FR2006742A1 - - Google Patents

Info

Publication number
FR2006742A1
FR2006742A1 FR6912397A FR6912397A FR2006742A1 FR 2006742 A1 FR2006742 A1 FR 2006742A1 FR 6912397 A FR6912397 A FR 6912397A FR 6912397 A FR6912397 A FR 6912397A FR 2006742 A1 FR2006742 A1 FR 2006742A1
Authority
FR
France
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.)
Withdrawn
Application number
FR6912397A
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.)
BBC Brown Boveri AG Switzerland
BBC Brown Boveri France SA
Original Assignee
Brown Boveri und Cie AG Switzerland
BBC Brown Boveri France SA
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 Brown Boveri und Cie AG Switzerland, BBC Brown Boveri France SA filed Critical Brown Boveri und Cie AG Switzerland
Publication of FR2006742A1 publication Critical patent/FR2006742A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/09—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on magneto-optical elements, e.g. exhibiting Faraday effect
    • 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
    • G01R15/246—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 based on the Faraday, i.e. linear magneto-optic, effect

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
FR6912397A 1968-04-23 1969-04-21 Withdrawn FR2006742A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH600568A CH482200A (de) 1968-04-23 1968-04-23 Verfahren und Einrichtung zur Messung der zeitlichen Änderung der Feldstärke eines Magnetfeldes

Publications (1)

Publication Number Publication Date
FR2006742A1 true FR2006742A1 (fr) 1970-01-02

Family

ID=4302785

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6912397A Withdrawn FR2006742A1 (fr) 1968-04-23 1969-04-21

Country Status (7)

Country Link
US (1) US3621390A (fr)
AT (1) AT280413B (fr)
CH (1) CH482200A (fr)
DE (1) DE1918730A1 (fr)
FR (1) FR2006742A1 (fr)
NL (1) NL6810443A (fr)
SE (1) SE346856B (fr)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2067547A5 (fr) * 1969-11-06 1971-08-20 Alsthom Savoisienne
US3943367A (en) * 1975-06-10 1976-03-09 The United States Of America As Represented By The Secretary Of The Army High frequency optically coupled differential voltage probe with logarithmic response
JPS53113401A (en) * 1977-03-16 1978-10-03 Hitachi Ltd Light communication system
US4363061A (en) * 1980-06-10 1982-12-07 Westinghouse Electric Corp. Electric motor and transformer load sensing technique
JPS5737277A (en) * 1980-08-18 1982-03-01 Hitachi Ltd Measuring device for magnetic field
US4433291A (en) * 1981-01-09 1984-02-21 The United States Of America As Represented By The Secretary Of The Navy Optical fiber for magnetostrictive responsive detection of magnetic fields
JPS57196165A (en) * 1981-05-28 1982-12-02 Iwatsu Electric Co Ltd Light intensity modulation measuring device
JPS5897669A (ja) * 1981-12-07 1983-06-10 Sumitomo Electric Ind Ltd 磁界−光変換器
JPS58129372A (ja) * 1982-01-29 1983-08-02 Sumitomo Electric Ind Ltd 磁界−光変換器
JPS58139082A (ja) * 1982-02-15 1983-08-18 Hitachi Ltd 磁界測定装置
JPS5919875A (ja) * 1982-07-27 1984-02-01 Toshiba Corp 磁界測定装置
DE3341265A1 (de) * 1983-11-15 1985-05-23 Phönix Armaturen-Werke Bregel GmbH, 6000 Frankfurt Messgeraet
JP2527965B2 (ja) * 1987-05-31 1996-08-28 浜松ホトニクス株式会社 電圧検出装置
JPH0695113B2 (ja) * 1987-06-10 1994-11-24 浜松ホトニクス株式会社 電圧検出装置
US5124634A (en) * 1989-03-14 1992-06-23 Square D Company Ring optical current transducer
US5109461A (en) * 1991-05-10 1992-04-28 Churchill David L Fiber optics light device
US5149962A (en) * 1991-06-03 1992-09-22 Simmonds Precision Products, Inc. Proximity detector using faraday effect and bidirectional transmission
ES2043553B1 (es) * 1992-05-27 1996-11-16 Alcatel Standard Electrica Sistema magnetooptico para medir la velocidad angular de un eje.
US5568049A (en) * 1993-10-22 1996-10-22 The United States Of America As Represented By The Secretary Of The Navy Fiber optic faraday flux transformer sensor and system
US5408092A (en) * 1993-12-09 1995-04-18 Simmonds Precision Products, Inc. Multiple optic sensor system
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
US6333809B1 (en) 1996-02-21 2001-12-25 Matsushita Electric Industrial Co., Ltd. Magneto-optical element
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
DE102014207376A1 (de) * 2014-04-17 2015-10-22 Siemens Aktiengesellschaft Elektrische Maschine mit Magnetfeldsensor zur Läuferkurzschlusserkennung
GB2613593A (en) * 2021-12-07 2023-06-14 Univ Newcastle Electrochemical device monitoring

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3495892A (en) * 1966-01-21 1970-02-17 Rca Corp Split beam light modulator
FR1484686A (fr) * 1966-03-16 1967-06-16 Merlin Gerin Réducteur de tension magnéto-optique

Also Published As

Publication number Publication date
DE1918730A1 (de) 1969-11-06
CH482200A (de) 1969-11-30
NL6810443A (fr) 1969-10-27
SE346856B (fr) 1972-07-17
US3621390A (en) 1971-11-16
AT280413B (de) 1970-04-10

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Legal Events

Date Code Title Description
ST Notification of lapse