DE69026391D1 - Linearer Positionssensor - Google Patents

Linearer Positionssensor

Info

Publication number
DE69026391D1
DE69026391D1 DE69026391T DE69026391T DE69026391D1 DE 69026391 D1 DE69026391 D1 DE 69026391D1 DE 69026391 T DE69026391 T DE 69026391T DE 69026391 T DE69026391 T DE 69026391T DE 69026391 D1 DE69026391 D1 DE 69026391D1
Authority
DE
Germany
Prior art keywords
position sensor
linear position
linear
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 - Lifetime
Application number
DE69026391T
Other languages
English (en)
Inventor
Clyde Miin Arng Ko
Carl Andrew Munch
David Wendel Shank
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.)
Nartron Corp
Original Assignee
Nartron 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 Nartron Corp filed Critical Nartron Corp
Application granted granted Critical
Publication of DE69026391D1 publication Critical patent/DE69026391D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01D5/20—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 by varying inductance, e.g. by a movable armature
    • G01D5/204—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 by varying inductance, e.g. by a movable armature by influencing the mutual induction between two or more coils
    • G01D5/2053—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 by varying inductance, e.g. by a movable armature by influencing the mutual induction between two or more coils by a movable non-ferromagnetic conductive element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
    • B60G17/019—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the type of sensor or the arrangement thereof
    • B60G17/01933—Velocity, e.g. relative velocity-displacement sensors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/28—Means for indicating the position, e.g. end of stroke
    • F15B15/2815—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT
    • F15B15/2861—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT using magnetic means
    • 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
    • G01D5/20—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 by varying inductance, e.g. by a movable armature
    • G01D5/204—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 by varying inductance, e.g. by a movable armature by influencing the mutual induction between two or more coils
    • G01D5/2046—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 by varying inductance, e.g. by a movable armature by influencing the mutual induction between two or more coils by a movable ferromagnetic element, e.g. a core
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/10—Mounting of suspension elements
    • B60G2204/11—Mounting of sensors thereon
    • B60G2204/111—Mounting of sensors thereon on pneumatic springs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/10—Mounting of suspension elements
    • B60G2204/11—Mounting of sensors thereon
    • B60G2204/112—Mounting of sensors thereon on dampers, e.g. fluid dampers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
    • B60G2400/20—Speed
    • B60G2400/202—Piston speed; Relative velocity between vehicle body and wheel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
    • B60G2400/25—Stroke; Height; Displacement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
    • B60G2400/25—Stroke; Height; Displacement
    • B60G2400/252—Stroke; Height; Displacement vertical
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2401/00—Indexing codes relating to the type of sensors based on the principle of their operation
    • B60G2401/17—Magnetic/Electromagnetic

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
DE69026391T 1989-01-11 1990-01-10 Linearer Positionssensor Expired - Lifetime DE69026391D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/296,183 US5216364A (en) 1989-01-11 1989-01-11 Variable transformer position sensor

Publications (1)

Publication Number Publication Date
DE69026391D1 true DE69026391D1 (de) 1996-05-09

Family

ID=23140951

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69026391T Expired - Lifetime DE69026391D1 (de) 1989-01-11 1990-01-10 Linearer Positionssensor
DE69007802T Expired - Fee Related DE69007802T2 (de) 1989-01-11 1990-01-10 Linearer Positionssensor.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69007802T Expired - Fee Related DE69007802T2 (de) 1989-01-11 1990-01-10 Linearer Positionssensor.

Country Status (5)

Country Link
US (2) US5216364A (de)
EP (2) EP0592849B1 (de)
JP (1) JPH02264814A (de)
CA (1) CA2007496A1 (de)
DE (2) DE69026391D1 (de)

