AU2003232216A1 - Temperature compensation of a sensor arrangement (gmr) with double-sided potential changes - Google Patents

Temperature compensation of a sensor arrangement (gmr) with double-sided potential changes

Info

Publication number
AU2003232216A1
AU2003232216A1 AU2003232216A AU2003232216A AU2003232216A1 AU 2003232216 A1 AU2003232216 A1 AU 2003232216A1 AU 2003232216 A AU2003232216 A AU 2003232216A AU 2003232216 A AU2003232216 A AU 2003232216A AU 2003232216 A1 AU2003232216 A1 AU 2003232216A1
Authority
AU
Australia
Prior art keywords
gmr
double
temperature compensation
sensor arrangement
potential changes
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.)
Abandoned
Application number
AU2003232216A
Inventor
Andreas Pfaff
Christian Rudel
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.)
Ebm Papst St Georgen GmbH and Co KG
Original Assignee
Papst Motoren GmbH and Co KG
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 Papst Motoren GmbH and Co KG filed Critical Papst Motoren GmbH and Co KG
Publication of AU2003232216A1 publication Critical patent/AU2003232216A1/en
Abandoned 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
    • G01D5/145—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
    • 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
    • G01D5/244—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 characteristics of pulses or pulse trains; generating pulses or pulse trains
    • G01D5/24428—Error prevention
    • 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
    • G01D5/244—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 characteristics of pulses or pulse trains; generating pulses or pulse trains
    • G01D5/24428—Error prevention
    • G01D5/24433—Error prevention by mechanical means
    • G01D5/24438—Special design of the sensing element or scale
    • 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
    • G01D5/244—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 characteristics of pulses or pulse trains; generating pulses or pulse trains
    • G01D5/24471—Error correction
    • G01D5/2448—Correction of gain, threshold, offset or phase control
    • 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
    • G01R33/093—Magnetoresistive devices using multilayer structures, e.g. giant magnetoresistance sensors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Nanotechnology (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Measuring Magnetic Variables (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
AU2003232216A 2002-06-24 2003-04-29 Temperature compensation of a sensor arrangement (gmr) with double-sided potential changes Abandoned AU2003232216A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10228023.1 2002-06-24
DE10228023 2002-06-24
PCT/EP2003/004436 WO2004001341A1 (en) 2002-06-24 2003-04-29 Temperature compensation of a sensor arrangement (gmr) with double-sided potential changes

Publications (1)

Publication Number Publication Date
AU2003232216A1 true AU2003232216A1 (en) 2004-01-06

Family

ID=29761331

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003232216A Abandoned AU2003232216A1 (en) 2002-06-24 2003-04-29 Temperature compensation of a sensor arrangement (gmr) with double-sided potential changes

Country Status (4)

Country Link
EP (1) EP1516159B1 (en)
AU (1) AU2003232216A1 (en)
DE (2) DE50301815D1 (en)
WO (1) WO2004001341A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004009267B3 (en) * 2004-02-26 2005-09-22 Siemens Ag Selection arrangement for magneto-resistive component, has regulated voltage source to generate offset voltage in output branch for adjusting signal hub of magneto-resistive component
DE102004016425B4 (en) * 2004-04-02 2014-03-20 Sick Ag circuitry
EP1907798B1 (en) 2005-07-26 2009-12-02 ebm-papst St. Georgen GmbH & Co. KG Electric motor with an absolute encoder, and method for generating an absolute value for an angle of rotation
EP1955430B1 (en) 2005-12-01 2012-05-23 ebm-papst St. Georgen GmbH & Co. KG Electric motor
JP6316636B2 (en) * 2014-03-31 2018-04-25 アズビル株式会社 Temperature sensor for angle sensor

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4202218A (en) * 1977-09-28 1980-05-13 International Telephone And Telegraph Corporation Bridge circuit
JPS5896202U (en) * 1981-12-23 1983-06-30 株式会社石田衡器製作所 Strain gauge temperature compensation circuit
US5253532A (en) * 1992-03-09 1993-10-19 Timex Corporation Temperature compensated pressure transducer with digital output for low voltage power supply
DE19531386C2 (en) * 1995-08-26 2000-04-06 Haldex Brake Prod Gmbh & Co Kg Evaluation circuit for a thick film pressure sensor
DE19619806A1 (en) * 1996-05-15 1997-11-20 Siemens Ag Magnetic field sensitive sensor device with several GMR sensor elements
EP1178326B1 (en) * 2000-07-05 2005-12-21 Infineon Technologies AG Method and system to determine the orientation of a magnetic field with GMR sensors

Also Published As

Publication number Publication date
EP1516159B1 (en) 2005-11-30
DE10326900A1 (en) 2004-01-22
DE50301815D1 (en) 2006-01-05
WO2004001341A1 (en) 2003-12-31
EP1516159A1 (en) 2005-03-23

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase