JPS56157872A - Light-applying voltage and electric field sensor - Google Patents
Light-applying voltage and electric field sensorInfo
- Publication number
- JPS56157872A JPS56157872A JP6189080A JP6189080A JPS56157872A JP S56157872 A JPS56157872 A JP S56157872A JP 6189080 A JP6189080 A JP 6189080A JP 6189080 A JP6189080 A JP 6189080A JP S56157872 A JPS56157872 A JP S56157872A
- Authority
- JP
- Japan
- Prior art keywords
- light
- electric field
- board
- optical fiber
- phase difference
- 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
Links
- 230000005684 electric field Effects 0.000 title abstract 5
- 239000013307 optical fiber Substances 0.000 abstract 4
- 239000013078 crystal Substances 0.000 abstract 2
- 238000001514 detection method Methods 0.000 abstract 1
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
- G01R15/241—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices using electro-optical modulators, e.g. electro-absorption
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6189080A JPS56157872A (en) | 1980-05-10 | 1980-05-10 | Light-applying voltage and electric field sensor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6189080A JPS56157872A (en) | 1980-05-10 | 1980-05-10 | Light-applying voltage and electric field sensor |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56157872A true JPS56157872A (en) | 1981-12-05 |
JPH024864B2 JPH024864B2 (en, 2012) | 1990-01-30 |
Family
ID=13184186
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6189080A Granted JPS56157872A (en) | 1980-05-10 | 1980-05-10 | Light-applying voltage and electric field sensor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56157872A (en, 2012) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58109857A (ja) * | 1981-12-24 | 1983-06-30 | Toshihiko Yoshino | 電気測定装置 |
JPS60263866A (ja) * | 1984-06-12 | 1985-12-27 | Hitachi Cable Ltd | 光電界センサ |
EP0293788A1 (en) * | 1987-05-30 | 1988-12-07 | Hamamatsu Photonics K.K. | Voltage detector |
WO2007000947A1 (ja) * | 2005-06-29 | 2007-01-04 | Nec Corporation | 電界センサ、磁界センサ、電磁界センサ、及びそれらを用いた電磁界測定システム |
JP2007315894A (ja) * | 2006-05-25 | 2007-12-06 | Ntt Docomo Inc | 電界測定装置 |
JP2015001458A (ja) * | 2013-06-17 | 2015-01-05 | 株式会社日立製作所 | 近傍電界計測用プローブ及びこれを用いた近傍電界計測システム |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5017407U (en, 2012) * | 1973-06-19 | 1975-02-25 | ||
JPS50141343A (en, 2012) * | 1974-02-18 | 1975-11-13 | ||
JPS5230474A (en) * | 1975-09-03 | 1977-03-08 | Fujitsu Ltd | Apparatus for measuring power line current |
JPS54128770A (en) * | 1978-03-29 | 1979-10-05 | Mitsubishi Electric Corp | Voltmeter |
-
1980
- 1980-05-10 JP JP6189080A patent/JPS56157872A/ja active Granted
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5017407U (en, 2012) * | 1973-06-19 | 1975-02-25 | ||
JPS50141343A (en, 2012) * | 1974-02-18 | 1975-11-13 | ||
JPS5230474A (en) * | 1975-09-03 | 1977-03-08 | Fujitsu Ltd | Apparatus for measuring power line current |
JPS54128770A (en) * | 1978-03-29 | 1979-10-05 | Mitsubishi Electric Corp | Voltmeter |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58109857A (ja) * | 1981-12-24 | 1983-06-30 | Toshihiko Yoshino | 電気測定装置 |
JPS60263866A (ja) * | 1984-06-12 | 1985-12-27 | Hitachi Cable Ltd | 光電界センサ |
EP0293788A1 (en) * | 1987-05-30 | 1988-12-07 | Hamamatsu Photonics K.K. | Voltage detector |
WO2007000947A1 (ja) * | 2005-06-29 | 2007-01-04 | Nec Corporation | 電界センサ、磁界センサ、電磁界センサ、及びそれらを用いた電磁界測定システム |
US8233753B2 (en) | 2005-06-29 | 2012-07-31 | Nec Corporation | Electric field sensor, magnetic field sensor, electromagnetic field sensor and electromagnetic field measuring system using these sensors |
JP2007315894A (ja) * | 2006-05-25 | 2007-12-06 | Ntt Docomo Inc | 電界測定装置 |
JP2015001458A (ja) * | 2013-06-17 | 2015-01-05 | 株式会社日立製作所 | 近傍電界計測用プローブ及びこれを用いた近傍電界計測システム |
Also Published As
Publication number | Publication date |
---|---|
JPH024864B2 (en, 2012) | 1990-01-30 |
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