DE69122683D1 - Optische Magnetfeldfühler - Google Patents

Optische Magnetfeldfühler

Info

Publication number
DE69122683D1
DE69122683D1 DE69122683T DE69122683T DE69122683D1 DE 69122683 D1 DE69122683 D1 DE 69122683D1 DE 69122683 T DE69122683 T DE 69122683T DE 69122683 T DE69122683 T DE 69122683T DE 69122683 D1 DE69122683 D1 DE 69122683D1
Authority
DE
Germany
Prior art keywords
magnetic field
field sensors
optical magnetic
optical
sensors
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
DE69122683T
Other languages
English (en)
Other versions
DE69122683T2 (de
Inventor
Shoji Seike
Masanobu Yamamoto
Hisakazu Okajima
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.)
NGK Insulators Ltd
Original Assignee
NGK Insulators 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 NGK Insulators Ltd filed Critical NGK Insulators Ltd
Application granted granted Critical
Publication of DE69122683D1 publication Critical patent/DE69122683D1/de
Publication of DE69122683T2 publication Critical patent/DE69122683T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G01R15/24—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices
    • G01R15/245—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices using magneto-optical modulators, e.g. based on the Faraday or Cotton-Mouton effect
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/0047—Housings or packaging of magnetic sensors ; Holders
    • 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
    • G01R33/032—Measuring direction or magnitude of magnetic fields or magnetic flux using magneto-optic devices, e.g. Faraday or Cotton-Mouton effect
    • G01R33/0322—Measuring direction or magnitude of magnetic fields or magnetic flux using magneto-optic devices, e.g. Faraday or Cotton-Mouton effect using the Faraday or Voigt effect

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Measuring Magnetic Variables (AREA)
  • Locating Faults (AREA)
DE69122683T 1990-07-19 1991-07-15 Optische Magnetfeldfühler Expired - Fee Related DE69122683T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2189450A JPH0476476A (ja) 1990-07-19 1990-07-19 光磁界センサ

Publications (2)

Publication Number Publication Date
DE69122683D1 true DE69122683D1 (de) 1996-11-21
DE69122683T2 DE69122683T2 (de) 1997-03-13

Family

ID=16241456

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69122683T Expired - Fee Related DE69122683T2 (de) 1990-07-19 1991-07-15 Optische Magnetfeldfühler

Country Status (7)

Country Link
US (1) US5202629A (de)
EP (1) EP0467620B1 (de)
JP (1) JPH0476476A (de)
KR (1) KR960013755B1 (de)
AU (1) AU633746B2 (de)
CA (1) CA2047378C (de)
DE (1) DE69122683T2 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0477415B1 (de) * 1990-09-28 1996-03-20 Asea Brown Boveri Ag Optischer Stromwandler
JPH079441B2 (ja) * 1991-03-20 1995-02-01 日本碍子株式会社 光応用センサおよびその製造方法
US5493220A (en) * 1993-03-05 1996-02-20 Northeastern University Magneto-optic Kerr effect stress sensing system
US5631559A (en) * 1993-03-05 1997-05-20 Northeastern University Method and apparatus for performing magnetic field measurements using magneto-optic kerr effect sensors
US5485079A (en) 1993-03-29 1996-01-16 Matsushita Electric Industrial Co., Ltd. Magneto-optical element and optical magnetic field sensor
JP3258520B2 (ja) * 1994-12-12 2002-02-18 松下電器産業株式会社 光ファイバセンサ及びその製造方法
JP3231213B2 (ja) * 1995-04-04 2001-11-19 松下電器産業株式会社 光センサ装置及びその製造方法
JP3488565B2 (ja) * 1996-01-22 2004-01-19 株式会社東芝 光応用測定装置とその製造方法
JPH09230013A (ja) 1996-02-21 1997-09-05 Matsushita Electric Ind Co Ltd 光磁界センサプローブ及び磁気光学素子
US6333809B1 (en) 1996-02-21 2001-12-25 Matsushita Electric Industrial Co., Ltd. Magneto-optical element
US6756781B2 (en) 2001-11-15 2004-06-29 Airak, Inc. Sensor for optically measuring magnetic fields
US20050237051A1 (en) * 2004-03-05 2005-10-27 Airak, Inc. Optical current sensor with flux concentrator and method of attachment for non-circular conductors
JP7300673B2 (ja) * 2019-07-31 2023-06-30 シチズンファインデバイス株式会社 干渉型光磁界センサ装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2471608A1 (fr) * 1979-12-14 1981-06-19 Thomson Csf Tete de mesure pour magnetometre, et magnetometre comprenant une telle tete
US4507787A (en) * 1982-09-28 1985-03-26 Quantronix Corporation Segmented YAG laser rods and methods of manufacture
EP0137716B1 (de) * 1983-09-09 1988-12-14 Nippon Telegraph And Telephone Corporation Klebemittel zur Anwendung in der Optik
JPS60205379A (ja) * 1984-03-30 1985-10-16 Sumitomo Electric Ind Ltd 光応用磁界センサ
JPS6254170A (ja) * 1985-09-02 1987-03-09 Mitsubishi Electric Corp 光計測装置
EP0239351B1 (de) * 1986-03-24 1994-01-26 Nippon Telegraph And Telephone Corporation Epoxy(meth)acrylatharz, Verfahren zu dessen Herstellung, und Klebstoffzusammensetzung, die dasselbe enthält
JPS6347723A (ja) * 1986-08-15 1988-02-29 Ngk Insulators Ltd 光学素子複合体よりなる光センサ
FR2603705B1 (fr) * 1986-09-05 1988-10-28 Thomson Csf Tete de mesure de champ magnetique integree et son procede de realisation
JPS63210911A (ja) * 1987-02-27 1988-09-01 Ngk Insulators Ltd 光学素子複合体
JPS6427984A (en) * 1987-07-24 1989-01-30 Brother Ind Ltd Control system for line-type recording head
JPH0718889B2 (ja) * 1988-03-25 1995-03-06 日本碍子株式会社 光部品
JPH0731232B2 (ja) * 1988-06-10 1995-04-10 松下電器産業株式会社 磁界測定装置
JP2505542B2 (ja) * 1988-07-28 1996-06-12 日本碍子株式会社 光学素子および光磁界検出センサ
JPH087255B2 (ja) * 1990-08-30 1996-01-29 日本碍子株式会社 光磁界センサ及びその製造方法

Also Published As

Publication number Publication date
AU633746B2 (en) 1993-02-04
KR960013755B1 (ko) 1996-10-10
DE69122683T2 (de) 1997-03-13
EP0467620A3 (en) 1992-09-30
US5202629A (en) 1993-04-13
AU8042591A (en) 1992-01-23
CA2047378C (en) 1998-05-12
CA2047378A1 (en) 1992-01-20
EP0467620A2 (de) 1992-01-22
EP0467620B1 (de) 1996-10-16
JPH0476476A (ja) 1992-03-11
KR920003062A (ko) 1992-02-29

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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