JPH0224349B2 - - Google Patents
Info
- Publication number
- JPH0224349B2 JPH0224349B2 JP57129524A JP12952482A JPH0224349B2 JP H0224349 B2 JPH0224349 B2 JP H0224349B2 JP 57129524 A JP57129524 A JP 57129524A JP 12952482 A JP12952482 A JP 12952482A JP H0224349 B2 JPH0224349 B2 JP H0224349B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- frequency
- electrical signal
- analyzer
- optical
- 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
Links
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 239000000284 extract Substances 0.000 claims description 2
- 230000005684 electric field Effects 0.000 description 19
- 230000003287 optical effect Effects 0.000 description 18
- 230000010287 polarization Effects 0.000 description 15
- 238000001514 detection method Methods 0.000 description 14
- 239000000835 fiber Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 11
- 238000000034 method Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000004020 conductor Substances 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 3
- 239000013307 optical fiber Substances 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- NCGICGYLBXGBGN-UHFFFAOYSA-N 3-morpholin-4-yl-1-oxa-3-azonia-2-azanidacyclopent-3-en-5-imine;hydrochloride Chemical compound Cl.[N-]1OC(=N)C=[N+]1N1CCOCC1 NCGICGYLBXGBGN-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
- G01R33/032—Measuring direction or magnitude of magnetic fields or magnetic flux using magneto-optic devices, e.g. Faraday or Cotton-Mouton effect
- G01R33/0322—Measuring direction or magnitude of magnetic fields or magnetic flux using magneto-optic devices, e.g. Faraday or Cotton-Mouton effect using the Faraday or Voigt effect
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Measuring Magnetic Variables (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57129524A JPS5919875A (ja) | 1982-07-27 | 1982-07-27 | 磁界測定装置 |
US06/516,464 US4539521A (en) | 1982-07-27 | 1983-07-22 | Magnetic field measuring device |
GB08319967A GB2125960B (en) | 1982-07-27 | 1983-07-25 | Measuring magnetic field |
DE3326736A DE3326736C2 (de) | 1982-07-27 | 1983-07-25 | Magnetfeld-Meßvorrichtung |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57129524A JPS5919875A (ja) | 1982-07-27 | 1982-07-27 | 磁界測定装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5919875A JPS5919875A (ja) | 1984-02-01 |
JPH0224349B2 true JPH0224349B2 (en]) | 1990-05-29 |
Family
ID=15011632
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57129524A Granted JPS5919875A (ja) | 1982-07-27 | 1982-07-27 | 磁界測定装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US4539521A (en]) |
JP (1) | JPS5919875A (en]) |
DE (1) | DE3326736C2 (en]) |
GB (1) | GB2125960B (en]) |
Families Citing this family (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3341265A1 (de) * | 1983-11-15 | 1985-05-23 | Phönix Armaturen-Werke Bregel GmbH, 6000 Frankfurt | Messgeraet |
GB8432402D0 (en) * | 1984-12-21 | 1985-02-06 | Birch R D | Optical fibres |
US4740049A (en) * | 1985-07-31 | 1988-04-26 | Anritsu Electric Company Limited | Technique for measuring a single mode optical fiber |
US4641524A (en) * | 1985-08-15 | 1987-02-10 | Kms Fusion, Inc. | Optical humidity sensor |
US4755665A (en) * | 1987-07-22 | 1988-07-05 | Square D Company | Light detector and signal processing circuit |
US4843232A (en) * | 1987-12-28 | 1989-06-27 | Allied-Signal Inc. | Optic switch and speed sensor |
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 |
US4947107A (en) * | 1988-06-28 | 1990-08-07 | Sundstrand Corporation | Magneto-optic current sensor |
FR2634553B1 (fr) * | 1988-07-21 | 1990-09-07 | Schlumberger Ind Sa | Dispositif a capteurs optiques principal et secondaire |
US4947035A (en) * | 1988-08-08 | 1990-08-07 | Cornell Research Foundation, Inc. | Fiber optic transducer using faraday effect |
US5124634A (en) * | 1989-03-14 | 1992-06-23 | Square D Company | Ring optical current transducer |
JPH0670653B2 (ja) * | 1989-03-31 | 1994-09-07 | 日本碍子株式会社 | 光温度・電気量測定装置 |
US4973899A (en) * | 1989-08-24 | 1990-11-27 | Sundstrand Corporation | Current sensor and method utilizing multiple layers of thin film magneto-optic material and signal processing to make the output independent of system losses |
DE3931542A1 (de) * | 1989-09-21 | 1991-04-04 | Siemens Ag | Optischer magnetfeldsensor |
US5440414A (en) * | 1990-02-02 | 1995-08-08 | The United States Of America As Represented By The Secretary Of The Navy | Adaptive polarization diversity detection scheme for coherent communications and interferometric fiber sensors |
US5102222A (en) * | 1990-02-08 | 1992-04-07 | Harmonic Lightwaves, Inc. | Light wave polarization determination using a hybrid system |
JP2619981B2 (ja) * | 1990-11-06 | 1997-06-11 | 株式会社豊田中央研究所 | 電磁界強度測定装置 |
US5463313A (en) * | 1993-09-09 | 1995-10-31 | General Electric Company | Reduced magnetic field line integral current sensor |
DE4334469C2 (de) * | 1993-10-11 | 1996-08-14 | Felten & Guilleaume Energie | Anordnung zur Auswertung des Meßwerts eines Meßwandlers |
DE4344856A1 (de) * | 1993-12-29 | 1995-07-06 | Abb Research Ltd | Faseroptischer Transmissionssensor mit Modulator |
US5963026A (en) * | 1994-08-23 | 1999-10-05 | Siemens Aktiengesellschaft | Method and device for the measurement of electric currents in at least two measuring ranges |
DE4436181A1 (de) * | 1994-10-10 | 1996-04-11 | Siemens Ag | Verfahren und Vorrichtung zum Messen einer elektrischen Wechselgröße mit Temperaturkompensation durch Fitting |
US5617022A (en) * | 1995-05-01 | 1997-04-01 | Hydro-Aire Division Of Crane Company | Fiberoptic velocity transducer including dielectric coating for filtering and velocity determination |
US5739943A (en) * | 1995-08-24 | 1998-04-14 | Kabushiki Kaisha Toshiba | Polarization control unit |
DE19624922A1 (de) * | 1996-06-21 | 1998-01-08 | Siemens Ag | Optisches Meßverfahren und optische Meßanordnung zum Messen einer Wechselgröße mit Temperaturkompensation mit Hilfe von Gleichsignalanteilen |
US5973492A (en) * | 1997-04-16 | 1999-10-26 | Ma; Xianyun | High accuracy optical current transducer thta eliminates birefringence |
WO1999041617A1 (de) * | 1998-02-12 | 1999-08-19 | Siemens Aktiengesellschaft | Verfahren und einrichtung zum messen eines magnetfeldes mit hilfe des faraday-effektes |
DE19920429C2 (de) * | 1999-05-04 | 2003-07-17 | Siemens Ag | Kernspinresonanzgerät mit einer Vorrichtung zum Messen von magnetischen Feldstärken |
DE10000306B4 (de) | 2000-01-05 | 2012-05-24 | Abb Research Ltd. | Faseroptischer Stromsensor |
JP2001349872A (ja) * | 2000-06-06 | 2001-12-21 | Shimadzu Corp | 磁気センサ |
RU2179323C1 (ru) * | 2000-06-27 | 2002-02-10 | Рязанская государственная радиотехническая академия | Способ получения распределения векторной функции магнитной индукции периодического магнитного поля |
US7379169B1 (en) * | 2006-12-08 | 2008-05-27 | General Electric Company | System and method for integrated measurement using optical sensors |
US8202053B2 (en) * | 2008-03-19 | 2012-06-19 | General Electric Company | Micro-electromechanical current sensing apparatus |
CN101458312B (zh) * | 2009-01-04 | 2012-07-11 | 上海舜宇海逸光电技术有限公司 | 光纤磁光探测装置 |
CN101769999B (zh) * | 2009-12-31 | 2013-02-13 | 上海舜宇海逸光电技术有限公司 | 光纤直流磁光探测系统和方法 |
CN101762795B (zh) * | 2009-12-31 | 2013-01-23 | 上海舜宇海逸光电技术有限公司 | 光纤磁光探测系统和方法 |
US10162021B2 (en) * | 2013-08-02 | 2018-12-25 | Hitachi, Ltd. | Magnetic field measurement device |
WO2015184133A1 (en) * | 2014-05-29 | 2015-12-03 | The University Of Florida Research Foundation, Inc. | Characterizing liquids using magnetic discs |
ES2741848T3 (es) * | 2016-09-02 | 2020-02-12 | Abb Schweiz Ag | Sensor interferométrico de tensión con compensación de errores |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2442396A (en) * | 1943-05-05 | 1948-06-01 | Mississippi Valley Res Lab Inc | Magneto-optic light rotator |
CH482200A (de) * | 1968-04-23 | 1969-11-30 | Bbc Brown Boveri & Cie | Verfahren und Einrichtung zur Messung der zeitlichen Änderung der Feldstärke eines Magnetfeldes |
CH509597A (de) * | 1969-12-23 | 1971-06-30 | Bbc Brown Boveri & Cie | Verfahren und Anordnung zur Messung eines Magnetfeldes |
DE2758611A1 (de) * | 1977-12-29 | 1979-07-05 | Siemens Ag | Anordnung zur magnetooptischen strommessung |
SE417137B (sv) * | 1979-05-31 | 1981-02-23 | Asea Ab | Optiskt metdon for metning av magnetiska och elektriska felt |
DE3141325A1 (de) * | 1981-10-17 | 1983-04-28 | BBC Aktiengesellschaft Brown, Boveri & Cie., 5401 Baden, Aargau | Verfahren zur strommessung an einem elektrischen leiter durch den faraday-effekt |
-
1982
- 1982-07-27 JP JP57129524A patent/JPS5919875A/ja active Granted
-
1983
- 1983-07-22 US US06/516,464 patent/US4539521A/en not_active Expired - Lifetime
- 1983-07-25 GB GB08319967A patent/GB2125960B/en not_active Expired
- 1983-07-25 DE DE3326736A patent/DE3326736C2/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5919875A (ja) | 1984-02-01 |
GB2125960A (en) | 1984-03-14 |
DE3326736A1 (de) | 1984-02-09 |
DE3326736C2 (de) | 1986-10-02 |
GB2125960B (en) | 1986-01-02 |
US4539521A (en) | 1985-09-03 |
GB8319967D0 (en) | 1983-08-24 |
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