DE69009541D1 - Eiserne Objekte detektierende Anordnung. - Google Patents

Eiserne Objekte detektierende Anordnung.

Info

Publication number
DE69009541D1
DE69009541D1 DE69009541T DE69009541T DE69009541D1 DE 69009541 D1 DE69009541 D1 DE 69009541D1 DE 69009541 T DE69009541 T DE 69009541T DE 69009541 T DE69009541 T DE 69009541T DE 69009541 D1 DE69009541 D1 DE 69009541D1
Authority
DE
Germany
Prior art keywords
arrangement
iron objects
iron
objects
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 - Fee Related
Application number
DE69009541T
Other languages
English (en)
Other versions
DE69009541T2 (de
Inventor
Ronald J Wolf
Larry Hedeen
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.)
American Electronic Components Inc
Original Assignee
Durakool Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23255233&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69009541(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Durakool Inc filed Critical Durakool Inc
Application granted granted Critical
Publication of DE69009541D1 publication Critical patent/DE69009541D1/de
Publication of DE69009541T2 publication Critical patent/DE69009541T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Electromagnetism (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Measuring Magnetic Variables (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Electronic Switches (AREA)
DE69009541T 1989-03-13 1990-03-13 Eiserne Objekte detektierende Anordnung. Expired - Fee Related DE69009541T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/322,518 US4970463A (en) 1989-03-13 1989-03-13 Temperature stable proximity sensor with sensing of flux emanating from the lateral surface of a magnet

Publications (2)

Publication Number Publication Date
DE69009541D1 true DE69009541D1 (de) 1994-07-14
DE69009541T2 DE69009541T2 (de) 1994-09-29

Family

ID=23255233

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69009541T Expired - Fee Related DE69009541T2 (de) 1989-03-13 1990-03-13 Eiserne Objekte detektierende Anordnung.

Country Status (4)

Country Link
US (1) US4970463A (de)
EP (1) EP0387781B1 (de)
JP (1) JP2898687B2 (de)
DE (1) DE69009541T2 (de)

