DE69031817T2 - Thermo-optischer stromfühler und thermo-optische stromfühlsysteme - Google Patents

Thermo-optischer stromfühler und thermo-optische stromfühlsysteme

Info

Publication number
DE69031817T2
DE69031817T2 DE69031817T DE69031817T DE69031817T2 DE 69031817 T2 DE69031817 T2 DE 69031817T2 DE 69031817 T DE69031817 T DE 69031817T DE 69031817 T DE69031817 T DE 69031817T DE 69031817 T2 DE69031817 T2 DE 69031817T2
Authority
DE
Germany
Prior art keywords
thermo
optical current
sensing systems
current sensing
current sensors
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 - Fee Related
Application number
DE69031817T
Other languages
English (en)
Other versions
DE69031817D1 (de
Inventor
Elric Saaski
Dale Lawrence
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.)
Photonetics SA
Original Assignee
Photonetics SA
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 Photonetics SA filed Critical Photonetics SA
Publication of DE69031817D1 publication Critical patent/DE69031817D1/de
Application granted granted Critical
Publication of DE69031817T2 publication Critical patent/DE69031817T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02—General constructional details
    • G01R1/06—Measuring leads; Measuring probes
    • G01R1/067—Measuring probes
    • G01R1/07—Non contact-making probes
    • G01R1/071—Non contact-making probes containing electro-optic elements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/02—Measuring effective values, i.e. root-mean-square values
    • G01R19/03—Measuring effective values, i.e. root-mean-square values using thermoconverters
DE69031817T 1989-02-21 1990-02-21 Thermo-optischer stromfühler und thermo-optische stromfühlsysteme Expired - Fee Related DE69031817T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/313,631 US5021731A (en) 1989-02-21 1989-02-21 Thermo-optical current sensor and thermo-optical current sensing systems
PCT/US1990/000903 WO1990010238A2 (en) 1989-02-21 1990-02-21 Thermo-optical current sensor and thermo-optical current sensing systems

Publications (2)

Publication Number Publication Date
DE69031817D1 DE69031817D1 (de) 1998-01-29
DE69031817T2 true DE69031817T2 (de) 1998-04-30

Family

ID=23216478

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69031817T Expired - Fee Related DE69031817T2 (de) 1989-02-21 1990-02-21 Thermo-optischer stromfühler und thermo-optische stromfühlsysteme

Country Status (4)

Country Link
US (1) US5021731A (de)
EP (1) EP0411106B1 (de)
DE (1) DE69031817T2 (de)
WO (1) WO1990010238A2 (de)

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US5917966A (en) * 1995-12-14 1999-06-29 Motorola Inc. Interferometric optical chemical sensor
US6753807B1 (en) * 2002-07-30 2004-06-22 The United States Of America As Represented By The Secretary Of Commerce Combination N-way power divider/combiner and noninvasive reflected power detection
US7759633B2 (en) 2006-03-13 2010-07-20 Opsens Inc. Optical sensor for monitoring electrical current or power
US9326346B2 (en) 2009-01-13 2016-04-26 Terralux, Inc. Method and device for remote sensing and control of LED lights
US8358085B2 (en) 2009-01-13 2013-01-22 Terralux, Inc. Method and device for remote sensing and control of LED lights
CN103025337B (zh) 2009-11-17 2014-10-15 特锐拉克斯有限公司 Led电源的检测和控制
CA2810026A1 (en) 2010-09-16 2012-03-22 Terralux, Inc. Communication with lighting units over a power bus
US9596738B2 (en) 2010-09-16 2017-03-14 Terralux, Inc. Communication with lighting units over a power bus
CN102208270B (zh) * 2011-03-11 2012-10-31 福建骐航实业有限公司 一种带测温装置的电子式电流互感器
WO2013090904A1 (en) 2011-12-16 2013-06-20 Terralux, Inc. System and methods of applying bleed circuits in led lamps
CN104035853B (zh) * 2013-03-07 2017-09-05 华为技术有限公司 温度监控系统及温度监控方法
US9265119B2 (en) 2013-06-17 2016-02-16 Terralux, Inc. Systems and methods for providing thermal fold-back to LED lights
RU2664763C1 (ru) * 2017-11-14 2018-08-22 Королев Дмитрий Николаевич Система измерения наведенных токов в резистивном элементе электровзрывного устройства (ЭВУ)
CN112485505B (zh) * 2020-11-10 2021-10-19 电子科技大学 一种基于红外热成像的高频交流电流幅值检测方法

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US4437761A (en) * 1981-03-27 1984-03-20 Sperry Corporation Refractive index temperature sensor
SE426345B (sv) * 1981-05-18 1982-12-27 Asea Ab Fiberoptiskt metdon for metning av fysikaliska och/eller kemiska storheter, baserat pa sensormaterial med en olinjer ljus in/ljus ut karakteristik
JPS57208520A (en) * 1981-06-19 1982-12-21 Hitachi Ltd Automatic focusing device
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JPS61235731A (ja) * 1985-04-11 1986-10-21 Sharp Corp 感圧素子

Also Published As

Publication number Publication date
US5021731A (en) 1991-06-04
WO1990010238A2 (en) 1990-09-07
EP0411106A1 (de) 1991-02-06
DE69031817D1 (de) 1998-01-29
WO1990010238A3 (en) 1990-10-18
EP0411106B1 (de) 1997-12-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee