CA935525A - Method for electronically analyzing modulated light beams - Google Patents

Method for electronically analyzing modulated light beams

Info

Publication number
CA935525A
CA935525A CA105979A CA105979A CA935525A CA 935525 A CA935525 A CA 935525A CA 105979 A CA105979 A CA 105979A CA 105979 A CA105979 A CA 105979A CA 935525 A CA935525 A CA 935525A
Authority
CA
Canada
Prior art keywords
light beams
modulated light
electronically analyzing
analyzing modulated
electronically
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
CA105979A
Other languages
English (en)
Other versions
CA105979S (en
Inventor
Jaecklin Andre
Mastner Jiri
K. Von Willisen Friedrich
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 Germany
Original Assignee
Brown Boveri und Cie AG Germany
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 Germany filed Critical Brown Boveri und Cie AG Germany
Application granted granted Critical
Publication of CA935525A publication Critical patent/CA935525A/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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Measuring Magnetic Variables (AREA)
  • Gyroscopes (AREA)
CA105979A 1970-02-25 1971-02-22 Method for electronically analyzing modulated light beams Expired CA935525A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH279470A CH513413A (de) 1970-02-25 1970-02-25 Verfahren zur elektronischen Auswertung modulierter Lichtbündel

Publications (1)

Publication Number Publication Date
CA935525A true CA935525A (en) 1973-10-16

Family

ID=4241731

Family Applications (1)

Application Number Title Priority Date Filing Date
CA105979A Expired CA935525A (en) 1970-02-25 1971-02-22 Method for electronically analyzing modulated light beams

Country Status (8)

Country Link
US (1) US3707329A (de)
CA (1) CA935525A (de)
CH (1) CH513413A (de)
DE (1) DE2026146A1 (de)
FR (1) FR2081039B1 (de)
GB (1) GB1326483A (de)
NL (1) NL7102359A (de)
SE (1) SE379254B (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4446425A (en) * 1982-02-12 1984-05-01 The University Of Rochester Measurement of electrical signals with picosecond resolution
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
US4863274A (en) * 1988-02-26 1989-09-05 Simmonds Precision Products, Inc. Optical shaft torsional displacement and speed sensing system
US5124634A (en) * 1989-03-14 1992-06-23 Square D Company Ring optical current transducer
DE4416298A1 (de) * 1994-05-09 1995-11-16 Abb Research Ltd Verfahren und Vorrichtung zur optischen Ermittlung einer physikalischen Größe
DE19504714B4 (de) * 1995-02-14 2006-08-24 Daimlerchrysler Ag Verfahren und Vorrichtung zur Überwachung einer Zustandsgröße eines Leistungsschalters
US6080983A (en) * 1996-02-23 2000-06-27 Diasense, Inc. Synchronous detection system for multichannel infrared spectroscopy
WO2000037949A1 (de) * 1998-12-22 2000-06-29 Siemens Aktiengesellschaft Verfahren und anordnung zur optischen erfassung eines elektrischen stroms über lichtsignale mit unterschiedlicher wellenlänge
EP1857824A4 (de) * 2005-03-08 2012-02-29 Tokyo Electric Power Co Fotosensor des intenstätsmodulationstyps und fotostrom-/-spannungssensor
US7786719B2 (en) * 2005-03-08 2010-08-31 The Tokyo Electric Power Company, Incorporated Optical sensor, optical current sensor and optical voltage sensor
WO2015124678A1 (en) * 2014-02-21 2015-08-27 Abb Technology Ag Interferometric sensor with differential modulated phase detection

Family Cites Families (1)

* 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

Also Published As

Publication number Publication date
SE379254B (de) 1975-09-29
CH513413A (de) 1971-09-30
FR2081039A1 (de) 1971-11-26
FR2081039B1 (de) 1976-03-19
NL7102359A (de) 1971-08-27
US3707329A (en) 1972-12-26
GB1326483A (en) 1973-08-15
DE2026146A1 (de) 1971-09-02

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