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US5195377A (en) * 1990-04-17 1993-03-23 Garshelis Ivan J Magnetoelastic force transducer for sensing force applied to a ferromagnetic member using leakage flux measurement
JPH04318986A (ja) * 1991-04-17 1992-11-10 Victor Co Of Japan Ltd 磁気センサ装置
US5341126A (en) * 1991-12-26 1994-08-23 Boykin Roger O Selective exit control system
US5545983A (en) * 1992-03-02 1996-08-13 Seiko Epson Corporation Displacement sensor with temperature compensation by combining outputs in a predetermined ratio
US5757181A (en) * 1992-06-22 1998-05-26 Durakool Incorporated Electronic circuit for automatically compensating for errors in a sensor with an analog output signal
US5332965A (en) * 1992-06-22 1994-07-26 Durakool Incorporated Contactless linear angular position sensor having an adjustable flux concentrator for sensitivity adjustment and temperature compensation
US5336998A (en) * 1992-06-22 1994-08-09 United States Pipe And Foundry Company Sensor for detecting faults in a magnetized ferrous object using hall effect elements
US5497081A (en) * 1992-06-22 1996-03-05 Durakool Incorporated Mechanically adjustable linear-output angular position sensor
US6198275B1 (en) 1995-06-07 2001-03-06 American Electronic Components Electronic circuit for automatic DC offset compensation for a linear displacement sensor
US5592079A (en) * 1992-09-03 1997-01-07 Microtonic A/S Microelectronic position sensor for volume control
US5341097A (en) * 1992-09-29 1994-08-23 Honeywell Inc. Asymmetrical magnetic position detector
US5469054A (en) * 1993-04-22 1995-11-21 Honeywell Inc. Position sensor with two magnetically sensitive devices and two target tracks which are sensed in combination with each other to provide a synthesized signal
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
US5596271A (en) * 1994-05-03 1997-01-21 Multicraft International Method of and apparatus for detecting the rotation rate of an air moving fan
US5621317A (en) * 1994-12-12 1997-04-15 Ford Motor Company Position sensor with a magnetic proximity switch mechanism
US5610518A (en) * 1995-03-16 1997-03-11 Eastman Kodak Company Method and apparatus for detecting small magnetizable particles and flaws in nonmagnetic conductors
US5719496A (en) * 1995-06-07 1998-02-17 Durakool Incorporated Dual-element proximity sensor for sensing the direction of rotation of a ferrous target wheel
EP0842392B1 (de) * 1995-08-02 2003-12-17 American Electronic Components, Inc. Zahnradbewegungssensor mit verbesserter stabilität und auflösung
ES2124144B1 (es) * 1995-08-11 1999-08-16 Irausa Ing Sa Dispositivo antipinzamiento.
US5596272A (en) * 1995-09-21 1997-01-21 Honeywell Inc. Magnetic sensor with a beveled permanent magnet
US5777465A (en) * 1996-02-16 1998-07-07 Analog Devices, Inc. Circuitry and method for sensing spatial transitions sensed with a magnetic sensor
JPH09329463A (ja) * 1996-06-10 1997-12-22 Mitsubishi Electric Corp 検出装置
US5986450A (en) * 1997-04-04 1999-11-16 Analog Devices Directionally independent magnet sensor
US6127821A (en) * 1997-06-02 2000-10-03 The Cherry Corporation System for adjusting a magnetic sensor to detect the presence of ferrous objects
US5883567A (en) * 1997-10-10 1999-03-16 Analog Devices, Inc. Packaged integrated circuit with magnetic flux concentrator
DE19754819C1 (de) * 1997-12-10 1999-07-01 Krauss Maffei Verkehrstechnik Vorrichtung zur magnetischen Abstandsmessung
US6285958B1 (en) 1998-02-12 2001-09-04 American Electronic Components, Inc. Electronic circuit for automatic compensation of a sensor output signal
US6274939B1 (en) 1998-09-11 2001-08-14 American Electronic Components Resin ceramic compositions having magnetic properties
EP1173727B1 (de) * 1999-04-21 2005-06-29 Robert Bosch Gmbh Messvorrichtung zur berührungslosen erfassung eines drehwinkels
US6095555A (en) * 1999-05-12 2000-08-01 Trw Inc. Apparatus for sensing a forward position of a vehicle seat
US6459261B1 (en) 1999-07-15 2002-10-01 Wabash Technologies, Inc. Magnetic incremental motion detection system and method
US6717399B2 (en) 1999-07-15 2004-04-06 Wabash Technologies, Inc. Magnetic sensing device with offset compensation
US6356076B1 (en) 1999-07-15 2002-03-12 Optek Technology, Inc. System for outputting a plurality of signals as a collective representation of incremental movements of an object
US6275026B1 (en) 1999-08-10 2001-08-14 Trw Inc. Position sensing device
US6545465B1 (en) 2000-06-14 2003-04-08 Syron Engineering & Manufacturing Corporation Gripper with coiled sensor wire
US6703827B1 (en) 2000-06-22 2004-03-09 American Electronics Components, Inc. Electronic circuit for automatic DC offset compensation for a linear displacement sensor
US6753680B2 (en) 2000-11-29 2004-06-22 Ronald J. Wolf Position sensor
US6693421B2 (en) 2001-07-26 2004-02-17 Ronald J. Wolf Position sensor assembly utilizing magnetic field variations
US20030112158A1 (en) * 2001-11-05 2003-06-19 Babin Brian George Miniature magnetic device package
US6628741B2 (en) * 2001-11-20 2003-09-30 Netzer Precision Motion Sensors Ltd. Non-volatile passive revolution counter with reed magnetic sensor
US20030183954A1 (en) * 2002-03-15 2003-10-02 Wolf Ronald J. Magnetic resin composition and method of processing
WO2003098147A1 (en) * 2002-05-15 2003-11-27 American Electronic Components, Inc. Through the hole rotary position sensor
US6909281B2 (en) 2002-07-03 2005-06-21 Fisher Controls International Llc Position sensor using a compound magnetic flux source
DE10247590A1 (de) * 2002-10-11 2004-04-22 Siemens Ag Magnetischer Positionssensor
DE602004027796D1 (de) * 2003-02-21 2010-08-05 Fisher Controls Int Magnetischer positionssensor mit integriertem hall effekt schalter
JP2005044702A (ja) * 2003-07-25 2005-02-17 Asa Denshi Kogyo Kk 磁性体検出装置、磁気スイッチおよび移動体検出システム
US7216558B2 (en) * 2003-10-03 2007-05-15 Tranergy Corporation Wheel sensor assembly for rail base mounting
US6903669B1 (en) * 2003-10-03 2005-06-07 Cirrus Logic, Inc. Systems and methods for decoding compressed data
US7265539B2 (en) * 2005-06-09 2007-09-04 Ford Motor Company Calibration of a hall effect sensor
US7151369B1 (en) 2005-09-12 2006-12-19 Wolf Ronald J Position sensor
JP5051918B2 (ja) * 2006-04-27 2012-10-17 旭化成エレクトロニクス株式会社 位置検出装置及び位置検出方法
US8629675B2 (en) * 2008-01-08 2014-01-14 Borgwarner Beru Systems Gmbh Linear sensor
JP5401110B2 (ja) * 2008-02-04 2014-01-29 東京理学検査株式会社 位置計測方法
US8172461B2 (en) * 2009-08-31 2012-05-08 General Electric Company Grid assembly positioning circuit and detector assembly including the same
DE102009046180A1 (de) * 2009-10-29 2011-05-05 Scambia Industrial Developments Aktiengesellschaft Anhängekupplung
JP5535139B2 (ja) * 2011-06-30 2014-07-02 株式会社ヴァレオジャパン 近接センサ
US9153369B2 (en) 2012-04-23 2015-10-06 Infineon Technologies Ag Bias field generator including a body having two body parts and holding a packaged magnetic sensor

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GB817553A (en) * 1955-05-06 1959-07-29 Siemens Ag Improvements in or relating to methods for measuring magnetic fields
US2942177A (en) * 1955-05-06 1960-06-21 Siemens Ag Method and means for measuring magnetic field strength
US2987669A (en) * 1959-01-19 1961-06-06 Gulton Ind Inc Hall effect electromechanical sensing device
US3060370A (en) * 1960-02-23 1962-10-23 Gen Motors Corp Displacement transducer
GB1245954A (en) * 1967-12-07 1971-09-15 Ici Ltd Device for the detection of the rotational motion of a shaft
GB1416652A (en) * 1973-04-26 1975-12-03 Siemens Ag Switching devices
JPS5234755A (en) * 1975-08-11 1977-03-16 Matsushita Electric Ind Co Ltd Detector for the number of revolutions
FR2331774A1 (fr) * 1975-11-12 1977-06-10 Radiotechnique Compelec Procede de reperage dynamique de positions particulieres de pieces mobiles a l'aide d'un cristal a effet hall et dispositifs de mise en oeuvre du procede
US4039936A (en) * 1976-04-05 1977-08-02 International Business Machines Corporation Interleaved magnetoresistive displacement transducers
US4093917A (en) * 1976-10-06 1978-06-06 The United States Of America As Represented By The Administrator, National Aeronautics And Space Administration Velocity measurement system
SE7611326L (sv) * 1976-10-12 1978-04-13 Gustafson Adolf Gunnar Givare
US4107604A (en) * 1976-12-01 1978-08-15 Compunetics, Incorporated Hall effect displacement transducer using a bar magnet parallel to the plane of the Hall device
JPS57189011A (en) * 1981-05-15 1982-11-20 Fuji Heavy Ind Ltd Position detecting mechanism
US4518918A (en) * 1982-09-28 1985-05-21 Sprague Electric Company Ferromagnetic article detector with dual Hall-sensors
US4731579A (en) * 1982-10-12 1988-03-15 Polaroid Corporation Magnetic position indicator and actuator using same
JPS626159A (ja) * 1985-07-02 1987-01-13 Kubota Ltd 浸炭計測用プル−ブ
JPS626153A (ja) * 1985-07-02 1987-01-13 Kubota Ltd 浸炭計測用プル−ブ
JPS626155A (ja) * 1985-07-02 1987-01-13 Kubota Ltd 浸炭計測用プル−ブ
DE3636079A1 (de) * 1986-10-23 1988-05-05 Ultrasonics Schallfeld Messtec Wegsensor fuer ferromagnetische stoffe

Also Published As

Publication number Publication date
DE69009541T2 (de) 1994-09-29
US4970463A (en) 1990-11-13
EP0387781A3 (de) 1991-02-06
JP2898687B2 (ja) 1999-06-02
JPH02278101A (ja) 1990-11-14
EP0387781B1 (de) 1994-06-08
EP0387781A2 (de) 1990-09-19

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8327 Change in the person/name/address of the patent owner

Owner name: AMERICAN ELECTRONIC COMPONENTS, INC., ELKHART, IND

8339 Ceased/non-payment of the annual fee