JP4274420B2 - 磁界センサー - Google Patents

磁界センサー Download PDF

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Publication number
JP4274420B2
JP4274420B2 JP2003500590A JP2003500590A JP4274420B2 JP 4274420 B2 JP4274420 B2 JP 4274420B2 JP 2003500590 A JP2003500590 A JP 2003500590A JP 2003500590 A JP2003500590 A JP 2003500590A JP 4274420 B2 JP4274420 B2 JP 4274420B2
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JP
Japan
Prior art keywords
magnetic field
ferromagnetic core
field sensor
semiconductor chip
coil
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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
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JP2003500590A
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English (en)
Japanese (ja)
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JP2004527772A5 (enExample
JP2004527772A (ja
Inventor
ポポヴィック，ラディボジェ
ラクツ，ロバート
スコット，クリスチャン
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Melexis Technologies SA
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Melexis Technologies SA
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Publication of JP2004527772A5 publication Critical patent/JP2004527772A5/ja
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Publication of JP4274420B2 publication Critical patent/JP4274420B2/ja
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    • 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
    • G01R33/04—Measuring direction or magnitude of magnetic fields or magnetic flux using the flux-gate principle
    • G01R33/05—Measuring direction or magnitude of magnetic fields or magnetic flux using the flux-gate principle in thin-film element

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  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Magnetic Variables (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
JP2003500590A 2001-05-25 2002-05-21 磁界センサー Expired - Lifetime JP4274420B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP01810518A EP1260825A1 (de) 2001-05-25 2001-05-25 Magnetfeldsensor
PCT/EP2002/005559 WO2002097463A2 (de) 2001-05-25 2002-05-21 Magnetfeldsensor

Publications (3)

Publication Number Publication Date
JP2004527772A JP2004527772A (ja) 2004-09-09
JP2004527772A5 JP2004527772A5 (enExample) 2005-08-18
JP4274420B2 true JP4274420B2 (ja) 2009-06-10

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JP2003500590A Expired - Lifetime JP4274420B2 (ja) 2001-05-25 2002-05-21 磁界センサー

Country Status (7)

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US (1) US7038448B2 (enExample)
EP (2) EP1260825A1 (enExample)
JP (1) JP4274420B2 (enExample)
AT (1) ATE422055T1 (enExample)
AU (1) AU2002314091A1 (enExample)
DE (1) DE50213256D1 (enExample)
WO (1) WO2002097463A2 (enExample)

Families Citing this family (121)

* Cited by examiner, † Cited by third party
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US9377285B2 (en) 2013-02-13 2016-06-28 Allegro Microsystems, Llc Magnetic field sensor and related techniques that provide varying current spinning phase sequences of a magnetic field sensing element
US10725100B2 (en) 2013-03-15 2020-07-28 Allegro Microsystems, Llc Methods and apparatus for magnetic sensor having an externally accessible coil
US9099638B2 (en) 2013-03-15 2015-08-04 Allegro Microsystems, Llc Vertical hall effect element with structures to improve sensitivity
US9810519B2 (en) 2013-07-19 2017-11-07 Allegro Microsystems, Llc Arrangements for magnetic field sensors that act as tooth detectors
US10145908B2 (en) 2013-07-19 2018-12-04 Allegro Microsystems, Llc Method and apparatus for magnetic sensor producing a changing magnetic field
US10495699B2 (en) 2013-07-19 2019-12-03 Allegro Microsystems, Llc Methods and apparatus for magnetic sensor having an integrated coil or magnet to detect a non-ferromagnetic target
US9400164B2 (en) 2013-07-22 2016-07-26 Allegro Microsystems, Llc Magnetic field sensor and related techniques that provide an angle correction module
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US10120042B2 (en) 2013-12-23 2018-11-06 Allegro Microsystems, Llc Magnetic field sensor and related techniques that inject a synthesized error correction signal into a signal channel to result in reduced error
US9574867B2 (en) 2013-12-23 2017-02-21 Allegro Microsystems, Llc Magnetic field sensor and related techniques that inject an error correction signal into a signal channel to result in reduced error
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US9547048B2 (en) * 2014-01-14 2017-01-17 Allegro Micosystems, LLC Circuit and method for reducing an offset component of a plurality of vertical hall elements arranged in a circle
US9645220B2 (en) 2014-04-17 2017-05-09 Allegro Microsystems, Llc Circuits and methods for self-calibrating or self-testing a magnetic field sensor using phase discrimination
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US11163022B2 (en) 2015-06-12 2021-11-02 Allegro Microsystems, Llc Magnetic field sensor for angle detection with a phase-locked loop
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Also Published As

Publication number Publication date
WO2002097463A2 (de) 2002-12-05
DE50213256D1 (de) 2009-03-19
WO2002097463A3 (de) 2003-07-10
ATE422055T1 (de) 2009-02-15
AU2002314091A1 (en) 2002-12-09
EP1395844A2 (de) 2004-03-10
JP2004527772A (ja) 2004-09-09
US20040232913A1 (en) 2004-11-25
EP1395844B1 (de) 2009-01-28
EP1260825A1 (de) 2002-11-27
US7038448B2 (en) 2006-05-02

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