GB2355077B - Magnetic field detection - Google Patents

Magnetic field detection

Info

Publication number
GB2355077B
GB2355077B GB0023954A GB0023954A GB2355077B GB 2355077 B GB2355077 B GB 2355077B GB 0023954 A GB0023954 A GB 0023954A GB 0023954 A GB0023954 A GB 0023954A GB 2355077 B GB2355077 B GB 2355077B
Authority
GB
United Kingdom
Prior art keywords
magnetic field
field detection
detection
magnetic
field
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
GB0023954A
Other versions
GB0023954D0 (en
GB2355077A (en
Inventor
Ingo Herrmann
Martin Freitag
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of GB0023954D0 publication Critical patent/GB0023954D0/en
Publication of GB2355077A publication Critical patent/GB2355077A/en
Application granted granted Critical
Publication of GB2355077B publication Critical patent/GB2355077B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Measuring Magnetic Variables (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
GB0023954A 1999-10-06 2000-09-29 Magnetic field detection Expired - Fee Related GB2355077B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19948026A DE19948026B4 (en) 1999-10-06 1999-10-06 Circuit and method for detecting a magnetic field

Publications (3)

Publication Number Publication Date
GB0023954D0 GB0023954D0 (en) 2000-11-15
GB2355077A GB2355077A (en) 2001-04-11
GB2355077B true GB2355077B (en) 2002-02-27

Family

ID=7924625

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0023954A Expired - Fee Related GB2355077B (en) 1999-10-06 2000-09-29 Magnetic field detection

Country Status (3)

Country Link
DE (1) DE19948026B4 (en)
FR (1) FR2799551A1 (en)
GB (1) GB2355077B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4190780B2 (en) 2002-03-18 2008-12-03 株式会社デンソー Rotation detector
DE10249752A1 (en) * 2002-10-25 2004-05-13 Robert Bosch Gmbh Inclination sensor and its use
DE102004019238B3 (en) * 2004-04-16 2005-08-18 Hl-Planar Technik Gmbh Arrangement for determining direction of magnetic fields has differential amplifiers for amplifying differences of signal voltages at central contacts of each 2 voltage dividers of adjacent phase position, evaluation unit

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4533872A (en) * 1982-06-14 1985-08-06 Honeywell Inc. Magnetic field sensor element capable of measuring magnetic field components in two directions
WO1998025155A2 (en) * 1996-12-04 1998-06-11 Koninklijke Philips Electronics N.V. Device for detecting a magnetic field
DE19743335C1 (en) * 1997-09-30 1998-11-12 Siemens Ag Giant magnetoresistive sensor device for external magnetic field detection
US5945825A (en) * 1996-05-15 1999-08-31 Siemens Aktiengesellschaft Magnetic field-sensitive sensor device with a plurality of GMR sensor elements which have predetermined directions of magnetization

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19548385C2 (en) * 1995-12-22 1998-11-12 Siemens Ag Method for determining the angular position of an axis of rotation of an object by a computer
DE19614460A1 (en) * 1996-04-12 1997-10-16 Bosch Gmbh Robert Method for producing a GMR bridge sensor and GMR bridge sensor
FR2773395B1 (en) * 1998-01-05 2000-01-28 Commissariat Energie Atomique LINEAR ANGULAR SENSOR WITH MAGNETORESISTORS

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4533872A (en) * 1982-06-14 1985-08-06 Honeywell Inc. Magnetic field sensor element capable of measuring magnetic field components in two directions
US5945825A (en) * 1996-05-15 1999-08-31 Siemens Aktiengesellschaft Magnetic field-sensitive sensor device with a plurality of GMR sensor elements which have predetermined directions of magnetization
WO1998025155A2 (en) * 1996-12-04 1998-06-11 Koninklijke Philips Electronics N.V. Device for detecting a magnetic field
DE19743335C1 (en) * 1997-09-30 1998-11-12 Siemens Ag Giant magnetoresistive sensor device for external magnetic field detection

Also Published As

Publication number Publication date
DE19948026A1 (en) 2001-04-12
DE19948026B4 (en) 2009-06-10
GB0023954D0 (en) 2000-11-15
GB2355077A (en) 2001-04-11
FR2799551A1 (en) 2001-04-13

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20100929