GB1333152A - Electro-optical measuring apparatus - Google Patents

Electro-optical measuring apparatus

Info

Publication number
GB1333152A
GB1333152A GB1668971A GB1668971A GB1333152A GB 1333152 A GB1333152 A GB 1333152A GB 1668971 A GB1668971 A GB 1668971A GB 1668971 A GB1668971 A GB 1668971A GB 1333152 A GB1333152 A GB 1333152A
Authority
GB
United Kingdom
Prior art keywords
signals
produce
amplified
current
levels
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
Application number
GB1668971A
Other languages
English (en)
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 and CIE
BBC Brown Boveri AG Switzerland
Original Assignee
BBC BROWN BOVERI and CIE
BBC Brown Boveri AG Switzerland
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 BBC BROWN BOVERI and CIE, BBC Brown Boveri AG Switzerland filed Critical BBC BROWN BOVERI and CIE
Publication of GB1333152A publication Critical patent/GB1333152A/en
Expired 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
    • G01R15/247—Details of the circuitry or construction of devices covered by G01R15/241 - G01R15/246

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
GB1668971A 1970-05-26 1971-05-24 Electro-optical measuring apparatus Expired GB1333152A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH778470A CH520321A (de) 1970-05-26 1970-05-26 Verfahren und Anordnung zur Umformung des Signalflusses in einer lichtelektrischen Messeinrichtung

Publications (1)

Publication Number Publication Date
GB1333152A true GB1333152A (en) 1973-10-10

Family

ID=4330412

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1668971A Expired GB1333152A (en) 1970-05-26 1971-05-24 Electro-optical measuring apparatus

Country Status (7)

Country Link
US (1) US3769584A (enExample)
CA (1) CA942385A (enExample)
CH (1) CH520321A (enExample)
DE (1) DE2042560B2 (enExample)
FR (1) FR2103658A5 (enExample)
GB (1) GB1333152A (enExample)
NL (1) NL7107042A (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2333242C2 (de) * 1973-06-29 1974-12-05 Siemens Ag, 1000 Berlin Und 8000 Muenchen Digitaler magnetooptischer Meßwandler für Hochspannung
DE2541072C3 (de) * 1975-09-15 1979-08-30 Siemens Ag, 1000 Berlin Und 8000 Muenchen Magnetooptischer Meßwandler zur Herstellung von Hochspannungsströmen
DE2543134A1 (de) * 1975-09-26 1977-04-07 Siemens Ag Magnetooptischer hochspannungsstrom- messwandler
JPS52119367A (en) * 1976-03-31 1977-10-06 Ono Yutaka Method and apparatus for detecting voltage using phototransformer
US4267509A (en) * 1978-11-01 1981-05-12 Graham W Gordon Magneto-optical colloidal cell and device
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
FR2613839B1 (fr) * 1987-04-10 1990-11-16 Alsthom Procede de mise a jour du facteur d'echelle d'un appareil de mesure d'intensite d'un courant electrique alternatif par effet faraday
US4904931A (en) * 1988-09-28 1990-02-27 Westinghouse Electric Corp. Electro-optical voltage measuring system incorporating a method and apparatus to derive the measured voltage waveform from two phase shifted electrical signals
US5124634A (en) * 1989-03-14 1992-06-23 Square D Company Ring optical current transducer
DE3923803A1 (de) * 1989-07-19 1991-01-31 Messwandler Bau Ag Faseroptische anordnung zum messen der staerke eines elektrischen stromes
DE4334469C2 (de) * 1993-10-11 1996-08-14 Felten & Guilleaume Energie Anordnung zur Auswertung des Meßwerts eines Meßwandlers
CA2255762C (en) * 1996-05-31 2002-06-25 Rensselaer Polytechnic Institute Electro-optical and magneto-optical sensing apparatus and method for characterizing free-space electromagnetic radiation
EP3183585A1 (en) * 2014-08-19 2017-06-28 ABB Schweiz AG Optical sensor with spun birefringent sensing fiber

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH442520A (fr) * 1965-04-10 1967-08-31 Merlin Gerin Dispositif de mesure électro-optique de courant
US3268879A (en) * 1965-11-01 1966-08-23 Sperry Rand Corp Magneto-optic readout system
FR92378E (fr) * 1967-01-18 1968-10-31 Merlin Gerin Perfectionnements aux réducteurs de courant optiques
FR1541816A (fr) * 1967-09-01 1968-10-11 Merlin Gerin Perfectionnements aux dispositifs de mesure électro-optique d'une grandeur électrique
US3590249A (en) * 1968-10-02 1971-06-29 Ibm Optical read system

Also Published As

Publication number Publication date
CA942385A (en) 1974-02-19
FR2103658A5 (enExample) 1972-04-14
US3769584A (en) 1973-10-30
NL7107042A (enExample) 1971-11-30
CH520321A (de) 1972-03-15
DE2042560A1 (de) 1971-12-09
DE2042560B2 (de) 1972-09-28

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees