JP2004093257A5 - - Google Patents

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Publication number
JP2004093257A5
JP2004093257A5 JP2002252902A JP2002252902A JP2004093257A5 JP 2004093257 A5 JP2004093257 A5 JP 2004093257A5 JP 2002252902 A JP2002252902 A JP 2002252902A JP 2002252902 A JP2002252902 A JP 2002252902A JP 2004093257 A5 JP2004093257 A5 JP 2004093257A5
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JP
Japan
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.)
Pending
Application number
JP2002252902A
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JP2004093257A (ja
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Publication date
Application filed filed Critical
Priority to JP2002252902A priority Critical patent/JP2004093257A/ja
Priority claimed from JP2002252902A external-priority patent/JP2004093257A/ja
Priority to US10/459,549 priority patent/US7057792B2/en
Publication of JP2004093257A publication Critical patent/JP2004093257A/ja
Publication of JP2004093257A5 publication Critical patent/JP2004093257A5/ja
Pending legal-status Critical Current

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JP2002252902A 2002-08-30 2002-08-30 光センサユニット Pending JP2004093257A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2002252902A JP2004093257A (ja) 2002-08-30 2002-08-30 光センサユニット
US10/459,549 US7057792B2 (en) 2002-08-30 2003-06-12 Optical sensor unit for measuring current and voltage of high frequency

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002252902A JP2004093257A (ja) 2002-08-30 2002-08-30 光センサユニット

Publications (2)

Publication Number Publication Date
JP2004093257A JP2004093257A (ja) 2004-03-25
JP2004093257A5 true JP2004093257A5 (ja) 2005-10-27

Family

ID=31972766

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002252902A Pending JP2004093257A (ja) 2002-08-30 2002-08-30 光センサユニット

Country Status (2)

Country Link
US (1) US7057792B2 (ja)
JP (1) JP2004093257A (ja)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7173956B2 (en) 2003-02-12 2007-02-06 Northrop Grumman Corporation Electrically controlled uniform or graded reflectivity electro-optic mirror
EP1710589A1 (en) * 2005-03-30 2006-10-11 VA TECH Transmission & Distribution SA Optical sensor arrangement for electrical switchgear
WO2007002762A2 (en) 2005-06-28 2007-01-04 Ventria Bioscience Components of cell culture media produced from plant cells
US7538562B2 (en) * 2006-03-20 2009-05-26 Inficon, Inc. High performance miniature RF sensor for use in microelectronics plasma processing tools
US7468505B2 (en) * 2006-07-21 2008-12-23 General Electric Company Fiber optic current sensor system and method for detecting lightning
EP2097758A2 (en) * 2006-11-30 2009-09-09 North Sensor A/S Faraday effect current sensor
WO2010138385A1 (en) * 2009-05-27 2010-12-02 Analog Devices, Inc. Multiuse optical sensor
CN101782693B (zh) * 2010-01-28 2012-02-01 天津奇谱光电技术有限公司 一种多功能集成光学设备
EP2479581A1 (en) 2011-01-21 2012-07-25 PowerSense A/S An AC or DC power transmission system and a method of measuring a voltage
CN102435829B (zh) * 2011-10-28 2013-08-14 哈尔滨工业大学 光学电压传感器的自校准方法
CN102608380B (zh) * 2012-02-29 2013-12-11 曲阜师范大学 自感应光电混合式电流互感器
DE112014003851B4 (de) * 2013-08-22 2020-12-24 Leoni Kabel Gmbh Sensorbaueinheit
CN104458588B (zh) * 2014-12-24 2017-02-22 威特龙消防安全集团股份公司 一种双向自洁式光纤气体传感器感测头
WO2017191488A1 (en) * 2016-05-03 2017-11-09 Institut National D'optique Optical sensor for voltage measurement by extraction of surface charges
US11619660B2 (en) 2018-02-14 2023-04-04 The University Of Chicago Electrometry by optical charge conversion of defects in the solid-state
JP6989852B2 (ja) * 2019-01-22 2022-02-03 横河電機株式会社 電界センサ

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3983477A (en) * 1974-05-29 1976-09-28 Manitoba Research Council Device for measuring extra high voltage line current
JPS5155273A (en) * 1974-11-09 1976-05-14 Eto Goro Hikarihenseigatakendenki
DE2758611A1 (de) * 1977-12-29 1979-07-05 Siemens Ag Anordnung zur magnetooptischen strommessung
FR2548787B1 (fr) * 1983-07-04 1986-01-31 Thomson Csf Tete de mesure pour appareil de mesure de vecteur de gradient de champ magnetique, appareil de mesure comprenant une telle tete et procede de mesure
JPH0670651B2 (ja) * 1988-07-09 1994-09-07 日本碍子株式会社 光による電・磁気量測定方法及び装置
US5134361A (en) * 1991-02-19 1992-07-28 The United States Of America As Represented By The Secretary Of The Navy Opitcal system for linearizing non-linear electro-optic
JP3014867B2 (ja) 1992-07-29 2000-02-28 日本真空技術株式会社 放電を利用する真空装置における放電検出装置
TW224513B (ja) 1992-11-20 1994-06-01 Matsushita Electric Ind Co Ltd
US5631559A (en) * 1993-03-05 1997-05-20 Northeastern University Method and apparatus for performing magnetic field measurements using magneto-optic kerr effect sensors
JP3179316B2 (ja) 1994-08-12 2001-06-25 松下電器産業株式会社 光センサ
DE69528866T2 (de) 1994-08-12 2003-03-27 Matsushita Electric Ind Co Ltd Optischer Sensor
JPH09230013A (ja) * 1996-02-21 1997-09-05 Matsushita Electric Ind Co Ltd 光磁界センサプローブ及び磁気光学素子
US6140634A (en) 1996-09-19 2000-10-31 Siemens Aktiengesellschaft Sensor for measuring electrical current strength and/or voltage
US6126778A (en) 1998-07-22 2000-10-03 Micron Technology, Inc. Beat frequency modulation for plasma generation
JP2001068459A (ja) 1999-08-30 2001-03-16 Gakugei Computer:Kk プラズマエッチング装置用終点検出装置

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