JPS5637565A - Electric current measuring apparatus - Google Patents

Electric current measuring apparatus

Info

Publication number
JPS5637565A
JPS5637565A JP11372879A JP11372879A JPS5637565A JP S5637565 A JPS5637565 A JP S5637565A JP 11372879 A JP11372879 A JP 11372879A JP 11372879 A JP11372879 A JP 11372879A JP S5637565 A JPS5637565 A JP S5637565A
Authority
JP
Japan
Prior art keywords
light
optical fibers
magnetooptical
photodetectors
farady
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.)
Granted
Application number
JP11372879A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6235627B2 (enrdf_load_stackoverflow
Inventor
Fumio Aoki
Tetsuo Taniuchi
Katsuji Hattori
Akimoto Serizawa
Yoshinobu Tsujimoto
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.)
Panasonic Holdings Corp
Tokyo Electric Power Co Holdings Inc
Original Assignee
Tokyo Electric Power Co Inc
Matsushita Electric Industrial Co Ltd
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 Tokyo Electric Power Co Inc, Matsushita Electric Industrial Co Ltd filed Critical Tokyo Electric Power Co Inc
Priority to JP11372879A priority Critical patent/JPS5637565A/ja
Publication of JPS5637565A publication Critical patent/JPS5637565A/ja
Publication of JPS6235627B2 publication Critical patent/JPS6235627B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Measuring Magnetic Variables (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
JP11372879A 1979-09-04 1979-09-04 Electric current measuring apparatus Granted JPS5637565A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11372879A JPS5637565A (en) 1979-09-04 1979-09-04 Electric current measuring apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11372879A JPS5637565A (en) 1979-09-04 1979-09-04 Electric current measuring apparatus

Publications (2)

Publication Number Publication Date
JPS5637565A true JPS5637565A (en) 1981-04-11
JPS6235627B2 JPS6235627B2 (enrdf_load_stackoverflow) 1987-08-03

Family

ID=14619627

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11372879A Granted JPS5637565A (en) 1979-09-04 1979-09-04 Electric current measuring apparatus

Country Status (1)

Country Link
JP (1) JPS5637565A (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57196372U (enrdf_load_stackoverflow) * 1981-06-06 1982-12-13
JPS60138480A (ja) * 1983-12-27 1985-07-23 Hitachi Cable Ltd 光学式磁界センサ
JPS60207073A (ja) * 1984-03-31 1985-10-18 Sumitomo Electric Ind Ltd 光学的電力測定装置
JPS6410182A (en) * 1987-07-02 1989-01-13 Sumitomo Electric Industries Method for measuring overhead power transmission line current
JPH0474972A (ja) * 1990-07-16 1992-03-10 Kyodo Denki Kenkyusho:Kk プリント配線基板の光学的検査方法及びその装置

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57196372U (enrdf_load_stackoverflow) * 1981-06-06 1982-12-13
JPS60138480A (ja) * 1983-12-27 1985-07-23 Hitachi Cable Ltd 光学式磁界センサ
JPS60207073A (ja) * 1984-03-31 1985-10-18 Sumitomo Electric Ind Ltd 光学的電力測定装置
JPS6410182A (en) * 1987-07-02 1989-01-13 Sumitomo Electric Industries Method for measuring overhead power transmission line current
JPH0474972A (ja) * 1990-07-16 1992-03-10 Kyodo Denki Kenkyusho:Kk プリント配線基板の光学的検査方法及びその装置

Also Published As

Publication number Publication date
JPS6235627B2 (enrdf_load_stackoverflow) 1987-08-03

Similar Documents

Publication Publication Date Title
JPS58129372A (ja) 磁界−光変換器
JPS57196165A (en) Light intensity modulation measuring device
JPS5637565A (en) Electric current measuring apparatus
DE69502729D1 (de) Optische interferometrische stromfühler und strommessverfahren
JPS552916A (en) Spectral photometer
JPS5629174A (en) Electric current measuring device
JPS536059A (en) Measuring method and apparatus for optical fiber transmission characteristics
JPS5735760A (en) Current measuring device
JPS5488136A (en) Optical branching filter for optical fibers
JPS5740658A (en) Measuring apparatus for electric field
JPS55146050A (en) Detector of quantity of electricity by optical transmission line
JPS5461548A (en) Connection of optical fibers
JPS55106421A (en) Focusing detector
JPS6474475A (en) Optical fiber magnetic sensor
JPS5517149A (en) Light signal branching circuit with monitor
JPS5621010A (en) System for measuring analogue quantity by light
TW234742B (en) Optical fiber current sensor with temperature compensation
JPS57161661A (en) Measuring device by use of optical fiber
JPS57160071A (en) Electric field detector
JPS573020A (en) Temperature measuring method
SU1137403A1 (ru) Устройство дл бесконтактного измерени силы тока
JPS5435759A (en) Measuring method of numerical aperture of optical fibers
JPS54113351A (en) Measurement of transmission loss of optical fibers
JPS57161529A (en) Evaluating device for single mode optical fiber
JPS57196164A (en) Electric current measuring device