Families Citing this family (61)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5619133A (en) * 1989-01-11 1997-04-08 Nartron Corporation Single coil position and movement sensor having enhanced dynamic range
US5216364A (en) * 1989-01-11 1993-06-01 Nartron Corporation Variable transformer position sensor
US5811967A (en) * 1989-01-11 1998-09-22 Nartron Corporation EGR valve linear position sensor having variable coupling transformer
US5563355A (en) * 1993-05-24 1996-10-08 Cj Design & Engineering, Inc. Force sensor
US5453685A (en) * 1993-07-30 1995-09-26 Philips Electronics North America Corporation Inductive position sensing device and apparatus with selectable winding configuration
US5698910A (en) * 1995-12-22 1997-12-16 Eastman Kodak Company Electromagnetic actuator with position sensor
US6499368B2 (en) * 1996-01-24 2002-12-31 Microstrain, Inc. Miniaturized pressure equalized displacement sensor assembly
US5936400A (en) * 1996-12-23 1999-08-10 Federal Products Co. Magnetoresistive displacement sensor and variable resistor using a moving domain wall
RU2127865C1 (ru) 1997-07-24 1999-03-20 Медников Феликс Матвеевич Устройство для измерения линейных перемещений (варианты)
US6018247A (en) * 1998-02-19 2000-01-25 Kelly; John Michael Time domain reflectometer linear position sensing
FR2784178B1 (fr) * 1998-10-01 2000-11-24 Janpierre Saugnac Dispositif pour mesurer l'evolution de la distance entre un premier point et un second point d'une structure
EP1173721A1 (de) * 1999-04-23 2002-01-23 Scientific Generics Limited Positionssensor
GB9913935D0 (en) 1999-06-15 1999-08-18 Scient Generics Ltd Position encoder for cylindrical geometries
WO2002023707A1 (en) * 2000-09-15 2002-03-21 Radian Research, Inc. Reduction of capacitance effects in potential transformers
US6499359B1 (en) 2001-07-09 2002-12-31 Nartron Corporation Compressible capacitance sensor for determining the presence of an object
US6782759B2 (en) * 2001-07-09 2004-08-31 Nartron Corporation Anti-entrapment system
US7162928B2 (en) * 2004-12-06 2007-01-16 Nartron Corporation Anti-entrapment system
US7132642B2 (en) * 2001-07-09 2006-11-07 Nartron Corporation Anti-entrapment systems for preventing objects from being entrapped by translating devices
US7293467B2 (en) 2001-07-09 2007-11-13 Nartron Corporation Anti-entrapment system
US20040080313A1 (en) * 2001-10-03 2004-04-29 Amnon Brosh Modular non-contacting position sensor
US6903642B2 (en) * 2001-12-03 2005-06-07 Radian Research, Inc. Transformers
GB2387656B (en) * 2002-04-16 2004-03-03 Weston Aerospace Transformer probe
US6690160B2 (en) * 2002-04-22 2004-02-10 Deere & Company Position sensing apparatus
US8022691B2 (en) * 2002-10-02 2011-09-20 Microstrain, Inc. Microminiature gauging displacement sensor
US8306696B2 (en) * 2003-04-17 2012-11-06 Driveright Holdings, Ltd. Method and system for aligning a vehicle with an artificial horizon
EP1615787B1 (de) * 2003-04-17 2009-11-18 Firestone Industrial Products Company, LLC Verfahren und system zur ausrichtung eines stationären fahrzeugs auf einen künstlichen horizont
WO2007011402A2 (en) * 2004-10-26 2007-01-25 Georgia Tech Research Corporation Displacement sensor
US7744099B2 (en) * 2004-11-04 2010-06-29 Driveright Holdings, Ltd. Method and system for adjusting a vehicle aligned with an artificial horizon
US7312591B2 (en) 2005-03-11 2007-12-25 Npc Corporation Powered panel moving system
GB2432000B (en) * 2005-11-07 2008-10-29 Newall Measurement Syst Ltd Position detector with a flexible mount
US7918801B2 (en) * 2005-12-29 2011-04-05 Medility Llc Sensors for monitoring movements, apparatus and systems therefor, and methods for manufacture and use
US7342373B2 (en) * 2006-01-04 2008-03-11 Nartron Corporation Vehicle panel control system
GB2435518B (en) 2006-02-28 2009-11-18 Alexy Davison Karenowska Position sensor
US7432827B2 (en) * 2006-08-28 2008-10-07 Edward Anthony Richley Device for activating inductive loop sensor of a traffic light control system
US7913822B2 (en) * 2006-12-22 2011-03-29 Chrysler Group Llc Ride height sensing shock damper
JP4960767B2 (ja) * 2007-05-25 2012-06-27 パナソニック株式会社 変位センサ
US20090057300A1 (en) * 2007-08-27 2009-03-05 Xaloy Incorporated Heating system for plastic processing equipment having a profile gap
US20090058430A1 (en) * 2007-09-05 2009-03-05 Sentrinsic Systems and Methods for Sensing Positions of Components
US7703334B2 (en) * 2007-10-04 2010-04-27 Medility Llc Bandage type sensor arrangement and carrier assembly therefore, and method of manufacture
US8155835B2 (en) * 2008-02-21 2012-04-10 Driveright Holdings, Ltd. Vehicle chassis height adjustment method and system
JP2009204346A (ja) * 2008-02-26 2009-09-10 Panasonic Electric Works Co Ltd ポジションセンサ
US7956603B2 (en) * 2008-06-16 2011-06-07 Medility Llc Sensor inductors, sensors for monitoring movements and positioning, apparatus, systems and methods therefore
US20090309578A1 (en) * 2008-06-16 2009-12-17 Cochran William T Sensor inductors, sensors for monitoring movements and positioning, apparatus, systems and methods therefore
US20090309683A1 (en) * 2008-06-16 2009-12-17 Cochran William T Sensor inductors, sensors for monitoring movements and positioning, apparatus, systems and methods therefore
US8058867B2 (en) * 2008-08-18 2011-11-15 Deere & Company System for determining the position of a movable member
US7977935B2 (en) * 2009-06-04 2011-07-12 Key Safety Systems, Inc. Temperature tolerant magnetic linear displacement sensor
US20110093239A1 (en) * 2009-10-21 2011-04-21 Holbrook Gregory A Vehicle weight sensing methods and systems
AT509627B1 (de) * 2010-03-29 2012-04-15 Ait Austrian Institute Of Technology Gmbh Vorrichtung zur erfassung der position einer stelleinheit
US8478560B2 (en) * 2011-01-19 2013-07-02 Honeywell International Inc. Three wire transformer position sensor, signal processing circuitry, and temperature compensation circuitry therefor
DE102011003851A1 (de) * 2011-02-09 2012-08-09 Continental Teves Ag & Co. Ohg Anordnung mit einem Gehäuse, mit einer Spindel und einer gegen Rotation fixierten, verschiebbar angeordneten Spindelmutter und Verfahren zur Bestimmung einer Zuspannkraft
DE102011121028B4 (de) * 2011-12-14 2014-10-16 Paragon Ag "Messanordnung zur Bestimmung des Abstands zu einer magnetischen Wechselfeldquelle und Verfahren zur Messung des Abstands zwischen einer Magnetsensoranordnung und einer magnetischen Wechselfeldquelle"
CN103963738A (zh) * 2013-02-06 2014-08-06 现代自动车株式会社 非接触式换档锁装置
WO2014200105A1 (ja) * 2013-06-13 2014-12-18 株式会社アミテック 誘導型位置検出装置
US9797490B2 (en) * 2014-03-27 2017-10-24 Lcdrives Corp. High reliability actuator
US10436609B2 (en) 2014-10-24 2019-10-08 Moog Inc. Position sensor assembly
US10837802B2 (en) * 2016-07-22 2020-11-17 Regents Of The University Of Minnesota Position sensing system with an electromagnet
US10914566B2 (en) * 2016-07-22 2021-02-09 Regents Of The University Of Minnesota Position sensing system with an electromagnet
WO2020033041A1 (en) * 2018-08-07 2020-02-13 Halliburton Energy Services, Inc. Caliper tool and sensor for use in high pressure environments
DE102018132694A1 (de) * 2018-12-18 2020-06-18 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Spulenkörper, Induktiver Drehzahlsensor und Verfahren zu deren Herstellung
EP3697004A3 (de) * 2019-02-15 2020-12-02 Tata Consultancy Services Limited System, verfahren und computerlesbares speichermedium zum unterbrechen von unbefugter kommunikation in niederfrequenz-funkkommunikationsvorrichtungen
EP3809098B1 (de) * 2019-10-16 2022-04-06 Ams Ag Sensor-frontend und verfahren zum betreiben einer sensorvorrichtung

