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
Links
- 239000000835 fiber Substances 0.000 title 1
- 238000012544 monitoring process Methods 0.000 title 1
- 230000003287 optical effect Effects 0.000 title 1
- 239000013307 optical fiber Substances 0.000 abstract 4
- 230000005540 biological transmission Effects 0.000 abstract 2
- 238000001514 detection method Methods 0.000 abstract 2
- 238000005259 measurement Methods 0.000 abstract 1
- 230000000737 periodic effect Effects 0.000 abstract 1
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)
- Geophysics And Detection Of Objects (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Gas-Insulated Switchgears (AREA)
- Light Guides In General And Applications Therefor (AREA)
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)
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 |
JP2002525856A (ja) | 1998-09-11 | 2002-08-13 | ニュー・フォーカス・インコーポレイテッド | 波長可変レーザ |
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 |
US6856632B1 (en) | 1999-09-20 | 2005-02-15 | Iolon, Inc. | Widely tunable laser |
US6847661B2 (en) * | 1999-09-20 | 2005-01-25 | Iolon, Inc. | Tunable laser with microactuator |
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 |
US6901088B2 (en) * | 2001-07-06 | 2005-05-31 | Intel Corporation | External cavity laser apparatus with orthogonal tuning of laser wavelength and cavity optical pathlength |
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 |
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 |
BRPI0722234B1 (pt) * | 2007-11-29 | 2018-07-03 | Prysmian S.P.A. | Sistema e método para monitorar uma pluralidade de componentes distribuida em diferentes localizações espaciais |
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)
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 |
-
1987
- 1987-02-02 FR FR8701195A patent/FR2610465A1/fr active Pending
-
1988
- 1988-01-21 AT AT88400126T patent/ATE66296T1/de active
- 1988-01-21 EP EP88400126A patent/EP0278820B1/de not_active Expired - Lifetime
- 1988-01-21 DE DE8888400126T patent/DE3864157D1/de not_active Expired - Fee Related
- 1988-02-02 US US07/151,485 patent/US4870269A/en not_active Expired - Fee Related
- 1988-02-02 JP JP63023652A patent/JPS63195519A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US4870269A (en) | 1989-09-26 |
JPS63195519A (ja) | 1988-08-12 |
ATE66296T1 (de) | 1991-08-15 |
EP0278820A2 (de) | 1988-08-17 |
EP0278820A3 (en) | 1988-08-31 |
FR2610465A1 (fr) | 1988-08-05 |
EP0278820B1 (de) | 1991-08-14 |
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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 |