DE69903921D1 - Magnetoresistiver detektor - Google Patents

Magnetoresistiver detektor

Info

Publication number
DE69903921D1
DE69903921D1 DE69903921T DE69903921T DE69903921D1 DE 69903921 D1 DE69903921 D1 DE 69903921D1 DE 69903921 T DE69903921 T DE 69903921T DE 69903921 T DE69903921 T DE 69903921T DE 69903921 D1 DE69903921 D1 DE 69903921D1
Authority
DE
Germany
Prior art keywords
magnetoresistive detector
magnetoresistive
detector
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
DE69903921T
Other languages
English (en)
Other versions
DE69903921T2 (de
Inventor
Takuya Ohkawa
Rirou Senda
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.)
Yaskawa Electric Corp
Original Assignee
Yaskawa Electric 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 Yaskawa Electric Corp filed Critical Yaskawa Electric Corp
Publication of DE69903921D1 publication Critical patent/DE69903921D1/de
Application granted granted Critical
Publication of DE69903921T2 publication Critical patent/DE69903921T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • 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
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/30—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes
    • 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)
DE69903921T 1998-01-28 1999-01-04 Magnetoresistiver detektor Expired - Fee Related DE69903921T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP03208698A JP3941082B2 (ja) 1998-01-28 1998-01-28 磁気式検出器
PCT/JP1999/000003 WO1999039157A1 (fr) 1998-01-28 1999-01-04 Detecteur magnetoresistant

Publications (2)

Publication Number Publication Date
DE69903921D1 true DE69903921D1 (de) 2002-12-19
DE69903921T2 DE69903921T2 (de) 2003-07-10

Family

ID=12349081

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69903921T Expired - Fee Related DE69903921T2 (de) 1998-01-28 1999-01-04 Magnetoresistiver detektor

Country Status (7)

Country Link
US (1) US6356074B1 (de)
EP (1) EP1052474B1 (de)
JP (1) JP3941082B2 (de)
KR (1) KR100567728B1 (de)
CN (1) CN1174215C (de)
DE (1) DE69903921T2 (de)
WO (1) WO1999039157A1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7592898B1 (en) * 1999-03-09 2009-09-22 Keystone Technology Solutions, Llc Wireless communication systems, interrogators and methods of communicating within a wireless communication system
US6603391B1 (en) * 1999-03-09 2003-08-05 Micron Technology, Inc. Phase shifters, interrogators, methods of shifting a phase angle of a signal, and methods of operating an interrogator
US6356764B1 (en) * 1999-03-09 2002-03-12 Micron Technology, Inc. Wireless communication systems, interrogators and methods of communicating within a wireless communication system
DE10104453A1 (de) * 2001-02-01 2002-08-08 Philips Corp Intellectual Pty Anordnung zum Messen der magnetischen Feldstärke
JP3877998B2 (ja) * 2001-11-05 2007-02-07 株式会社山武 角度センサの温度情報検出装置および位置検出装置
US20040017192A1 (en) * 2002-04-15 2004-01-29 Clymer Technologies, Llc 3-axis magnetic angular orientation sensor
US6850136B2 (en) * 2002-09-04 2005-02-01 Honeywell International Inc. Magnetoresistive based electronic switch
JP4317855B2 (ja) * 2006-02-15 2009-08-19 三菱電機株式会社 磁気検出装置
US20100294603A1 (en) * 2006-12-22 2010-11-25 St Clair Kenneth A Brake with field responsive material
JP5240429B2 (ja) * 2008-01-28 2013-07-17 株式会社安川電機 磁気式エンコーダ
JP5166068B2 (ja) * 2008-02-26 2013-03-21 株式会社東海理化電機製作所 位置検出装置及びシフトレバー装置
JP5523983B2 (ja) * 2010-08-17 2014-06-18 浜松光電株式会社 磁気センサのための補正方法及び磁気センサの評価方法
JP5234525B2 (ja) * 2010-11-05 2013-07-10 株式会社安川電機 磁気式エンコーダ、サーボモータ及びサーボユニット
CN102841324A (zh) * 2012-09-05 2012-12-26 复旦大学 一种各向异性磁阻器件的电路结构
WO2014172531A1 (en) * 2013-04-19 2014-10-23 Zetec, Inc. Eddy current inspection probe based on magnetoresistive sensors
US20170016745A1 (en) * 2014-03-24 2017-01-19 Panasonic Intellectual Property Management Co., Ltd. Magnetic sensor
WO2016056179A1 (ja) * 2014-10-09 2016-04-14 パナソニックＩｐマネジメント株式会社 磁気センサ
WO2016185676A1 (ja) * 2015-05-15 2016-11-24 パナソニックＩｐマネジメント株式会社 磁気センサ
DE102016124948B4 (de) * 2016-12-20 2019-05-29 Infineon Technologies Ag Magnetische Winkelsensorvorrichtung und Betriebsverfahren

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5613244B2 (de) * 1974-07-31 1981-03-27
US4853632A (en) * 1981-02-07 1989-08-01 Hitachi, Ltd. Apparatus for magnetically detecting a position of a movable magnetic body
JPS59142417A (ja) * 1983-02-03 1984-08-15 Nippon Denso Co Ltd 磁気検出装置
JPH07112080B2 (ja) * 1988-03-04 1995-11-29 株式会社日本オートメーション 磁気抵抗素子
JPH0368882A (ja) * 1989-08-09 1991-03-25 Sanyo Electric Co Ltd 磁気センサとその製造方法
JPH04108373A (ja) 1990-08-29 1992-04-09 Mitsui Petrochem Ind Ltd 培地の供給装置並びに苗切片等の自動置床装置
JPH04108373U (ja) * 1991-02-26 1992-09-18 長野日本電産株式会社 モータ
JPH04309801A (ja) 1991-04-06 1992-11-02 Aisan Ind Co Ltd 回転角度センサ
JP2527856B2 (ja) 1991-06-18 1996-08-28 三菱電機株式会社 磁気センサ
JPH08204254A (ja) * 1995-01-24 1996-08-09 Sony Corp モータ
JP3056674B2 (ja) 1995-10-12 2000-06-26 株式会社三協精機製作所 回転検出装置

Also Published As

Publication number Publication date
EP1052474A1 (de) 2000-11-15
US6356074B1 (en) 2002-03-12
JP3941082B2 (ja) 2007-07-04
KR20010034405A (ko) 2001-04-25
WO1999039157A1 (fr) 1999-08-05
CN1295664A (zh) 2001-05-16
KR100567728B1 (ko) 2006-04-04
EP1052474A4 (de) 2001-02-28
JPH11211409A (ja) 1999-08-06
DE69903921T2 (de) 2003-07-10
CN1174215C (zh) 2004-11-03
EP1052474B1 (de) 2002-11-13

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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