DE69511452D1 - Positionserfassungssystemen mit magnetoresistiven Elementen - Google Patents

Positionserfassungssystemen mit magnetoresistiven Elementen

Info

Publication number
DE69511452D1
DE69511452D1 DE69511452T DE69511452T DE69511452D1 DE 69511452 D1 DE69511452 D1 DE 69511452D1 DE 69511452 T DE69511452 T DE 69511452T DE 69511452 T DE69511452 T DE 69511452T DE 69511452 D1 DE69511452 D1 DE 69511452D1
Authority
DE
Germany
Prior art keywords
position detection
detection systems
magnetoresistive elements
magnetoresistive
elements
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
DE69511452T
Other languages
English (en)
Other versions
DE69511452T2 (de
Inventor
Greg E Blonder
Sungho Jin
Robert Albert Boie
Mark Thomas Mccormack
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.)
AT&T Corp
Original Assignee
AT&T 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 AT&T Corp filed Critical AT&T Corp
Publication of DE69511452D1 publication Critical patent/DE69511452D1/de
Application granted granted Critical
Publication of DE69511452T2 publication Critical patent/DE69511452T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/046—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by electromagnetic means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y25/00—Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
    • 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
    • G01D5/145—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 relative movement between the Hall device and magnetic fields
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/0036—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties showing low dimensional magnetism, i.e. spin rearrangements due to a restriction of dimensions, e.g. showing giant magnetoresistivity
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/40—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials of magnetic semiconductor materials, e.g. CdCr2S4
    • H01F1/401—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials of magnetic semiconductor materials, e.g. CdCr2S4 diluted
    • H01F1/407—Diluted non-magnetic ions in a magnetic cation-sublattice, e.g. perovskites, La1-x(Ba,Sr)xMnO3
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N50/00—Galvanomagnetic devices
    • H10N50/80—Constructional details
    • H10N50/85—Magnetic active materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Nanotechnology (AREA)
  • Power Engineering (AREA)
  • Theoretical Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Electromagnetism (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Human Computer Interaction (AREA)
  • Materials Engineering (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Measuring Magnetic Variables (AREA)
  • Hall/Mr Elements (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
DE69511452T 1994-04-28 1995-04-19 Positionserfassungssystemen mit magnetoresistiven Elementen Expired - Fee Related DE69511452T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/234,528 US5834709A (en) 1994-01-26 1994-04-28 Position sensing systems including magnetoresistive elements

Publications (2)

Publication Number Publication Date
DE69511452D1 true DE69511452D1 (de) 1999-09-23
DE69511452T2 DE69511452T2 (de) 2000-03-30

Family

ID=22881737

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69511452T Expired - Fee Related DE69511452T2 (de) 1994-04-28 1995-04-19 Positionserfassungssystemen mit magnetoresistiven Elementen

Country Status (5)

Country Link
US (1) US5834709A (de)
EP (1) EP0680008B1 (de)
JP (1) JPH07301666A (de)
CA (1) CA2146318C (de)
DE (1) DE69511452T2 (de)

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* Cited by examiner, † Cited by third party
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ES2128263B1 (es) * 1997-05-28 1999-12-16 Consejo Superior Investigacion Dispositivos magnetoresistivos para la deteccion de presencia y posicion de piezas metalicas.
US6504528B1 (en) * 2000-01-14 2003-01-07 Lucent Technologies Inc. Magnetic mouse and/or mouse-pad
GB0006144D0 (en) * 2000-03-14 2000-05-03 Isis Innovation Position and electromagnetic field sensor
WO2002035333A1 (en) * 2000-10-24 2002-05-02 Nokia Corporation Touchpad
JP3965119B2 (ja) * 2000-11-22 2007-08-29 サーク・コーポレーション 永久磁石を使用するスタイラス入力装置
US20030095115A1 (en) * 2001-11-22 2003-05-22 Taylor Brian Stylus input device utilizing a permanent magnet
FR2842744B1 (fr) * 2002-07-24 2006-06-30 Michel Desroses Dispositif de detection de la nature d'un coup et de mesure de sa force, procede pour ca mise en oeuvre et son application a l'arbitrage d'un sport
DE10361905A1 (de) * 2003-12-23 2005-07-28 Fachhochschule Jena Meßanordnung zur Bestimmung der aktuellen Position, der Orientierung und/oder des Bewegungsablaufs eines Gegenstandes
DE10361904A1 (de) * 2003-12-23 2005-07-28 Fachhochschule Jena Verfahren und Anordnung zur Ermittlung von Positionen eines auf einer Fläche bewegten Gegenstandes
WO2005117202A1 (en) 2004-05-28 2005-12-08 Telefonaktiebolaget Lm Ericsson (Publ) An antenna panel, a mounting arrangement and an arrangement for compensating an array of several antenna panels
WO2005116686A2 (en) * 2004-05-28 2005-12-08 Telefonaktiebolaget Lm Ericsson (Publ) Method and arrangement for determining the spatial frequency of a signal
US8321173B2 (en) * 2004-08-25 2012-11-27 Wallance Daniel I System and method for using magnetic sensors to track the position of an object
US8862200B2 (en) 2005-12-30 2014-10-14 DePuy Synthes Products, LLC Method for determining a position of a magnetic source
US7525309B2 (en) 2005-12-30 2009-04-28 Depuy Products, Inc. Magnetic sensor array
US20080197948A1 (en) * 2006-12-13 2008-08-21 Stoneridge Control Devices, Inc. Cylinder Position Sensor and Cylinder Incorporating the Same
US8068648B2 (en) 2006-12-21 2011-11-29 Depuy Products, Inc. Method and system for registering a bone of a patient with a computer assisted orthopaedic surgery system
WO2009143190A1 (en) * 2008-05-19 2009-11-26 Stoneridge Control Devices, Inc. Cylinder position sensor and cylinder incorporating the same
JP5397979B2 (ja) * 2008-09-10 2014-01-22 株式会社ジャパンディスプレイ 抵抗膜型入力装置、入力機能付き表示装置および電子機器
WO2011149366A1 (en) * 2010-05-28 2011-12-01 Institute Of Geological And Nuclear Sciences Limited Magnetic nanoclusters
EP2413154B1 (de) * 2010-07-30 2013-04-17 Nxp B.V. Magnetoresistiver Sensor
CN102520837A (zh) * 2011-12-02 2012-06-27 鸿富锦精密工业（深圳）有限公司 电磁式输入装置及其电磁式输入面板
FR2988874B1 (fr) * 2012-03-29 2014-03-28 Commissariat Energie Atomique Procede de detection d'un point de contact entre une pointe d'un ustensile et un support d'ecriture
GB2508375A (en) * 2012-11-29 2014-06-04 Ibm A position sensor comprising a magnetoresistive element
KR102178558B1 (ko) * 2014-01-22 2020-11-16 삼성디스플레이 주식회사 접촉 감지 장치 및 접촉 감지 방법

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DE1137507B (de) * 1959-05-13 1962-10-04 Landis & Gyr Ag Schaltungsanordnung zum temperatur-unabhaengigen Abbilden eines Magnetfeldes, eines dieses Feld erzeugenden Stromes oder des Produkts zweier elektrischer Groessen mittels eines magnetfeldabhaengigen Halb-leiters
DE2415250A1 (de) * 1974-03-29 1975-10-09 Dieter Camen Telekommunikationssystem zur fernuebertragung von zeichen auf elektrischem wege
JPS5737737A (en) * 1980-08-15 1982-03-02 Fuji Photo Film Co Ltd Magnetic recording medium
FR2584836B1 (fr) * 1985-07-09 1992-06-19 Farel Alain Procede de saisie informatique de donnees graphiques concomitante a leur creation
JPS6289201A (ja) * 1985-10-16 1987-04-23 Hitachi Ltd 磁気記録再生装置
DE3708104A1 (de) * 1987-03-13 1988-09-22 Bosch Gmbh Robert Positionsmessvorrichtung
JPH0799388B2 (ja) * 1988-03-18 1995-10-25 シャープ株式会社 磁気像検出装置
US4853493A (en) * 1988-05-06 1989-08-01 Scriptel Holding, Inc. Electrographic apparatus
US4999462A (en) * 1989-10-06 1991-03-12 Summagraphics Corporation Position determining and digitizing method and device
US4952757A (en) * 1989-11-15 1990-08-28 Summagraphics Corporation Low-power electromagnetic digitizer tablet
US5113041A (en) * 1990-12-28 1992-05-12 At&T Bell Laboratories Information processing
US5381160A (en) * 1991-09-27 1995-01-10 Calcomp Inc. See-through digitizer with clear conductive grid
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JP3279399B2 (ja) * 1992-09-14 2002-04-30 アルプス電気株式会社 Ｆｅ基軟磁性合金の製造方法
JP3398404B2 (ja) * 1992-11-11 2003-04-21 戸田工業株式会社 磁気記録用磁性粒子粉末の製造法
US5411814A (en) * 1994-01-26 1995-05-02 At&T Corp. Article comprising magnetoresistive oxide of La, Ca, Mn additionally containing either of both of Sr and Ba

Also Published As

Publication number Publication date
US5834709A (en) 1998-11-10
EP0680008A1 (de) 1995-11-02
DE69511452T2 (de) 2000-03-30
CA2146318C (en) 2001-01-16
EP0680008B1 (de) 1999-08-18
JPH07301666A (ja) 1995-11-14
CA2146318A1 (en) 1995-10-29

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee