JPH0373821B2 - - Google Patents

Info

Publication number
JPH0373821B2
JPH0373821B2 JP56071805A JP7180581A JPH0373821B2 JP H0373821 B2 JPH0373821 B2 JP H0373821B2 JP 56071805 A JP56071805 A JP 56071805A JP 7180581 A JP7180581 A JP 7180581A JP H0373821 B2 JPH0373821 B2 JP H0373821B2
Authority
JP
Japan
Prior art keywords
optical
light
output
separation means
output signal
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 - Lifetime
Application number
JP56071805A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57184974A (en
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 filed Critical
Priority to JP56071805A priority Critical patent/JPS57184974A/ja
Publication of JPS57184974A publication Critical patent/JPS57184974A/ja
Publication of JPH0373821B2 publication Critical patent/JPH0373821B2/ja
Granted 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
    • 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

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
  • Measuring Magnetic Variables (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
JP56071805A 1981-05-09 1981-05-09 Photo measuring device Granted JPS57184974A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56071805A JPS57184974A (en) 1981-05-09 1981-05-09 Photo measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56071805A JPS57184974A (en) 1981-05-09 1981-05-09 Photo measuring device

Publications (2)

Publication Number Publication Date
JPS57184974A JPS57184974A (en) 1982-11-13
JPH0373821B2 true JPH0373821B2 (enExample) 1991-11-25

Family

ID=13471143

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56071805A Granted JPS57184974A (en) 1981-05-09 1981-05-09 Photo measuring device

Country Status (1)

Country Link
JP (1) JPS57184974A (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0668508B2 (ja) * 1988-03-03 1994-08-31 日本碍子株式会社 光電流・磁界計測方法及び装置
FR2634553B1 (fr) * 1988-07-21 1990-09-07 Schlumberger Ind Sa Dispositif a capteurs optiques principal et secondaire
AU2002356803A1 (en) 2001-10-16 2003-04-28 James N. Blake Optical interferometric sensor with optical error compensation

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5629174A (en) * 1979-08-17 1981-03-23 Matsushita Electric Ind Co Ltd Electric current measuring device
JPS56112657A (en) * 1980-02-13 1981-09-05 Matsushita Electric Ind Co Ltd Measuring device for current

Also Published As

Publication number Publication date
JPS57184974A (en) 1982-11-13

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