DE3864157D1 - Faseroptischer detektor mit einer ueberwachung des guten funktionierens. - Google Patents

Faseroptischer detektor mit einer ueberwachung des guten funktionierens.

Info

Publication number
DE3864157D1
DE3864157D1 DE8888400126T DE3864157T DE3864157D1 DE 3864157 D1 DE3864157 D1 DE 3864157D1 DE 8888400126 T DE8888400126 T DE 8888400126T DE 3864157 T DE3864157 T DE 3864157T DE 3864157 D1 DE3864157 D1 DE 3864157D1
Authority
DE
Germany
Prior art keywords
sensor
pulse
sensing element
state
monitoring
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
DE8888400126T
Other languages
English (en)
Inventor
Luc Jeunhomme
Francois Xavier Desforges
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
Application granted granted Critical
Publication of DE3864157D1 publication Critical patent/DE3864157D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/268—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light using optical fibres

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Gas-Insulated Switchgears (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Geophysics And Detection Of Objects (AREA)
DE8888400126T 1987-02-02 1988-01-21 Faseroptischer detektor mit einer ueberwachung des guten funktionierens. Expired - Fee Related DE3864157D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8701195A FR2610465A1 (fr) 1987-02-02 1987-02-02 Dispositif de detection a fibres optiques impliquant un controle de bon fonctionnement

Publications (1)

Publication Number Publication Date
DE3864157D1 true DE3864157D1 (de) 1991-09-19

Family

ID=9347475

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888400126T Expired - Fee Related DE3864157D1 (de) 1987-02-02 1988-01-21 Faseroptischer detektor mit einer ueberwachung des guten funktionierens.

Country Status (6)

Country Link
US (1) US4870269A (de)
EP (1) EP0278820B1 (de)
JP (1) JPS63195519A (de)
AT (1) ATE66296T1 (de)
DE (1) DE3864157D1 (de)
FR (1) FR2610465A1 (de)

Families Citing this family (35)

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Publication number Priority date Publication date Assignee Title
FR2642549B1 (fr) * 1989-01-27 1991-05-17 Framatome Sa Procede de surveillance sequentielle par voie optique d'une installation avec signal de sortie constant
FR2642550A1 (fr) * 1989-01-27 1990-08-03 Framatome Sa Procede de surveillance sequentielle par voie optique avec controle du fonctionnement des moyens optiques utilises
US4959540A (en) * 1989-05-15 1990-09-25 International Business Machines Corporation Optical clock system with optical time delay means
US5051578A (en) * 1989-11-15 1991-09-24 Slemon Charles S Self calibrating fiber optic sensor system with optimized throughput
US5017771A (en) * 1989-11-20 1991-05-21 The Boeing Company Position sensor using optical fibers and a variable filter
US5028801A (en) * 1990-01-16 1991-07-02 Sperry Marine Inc. Apparatus and method for multiplexing fiber optic sensors
US5069544A (en) * 1990-04-12 1991-12-03 Minnesota Mining And Manufacturing Company Adaptive pulse width optical fault finder
US5066118A (en) * 1990-04-12 1991-11-19 Minnesota Mining And Manufacturing Company Optical fault finder using matched and clipping filters
US5140154A (en) * 1991-01-16 1992-08-18 The United States Of America As Represented By The Secretary Of The Navy Inline fiber optic sensor arrays with delay elements coupled between sensor units
US5250805A (en) * 1991-06-12 1993-10-05 Bei Electronics, Inc. Optical sensing technique providing built in test
BE1007172A3 (nl) * 1993-05-19 1995-04-11 Identity E E S V Meetinrichting met optische vezelsensoren en daarbij gebruikte optische multiplexeer/demultiplexeerinrichting.
CA2240550C (en) * 1997-07-31 2003-12-02 Litton Systems, Inc. Tdm array of optical non-acoustic pressure sensors
US6094261A (en) * 1998-01-29 2000-07-25 L-Com, Inc. Method and apparatus for distinguishing fiber-optic cables
US6118534A (en) 1998-07-30 2000-09-12 B. F. Goodrich Company Sensor and method for measuring changes in environmental conditions
EP1149443A4 (de) 1998-09-11 2006-03-22 New Focus Inc Abstimmbarer laser
US6879619B1 (en) 1999-07-27 2005-04-12 Intel Corporation Method and apparatus for filtering an optical beam
US6853654B2 (en) * 1999-07-27 2005-02-08 Intel Corporation Tunable external cavity laser
US6847661B2 (en) 1999-09-20 2005-01-25 Iolon, Inc. Tunable laser with microactuator
US6856632B1 (en) 1999-09-20 2005-02-15 Iolon, Inc. Widely tunable laser
US7209498B1 (en) 2000-05-04 2007-04-24 Intel Corporation Method and apparatus for tuning a laser
US7120176B2 (en) * 2000-07-27 2006-10-10 Intel Corporation Wavelength reference apparatus and method
US6658031B2 (en) * 2001-07-06 2003-12-02 Intel Corporation Laser apparatus with active thermal tuning of external cavity
US6757057B2 (en) * 2001-04-04 2004-06-29 Nortel Networks Limited Method and system for automatic optical fiber type identification
US6804278B2 (en) 2001-07-06 2004-10-12 Intel Corporation Evaluation and adjustment of laser losses according to voltage across gain medium
US6822979B2 (en) 2001-07-06 2004-11-23 Intel Corporation External cavity laser with continuous tuning of grid generator
US6901088B2 (en) * 2001-07-06 2005-05-31 Intel Corporation External cavity laser apparatus with orthogonal tuning of laser wavelength and cavity optical pathlength
US6724797B2 (en) 2001-07-06 2004-04-20 Intel Corporation External cavity laser with selective thermal control
US7230959B2 (en) 2002-02-22 2007-06-12 Intel Corporation Tunable laser with magnetically coupled filter
GB2396211B (en) * 2002-10-06 2006-02-22 Weatherford Lamb Multiple component sensor mechanism
US6888972B2 (en) * 2002-10-06 2005-05-03 Weatherford/Lamb, Inc. Multiple component sensor mechanism
JP4756845B2 (ja) * 2004-10-12 2011-08-24 東京エレクトロン株式会社 温度測定装置，温度測定方法，温度測定システム，制御システム，制御方法
JP4311742B2 (ja) * 2005-04-11 2009-08-12 株式会社デンソー 衝突検知センサ
US8194238B1 (en) * 2006-02-14 2012-06-05 Killdeer Mountain Manufacturing, Inc. Optical sensor component identification and interrogation system
ES2393874T3 (es) * 2007-11-29 2012-12-28 Prysmian S.P.A. Procedimiento y sistema para la monitorización con fibra óptica de componentes distribuidos espacialmente
CN104344840B (zh) * 2013-08-05 2019-04-30 上海华魏光纤传感技术有限公司 一种光纤信号增强装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2136113B (en) * 1983-03-05 1986-08-06 Plessey Co Plc Improvements relating to optical sensing systems
US4623788A (en) * 1983-12-02 1986-11-18 Santa Barbara Research Center Fiber optic system with self test used in fire detection
GB8415127D0 (en) * 1984-06-14 1984-07-18 Davies D E N Optical displacement sensors
US4770535A (en) * 1985-02-08 1988-09-13 The Board Of Trustees Of The Leland Stanford Junior University Distributed sensor array and method using a pulsed signal source
FR2585849B1 (fr) * 1985-07-30 1988-12-30 Suisse Electro Microtech Centr Systeme de detection a fibre optique incorporant un capteur a modulation d'intensite
FR2593604B1 (fr) * 1986-01-30 1988-03-11 Comp Generale Electricite Procede et dispositif pour mesurer a distance la distribution d'un parametre physico-chimique dans un milieu

Also Published As

Publication number Publication date
EP0278820B1 (de) 1991-08-14
JPS63195519A (ja) 1988-08-12
FR2610465A1 (fr) 1988-08-05
ATE66296T1 (de) 1991-08-15
EP0278820A2 (de) 1988-08-17
US4870269A (en) 1989-09-26
EP0278820A3 (en) 1988-08-31

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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