Family Cites Families (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2911632A (en) * 1955-05-03 1959-11-03 United Aircraft Corp Telemetric position transmitter
US3001183A (en) * 1956-11-05 1961-09-19 Ford Instr Company Division Of Remote internal linear position indicator
US3030574A (en) * 1957-02-26 1962-04-17 Westinghouse Electric Corp Position indicator
US3020527A (en) * 1957-05-13 1962-02-06 United Aircraft Corp Position indicating system
US3181055A (en) * 1961-07-24 1965-04-27 Bourns Inc Differential-transformer displacement-transducer
AT312319B (de) * 1967-12-30 1973-12-27 Joseph Anton Bachmann Vorrichtung zur Stellwegmessung bei einer Kolben-Zylinder-Einheit von Werkzeugmaschinen od.dgl.
US3891918A (en) * 1971-03-23 1975-06-24 James F Ellis Linear displacement transducer utilizing an oscillator whose average period varies as a linear function of the displacement
BE793944A (fr) * 1972-01-24 1973-05-02 Merlin Gerin Capteur de position sans contact mecanique
US3821652A (en) * 1972-08-14 1974-06-28 Cincinnati Milacron Inc Square to sine converter
JPS5158853A (de) * 1974-11-19 1976-05-22 Sharp Kk
US3982189A (en) * 1975-11-25 1976-09-21 The United States Of America As Represented By The Secretary Of The Navy Square wave to sine wave converter
JPS5438714A (en) * 1977-09-01 1979-03-23 Mitsubishi Electric Corp Radio transmitting device
DE2914083A1 (de) * 1978-04-11 1979-10-25 Univ Cardiff Vorrichtung zum messen der verschiebung zwischen zwei relativ zueinander beweglichen teilen, insbesondere an einem hydraulischen hubzylinder
GB2021770B (en) * 1978-04-11 1982-08-18 Univ Cardiff Distance measuring
JPS55117912A (en) * 1979-03-05 1980-09-10 Mitsubishi Electric Corp Control bar position detection unit
DE2940018A1 (de) * 1979-10-03 1981-04-16 Robert Bosch Gmbh, 7000 Stuttgart Induktive messeinrichtung, insbesondere fuer eine brennkraftmaschine
JPS56128178A (en) * 1980-03-14 1981-10-07 Sofuia Kk Pinball machine
GB2074736B (en) * 1980-04-26 1984-03-07 Lucas Industries Ltd Displacement measuring transducers and their use for sensing vehicle suspension displacements
US4408159A (en) * 1981-04-02 1983-10-04 Abex Corporation Proximity sensing head
US4555120A (en) * 1983-10-07 1985-11-26 Kelsey-Hayes Co. Position sensor
DE3446307A1 (de) * 1983-12-21 1985-07-04 Honeywell Gmbh, 6050 Offenbach Verfahren und schaltungsanordnung zur erzeugung von sinusschwingungen
US4658153A (en) * 1984-06-18 1987-04-14 Amnon Brosh Planar coil apparatus for providing a frequency output vs. position
US4797614A (en) * 1984-11-02 1989-01-10 Sierracin Corporation Apparatus and method for measuring conductance including a temperature controlled resonant tank circuit with shielding
SU1232931A1 (ru) * 1984-12-17 1986-05-23 Ордена Ленина Производственное Энергетическое Объединение "Донбассэнерго" Трансформаторный датчик линейных перемещений
US4663589A (en) * 1985-02-11 1987-05-05 Sensor Technologies, Inc. Displacement sensor having multiplexed dual tank circuits
DE3528811A1 (de) * 1985-08-10 1987-03-12 Hottinger Messtechnik Baldwin Induktiver wegaufnehmer
JPS62165119A (ja) * 1986-01-16 1987-07-21 Oki Electric Ind Co Ltd 差動トランスインタフエ−ス回路
DE3603950A1 (de) * 1986-02-06 1987-08-13 Siemens Ag Induktiver temperaturkompensierter stellungsmelder
US4742794A (en) * 1986-09-08 1988-05-10 Bennett Marine, Inc. Trim tab indicator system
US4839590A (en) * 1987-09-24 1989-06-13 Magnetek Controls Piezoelectric actuator for magnetostrictive linear displacement measuring device
US5216364A (en) * 1989-01-11 1993-06-01 Nartron Corporation Variable transformer position sensor
US5036275A (en) * 1989-01-11 1991-07-30 Nartron Corporation Inductive coupling position sensor method and apparatus having primary and secondary windings parallel to each other
US5017867A (en) * 1989-12-08 1991-05-21 Magnetek Controls Magnetostrictive linear position detector with reflection termination
US5054785A (en) * 1990-12-18 1991-10-08 Acushnet Company Game ball support device and piezoelectric ball motion detector

Also Published As

Publication number Publication date
US5642043A (en) 1997-06-24
EP0592849A1 (de) 1994-04-20
EP0378402B1 (de) 1994-04-06
EP0378402A1 (de) 1990-07-18
DE69007802T2 (de) 1994-10-20
DE69007802D1 (de) 1994-05-11
CA2007496A1 (en) 1990-07-11
EP0592849B1 (de) 1996-04-03
JPH02264814A (ja) 1990-10-29
US5216364A (en) 1993-06-01

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Legal Events

Date Code Title Description
8332 No legal effect for de