WO2008105228A1 - 磁気センサモジュール及び、ピストン位置検出装置 - Google Patents

磁気センサモジュール及び、ピストン位置検出装置 Download PDF

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Publication number
WO2008105228A1
WO2008105228A1 PCT/JP2008/052193 JP2008052193W WO2008105228A1 WO 2008105228 A1 WO2008105228 A1 WO 2008105228A1 JP 2008052193 W JP2008052193 W JP 2008052193W WO 2008105228 A1 WO2008105228 A1 WO 2008105228A1
Authority
WO
WIPO (PCT)
Prior art keywords
magnetic field
sensor module
bias magnetic
magnetic sensor
applying member
Prior art date
Application number
PCT/JP2008/052193
Other languages
English (en)
French (fr)
Inventor
Kazuhisa Itoi
Katsubumi Nagasu
Takuya Aizawa
Osamu Nakao
Original Assignee
Fujikura 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 Fujikura Ltd. filed Critical Fujikura Ltd.
Priority to US12/528,585 priority Critical patent/US20100090692A1/en
Priority to JP2009501166A priority patent/JPWO2008105228A1/ja
Priority to EP08711072A priority patent/EP2117026A4/en
Priority to KR1020097017422A priority patent/KR101122310B1/ko
Publication of WO2008105228A1 publication Critical patent/WO2008105228A1/ja

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
    • 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
    • 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
    • G01D5/147—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 movement of a third element, the position of Hall device and the source of magnetic field being fixed in respect to each other
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/0011—Arrangements or instruments for measuring magnetic variables comprising means, e.g. flux concentrators, flux guides, for guiding or concentrating the magnetic flux, e.g. to the magnetic sensor
    • 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
    • G01R33/07—Hall effect devices
    • 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
    • G01R33/07—Hall effect devices
    • G01R33/072—Constructional adaptation of the sensor to specific applications

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Hall/Mr Elements (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Measuring Magnetic Variables (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Actuator (AREA)

Abstract

　スイッチング動作を行う集積回路を備えた半導体基板と、この半導体基板の一方の面上に設けられ、かつ該一方の面に沿った方向に感磁方向を持つ磁気抵抗素子と、前記半導体基板に設けられ、かつ前記一方の面に平行な面上に配置されたバイアス磁界印加部材とを、備え、前記バイアス磁界印加部材は、該バイアス磁界印加部材が配置された前記面に沿った方向に着磁されており、外部磁界が印加されていない状態では、該バイアス磁界印加部材は、前記磁気抵抗素子が設けられた前記一方の面に沿った方向にバイアス磁界を印加するものである磁気センサモジュールである。
PCT/JP2008/052193 2007-02-26 2008-02-08 磁気センサモジュール及び、ピストン位置検出装置 WO2008105228A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US12/528,585 US20100090692A1 (en) 2007-02-26 2008-02-08 Magnetic sensor module and piston position detector
JP2009501166A JPWO2008105228A1 (ja) 2007-02-26 2008-02-08 磁気センサモジュール及び、ピストン位置検出装置
EP08711072A EP2117026A4 (en) 2007-02-26 2008-02-08 MAGNETIC SENSOR MODULE AND DEVICE FOR DETECTING POSITION OF PISTONS
KR1020097017422A KR101122310B1 (ko) 2007-02-26 2008-02-08 자기 센서 모듈 및 피스톤 위치 검출 장치

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007045295 2007-02-26
JP2007-045295 2007-02-26
JP2007-189692 2007-07-20
JP2007189692 2007-07-20

Publications (1)

Publication Number Publication Date
WO2008105228A1 true WO2008105228A1 (ja) 2008-09-04

Family

ID=39721066

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/052193 WO2008105228A1 (ja) 2007-02-26 2008-02-08 磁気センサモジュール及び、ピストン位置検出装置

Country Status (5)

Country Link
US (1) US20100090692A1 (ja)
EP (2) EP2339362A1 (ja)
JP (1) JPWO2008105228A1 (ja)
KR (1) KR101122310B1 (ja)
WO (1) WO2008105228A1 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014149268A (ja) * 2013-02-04 2014-08-21 Yokogawa Electric Corp 磁気検出装置
JP2015213106A (ja) * 2014-05-01 2015-11-26 武次 廣田 電気抵抗率低下方法、及び、低抵抗率材料
JP2016138851A (ja) * 2015-01-29 2016-08-04 メレキシス テクノロジーズ エヌ ヴィ 変位検出装置

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US20110288535A1 (en) * 2010-05-18 2011-11-24 Christopher Brian Locke Systems and methods for measuring reduced pressure employing an isolated fluid path
SG187083A1 (en) 2010-07-23 2013-03-28 Halliburton Energy Serv Inc Method and apparatus for measuring linear displacment
US10408892B2 (en) * 2013-07-19 2019-09-10 Allegro Microsystems, Llc Magnet with opposing directions of magnetization for a magnetic sensor
JP2020118469A (ja) * 2019-01-18 2020-08-06 艾礼富▲電▼子（深▲セン▼）有限公司Ａｌｅｐｈ Ｅｌｅｃｔｒｏｎｉｃｓ（Ｓｈｅｎｚｈｅｎ）Ｃｏ．，Ｌｔｄ ホール素子又はホールｉｃを用いた磁界検出装置及び磁界検出装置を用いた近接センサ
US20200309983A1 (en) * 2019-03-29 2020-10-01 Ablic Inc. Magnetic substance detection sensor

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JPS533667A (en) * 1976-06-29 1978-01-13 Matsushita Electric Works Ltd Cylinder switch
JPS5930027A (ja) * 1982-08-13 1984-02-17 Toshiba Corp 分光光度計
JPS61172075A (ja) 1984-03-14 1986-08-02 Matsushita Electric Works Ltd 磁気近接スイツチの感度調整方法
JPH0676706A (ja) 1992-08-27 1994-03-18 Nippon Autom Kk 磁性体検出用近接スイッチ
JPH074971A (ja) * 1991-06-10 1995-01-10 Toyota Motor Corp 地磁気センサ
JP2616783B2 (ja) 1987-11-13 1997-06-04 シーケーデイコントロールズ株式会社 流体圧シリンダのピストン位置検出装置
JP2004186040A (ja) 2002-12-04 2004-07-02 Tokai Rika Co Ltd 近接スイッチ
JP2007045295A (ja) 2005-08-09 2007-02-22 Sumitomo Rubber Ind Ltd Ｇｐｓ速度情報を用いたタイヤ内圧低下検知方法
JP2007189692A (ja) 2006-01-14 2007-07-26 Samsung Electronics Co Ltd Ｄｆａに対抗する方法を含むモンゴメリ電力ラダーアルゴリズム

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JPS5830027A (ja) * 1981-08-14 1983-02-22 株式会社山武 近接スイツチ
JPS63122902A (ja) * 1986-11-13 1988-05-26 Ckd Controls Ltd 移動体の位置確認装置
JPH077012B2 (ja) * 1987-08-18 1995-01-30 富士通株式会社 加速度センサ
DE19510579C2 (de) * 1995-03-23 1997-08-21 Inst Physikalische Hochtech Ev Drehwinkel- oder Drehzahlgeber
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS533667A (en) * 1976-06-29 1978-01-13 Matsushita Electric Works Ltd Cylinder switch
JPS5930027A (ja) * 1982-08-13 1984-02-17 Toshiba Corp 分光光度計
JPS61172075A (ja) 1984-03-14 1986-08-02 Matsushita Electric Works Ltd 磁気近接スイツチの感度調整方法
JP2616783B2 (ja) 1987-11-13 1997-06-04 シーケーデイコントロールズ株式会社 流体圧シリンダのピストン位置検出装置
JPH074971A (ja) * 1991-06-10 1995-01-10 Toyota Motor Corp 地磁気センサ
JPH0676706A (ja) 1992-08-27 1994-03-18 Nippon Autom Kk 磁性体検出用近接スイッチ
JP2004186040A (ja) 2002-12-04 2004-07-02 Tokai Rika Co Ltd 近接スイッチ
JP2007045295A (ja) 2005-08-09 2007-02-22 Sumitomo Rubber Ind Ltd Ｇｐｓ速度情報を用いたタイヤ内圧低下検知方法
JP2007189692A (ja) 2006-01-14 2007-07-26 Samsung Electronics Co Ltd Ｄｆａに対抗する方法を含むモンゴメリ電力ラダーアルゴリズム

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See also references of EP2117026A4
TAKEUCHI SHOTARO ET AL.: "MR sensor module", NEC TECHNICAL JOURNAL, vol. 51, no. 4, 1998, pages 106 - 110
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014149268A (ja) * 2013-02-04 2014-08-21 Yokogawa Electric Corp 磁気検出装置
JP2015213106A (ja) * 2014-05-01 2015-11-26 武次 廣田 電気抵抗率低下方法、及び、低抵抗率材料
JP2016138851A (ja) * 2015-01-29 2016-08-04 メレキシス テクノロジーズ エヌ ヴィ 変位検出装置
WO2016121884A1 (ja) * 2015-01-29 2016-08-04 メレキシス テクノロジーズ エヌ ヴィ 変位検出装置
US10352681B2 (en) 2015-01-29 2019-07-16 Melexis Technologies Sa Displacement detection device

Also Published As

Publication number Publication date
EP2117026A4 (en) 2012-03-14
US20100090692A1 (en) 2010-04-15
EP2117026A1 (en) 2009-11-11
JPWO2008105228A1 (ja) 2010-06-03
EP2339362A1 (en) 2011-06-29
KR101122310B1 (ko) 2012-03-21
KR20090121288A (ko) 2009-11-25

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