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TWI266059B - Magnetic detector - Google Patents

Magnetic detector

Info

Publication number
TWI266059B
TWI266059B TW091112008A TW91112008A TWI266059B TW I266059 B TWI266059 B TW I266059B TW 091112008 A TW091112008 A TW 091112008A TW 91112008 A TW91112008 A TW 91112008A TW I266059 B TWI266059 B TW I266059B
Authority
TW
Taiwan
Prior art keywords
magnetic
magnetic detector
power consumption
negative return
coil
Prior art date
Application number
TW091112008A
Other languages
English (en)
Inventor
Takahiro Kudo
Yujiro Kitaide
Original Assignee
Fuji Electric Co Ltd
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 Fuji Electric Co Ltd filed Critical Fuji Electric Co Ltd
Application granted granted Critical
Publication of TWI266059B publication Critical patent/TWI266059B/zh

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Measuring Magnetic Variables (AREA)
  • Hall/Mr Elements (AREA)
  • Geophysics And Detection Of Objects (AREA)
TW091112008A 2001-06-06 2002-06-04 Magnetic detector TWI266059B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001171078A JP2002365350A (ja) 2001-06-06 2001-06-06 磁気検出装置

Publications (1)

Publication Number Publication Date
TWI266059B true TWI266059B (en) 2006-11-11

Family

ID=19012905

Family Applications (1)

Application Number Title Priority Date Filing Date
TW091112008A TWI266059B (en) 2001-06-06 2002-06-04 Magnetic detector

Country Status (8)

Country Link
US (1) US6879153B2 (zh)
EP (1) EP1403648B1 (zh)
JP (1) JP2002365350A (zh)
KR (1) KR100750439B1 (zh)
CN (1) CN100495044C (zh)
DE (1) DE60239334D1 (zh)
TW (1) TWI266059B (zh)
WO (1) WO2002101396A1 (zh)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI221929B (en) 2001-10-09 2004-10-11 Fuji Electric Co Ltd Overload current protection apparatus
US7304475B2 (en) * 2003-03-25 2007-12-04 Honeywell Federal Manufacturing & Technologies Mechanism for and method of biasing magnetic sensor
JP4845335B2 (ja) * 2003-05-21 2011-12-28 キヤノン株式会社 データストリーム送信装置及びデータストリーム受信装置
JP4483497B2 (ja) * 2004-09-16 2010-06-16 富士ゼロックス株式会社 磁性体検知装置
JP4725600B2 (ja) 2008-06-10 2011-07-13 愛知製鋼株式会社 マグネトインピーダンスセンサ素子
US20100188078A1 (en) * 2009-01-28 2010-07-29 Andrea Foletto Magnetic sensor with concentrator for increased sensing range
CN102183736B (zh) * 2011-02-28 2013-10-02 上海奥波信息科技有限公司 一种弱磁场测量装置及方法
CN102707246B (zh) * 2011-03-28 2016-01-20 新科实业有限公司 测量隧道磁电阻传感器中纵向偏磁场的方法
JP5533826B2 (ja) * 2011-09-19 2014-06-25 株式会社デンソー 電流センサおよび電流センサの組み付け構造
US8629539B2 (en) 2012-01-16 2014-01-14 Allegro Microsystems, Llc Methods and apparatus for magnetic sensor having non-conductive die paddle
US9812588B2 (en) 2012-03-20 2017-11-07 Allegro Microsystems, Llc Magnetic field sensor integrated circuit with integral ferromagnetic material
US9494660B2 (en) 2012-03-20 2016-11-15 Allegro Microsystems, Llc Integrated circuit package having a split lead frame
US9666788B2 (en) 2012-03-20 2017-05-30 Allegro Microsystems, Llc Integrated circuit package having a split lead frame
US10234513B2 (en) 2012-03-20 2019-03-19 Allegro Microsystems, Llc Magnetic field sensor integrated circuit with integral ferromagnetic material
US9817078B2 (en) 2012-05-10 2017-11-14 Allegro Microsystems Llc Methods and apparatus for magnetic sensor having integrated coil
US10725100B2 (en) * 2013-03-15 2020-07-28 Allegro Microsystems, Llc Methods and apparatus for magnetic sensor having an externally accessible coil
US9411025B2 (en) 2013-04-26 2016-08-09 Allegro Microsystems, Llc Integrated circuit package having a split lead frame and a magnet
JP2016057190A (ja) * 2014-09-10 2016-04-21 愛知製鋼株式会社 磁界測定装置
JP6370768B2 (ja) * 2015-11-26 2018-08-08 矢崎総業株式会社 磁界検出センサ
CN105606877B (zh) * 2016-02-22 2019-01-04 宁波中车时代传感技术有限公司 一种闭环tmr电流传感器
AU2017330454B2 (en) * 2016-09-26 2022-08-18 Magic Leap, Inc. Calibration of magnetic and optical sensors in a virtual reality or augmented reality display system
CN107290694B (zh) * 2017-07-18 2020-12-18 上海交通大学 抑制方向串扰的电感型磁传感器及其制备方法
US10921391B2 (en) 2018-08-06 2021-02-16 Allegro Microsystems, Llc Magnetic field sensor with spacer
US10991644B2 (en) 2019-08-22 2021-04-27 Allegro Microsystems, Llc Integrated circuit package having a low profile

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3266736B2 (ja) * 1994-05-17 2002-03-18 三菱電機株式会社 磁気センサ
EP0892276A3 (en) * 1997-07-14 2001-05-30 Alps Electric Co., Ltd. Magnetic sensor
WO1999006848A1 (fr) * 1997-07-29 1999-02-11 Unitika Ltd. Dispositif a effet d'impedance magnetique
JP2000081471A (ja) 1998-06-30 2000-03-21 Aichi Steel Works Ltd 熱衝撃および機械振動に優れた磁気インピーダンス素子及び磁気インピーダンスセンサ
TW434411B (en) * 1998-10-14 2001-05-16 Tdk Corp Magnetic sensor apparatus, current sensor apparatus and magnetic sensing element
JP2000193729A (ja) * 1998-12-24 2000-07-14 Alps Electric Co Ltd 磁気インピーダンス効果素子の駆動回路
JP2000258464A (ja) 1999-03-09 2000-09-22 Mitsubishi Materials Corp 電流センサ
JP2000284028A (ja) * 1999-03-30 2000-10-13 Kaneo Mori 薄膜磁性体ｍｉ素子
JP3764834B2 (ja) * 1999-10-22 2006-04-12 キヤノン電子株式会社 電流センサー及び電流検出装置
JP2001296127A (ja) 2000-04-13 2001-10-26 Aichi Steel Works Ltd 磁場検出装置

Also Published As

Publication number Publication date
CN100495044C (zh) 2009-06-03
US6879153B2 (en) 2005-04-12
EP1403648B1 (en) 2011-03-02
KR20030031142A (ko) 2003-04-18
KR100750439B1 (ko) 2007-08-22
WO2002101396A1 (fr) 2002-12-19
DE60239334D1 (de) 2011-04-14
CN1513119A (zh) 2004-07-14
EP1403648A1 (en) 2004-03-31
EP1403648A4 (en) 2005-01-26
US20040207398A1 (en) 2004-10-21
JP2002365350A (ja) 2002-12-18

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees