FR2144987A5 - - Google Patents

Info

Publication number
FR2144987A5
FR2144987A5 FR7124571A FR7124571A FR2144987A5 FR 2144987 A5 FR2144987 A5 FR 2144987A5 FR 7124571 A FR7124571 A FR 7124571A FR 7124571 A FR7124571 A FR 7124571A FR 2144987 A5 FR2144987 A5 FR 2144987A5
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.)
Expired
Application number
FR7124571A
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.)
Alstom Savoisienne SA
Original Assignee
Alstom Savoisienne 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 Alstom Savoisienne SA filed Critical Alstom Savoisienne SA
Priority to FR7124571A priority Critical patent/FR2144987A5/fr
Priority to BE785418A priority patent/BE785418A/fr
Priority to CA146,323A priority patent/CA970434A/en
Priority to IT26628/72A priority patent/IT962442B/it
Priority to US00268978A priority patent/US3753101A/en
Priority to DE2232979A priority patent/DE2232979A1/de
Application granted granted Critical
Publication of FR2144987A5 publication Critical patent/FR2144987A5/fr
Expired 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 
    • G02F1/13—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 liquid crystals, e.g. single liquid crystal display cells
    • G02F1/1313—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 liquid crystals, e.g. single liquid crystal display cells specially adapted for a particular application
    • 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)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Measuring Magnetic Variables (AREA)
FR7124571A 1971-07-05 1971-07-05 Expired FR2144987A5 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR7124571A FR2144987A5 (fr) 1971-07-05 1971-07-05
BE785418A BE785418A (fr) 1971-07-05 1972-06-26 Reducteur de courant a effet faraday
CA146,323A CA970434A (en) 1971-07-05 1972-07-04 Faraday effect current reducer
IT26628/72A IT962442B (it) 1971-07-05 1972-07-05 Riduttore di corrente a effetto faraday
US00268978A US3753101A (en) 1971-07-05 1972-07-05 Faraday effect current measuring device
DE2232979A DE2232979A1 (de) 1971-07-05 1972-07-05 Den faraday-effekt ausnutzender messstromwandler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7124571A FR2144987A5 (fr) 1971-07-05 1971-07-05

Publications (1)

Publication Number Publication Date
FR2144987A5 true FR2144987A5 (fr) 1973-02-16

Family

ID=9079851

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7124571A Expired FR2144987A5 (fr) 1971-07-05 1971-07-05

Country Status (6)

Country Link
US (1) US3753101A (fr)
BE (1) BE785418A (fr)
CA (1) CA970434A (fr)
DE (1) DE2232979A1 (fr)
FR (1) FR2144987A5 (fr)
IT (1) IT962442B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2300994A1 (fr) * 1975-02-12 1976-09-10 Univ Moskovsk Convertisseur de mesure piezo-optique

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2758611A1 (de) * 1977-12-29 1979-07-05 Siemens Ag Anordnung zur magnetooptischen strommessung
US4394069A (en) * 1979-06-05 1983-07-19 Beckman Instruments, Inc. Liquid crystal tuned birefringent filter
EP0088419B1 (fr) * 1982-03-08 1986-06-25 Hitachi, Ltd. Dispositif pour mesurer optiquement un courant
US4683421A (en) * 1985-03-29 1987-07-28 Westinghouse Electric Corp. Drift compensation technique for a magneto-optic current sensor
US4698497A (en) * 1986-05-22 1987-10-06 Westinghouse Electric Corp. Direct current magneto-optic current transformer
US5124634A (en) * 1989-03-14 1992-06-23 Square D Company Ring optical current transducer
FR2646711A1 (fr) * 1989-05-02 1990-11-09 Labo Electronique Physique Dispositif capteur de pression a fibre optique
DE59904579D1 (de) * 1998-12-22 2003-04-17 Siemens Ag Verfahren und anordnung zur optischen erfassung eines elektrischen stroms über lichtsignale mit unterschiedlicher wellenlänge
DE10005372A1 (de) * 2000-02-07 2001-08-23 Bosch Gmbh Robert Verfahren und Vorrichtung zur linearen Strommessung über einen großen Meßbereich
CN101563618B (zh) * 2006-12-12 2011-12-14 Abb技术有限公司 用于磁光电流互感器的时分复用检测器

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH448262A (fr) * 1965-04-10 1967-12-15 Merlin Gerin Dispositif de mesure de courant électro-optique
GB1310233A (en) * 1969-04-11 1973-03-14 Bp Chem Int Ltd Radiation analysers
DE1939912C3 (de) * 1969-08-01 1979-09-13 Siemens Ag, 1000 Berlin Und 8000 Muenchen Meßeinrichtung für Ströme in Hochspannungsleitern
FR2110625A5 (fr) * 1970-10-23 1972-06-02 Alsthom Savoisienne

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2300994A1 (fr) * 1975-02-12 1976-09-10 Univ Moskovsk Convertisseur de mesure piezo-optique

Also Published As

Publication number Publication date
IT962442B (it) 1973-12-20
BE785418A (fr) 1972-12-27
US3753101A (en) 1973-08-14
DE2232979A1 (de) 1973-01-18
CA970434A (en) 1975-07-01

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Legal Events

Date Code Title Description
ST Notification of lapse