance in a magnetic tracking system
NO320062B1 (no) 2003-11-19 2005-10-17 New Interaction Devices And Te Anordning til a detektere naerhet mellom et forste objekt (malobjekt) og et annet objekt (referanseobjekt), samt tegne-, skrive- og/eller pekeredskap for datapresentasjon etc.
US6870366B1 (en) 2003-12-23 2005-03-22 Trw Automotive U.S. Llc Apparatus for sensing vehicle seat position
DE102004045670B3 (de) * 2004-09-17 2006-02-09 Zf Friedrichshafen Ag Fahrzeugniveauerfassung
US7304472B2 (en) * 2005-04-28 2007-12-04 Williams Controls Industries, Inc. Rotary position sensor
US8203332B2 (en) * 2008-06-24 2012-06-19 Magic Technologies, Inc. Gear tooth sensor (GTS) with magnetoresistive bridge
EP2239400B1 (de) * 2009-04-08 2018-09-05 Marquardt GmbH Schlüssel für ein Kraftfahrzeug
DE102009046180A1 (de) * 2009-10-29 2011-05-05 Scambia Industrial Developments Aktiengesellschaft Anhängekupplung
US8917086B2 (en) * 2010-07-20 2014-12-23 Lawrence Livermore National Security, Llc Position sensor for linear synchronous motors employing halbach arrays
DE102010043010C5 (de) 2010-10-27 2017-10-05 Ifm Electronic Gmbh Induktiver Näherungsschalter
US8922207B2 (en) 2011-11-17 2014-12-30 Infineon Technologies Ag Electronic device comprising hall effect region with three contacts
US9316705B2 (en) 2014-05-09 2016-04-19 Infineon Technologies Ag Vertical hall effect-device
US9425385B2 (en) 2014-05-09 2016-08-23 Infineon Technologies Ag Vertical hall effect device
GB2548795A (en) * 2016-03-14 2017-10-04 Reventec Ltd A magnetic position sensor

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1440193B2 (de) * 1961-09-05 1972-01-13 Siemens AG, 1000 Berlin u 8000 München Magnetisch elektrischer signalgeber mit einem hallgenerator
US4156191A (en) * 1977-10-20 1979-05-22 Gulf & Western Manufacturing Company Method and apparatus for adjusting the magnetic coupling between a Hall Effect switch and a permanent magnet
US4970463A (en) * 1989-03-13 1990-11-13 Durakool Incorporated Temperature stable proximity sensor with sensing of flux emanating from the lateral surface of a magnet
DE4025837A1 (de) * 1990-08-16 1992-02-20 Vdo Schindling Hallsensor
US5818222A (en) * 1995-06-07 1998-10-06 The Cherry Corporation Method for adjusting ferrous article proximity detector

Also Published As

Publication number Publication date
DE19824510A1 (de) 1999-05-20
US6127821A (en) 2000-10-03
DE19824510B4 (de) 2010-08-19

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