BR9505199A - Processo de detecção e/ou de medida de variações de uma grandeza fisica com o auxilio de um captador distribuido ou combinado - Google Patents
Processo de detecção e/ou de medida de variações de uma grandeza fisica com o auxilio de um captador distribuido ou combinadoInfo
- Publication number
- BR9505199A BR9505199A BR9505199A BR9505199A BR9505199A BR 9505199 A BR9505199 A BR 9505199A BR 9505199 A BR9505199 A BR 9505199A BR 9505199 A BR9505199 A BR 9505199A BR 9505199 A BR9505199 A BR 9505199A
- Authority
- BR
- Brazil
- Prior art keywords
- aid
- variations
- distributed
- detection
- physical quantity
- Prior art date
Links
- 238000001514 detection method Methods 0.000 title 1
- 238000005259 measurement Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
-
- 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
- G01D5/32—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 with attenuation or whole or partial obturation of beams of light
- G01D5/34—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 with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/353—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 with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
- G01D5/35383—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 with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using multiple sensor devices using multiplexing techniques
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
- G02B6/29304—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by diffraction, e.g. grating
- G02B6/29316—Light guides comprising a diffractive element, e.g. grating in or on the light guide such that diffracted light is confined in the light guide
- G02B6/29317—Light guides of the optical fibre type
- G02B6/29319—With a cascade of diffractive elements or of diffraction operations
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Optical Transform (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Measuring Fluid Pressure (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
- Length Measuring Devices By Optical Means (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9413768A FR2727201B1 (fr) | 1994-11-17 | 1994-11-17 | Procede de detection et/ou de mesure de grandeurs physiques utilisant un capteur distribue |
FR9413767 | 1994-11-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9505199A true BR9505199A (pt) | 1997-09-16 |
Family
ID=26231541
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9505199A BR9505199A (pt) | 1994-11-17 | 1995-11-16 | Processo de detecção e/ou de medida de variações de uma grandeza fisica com o auxilio de um captador distribuido ou combinado |
Country Status (9)
Country | Link |
---|---|
US (1) | US5684297A (pt) |
EP (1) | EP0713077B1 (pt) |
JP (1) | JPH08240451A (pt) |
KR (1) | KR960018538A (pt) |
CN (1) | CN1183548A (pt) |
BR (1) | BR9505199A (pt) |
DE (1) | DE69513937T2 (pt) |
DK (1) | DK0713077T3 (pt) |
FI (1) | FI955511A (pt) |
Families Citing this family (75)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5646401A (en) * | 1995-12-22 | 1997-07-08 | Udd; Eric | Fiber optic grating and etalon sensor systems |
GB9526582D0 (en) * | 1995-12-28 | 1996-02-28 | Bicc Plc | Optical line system |
JPH09265018A (ja) * | 1996-03-27 | 1997-10-07 | Nec Corp | 分岐合波光導波路回路 |
JP3402083B2 (ja) * | 1996-08-05 | 2003-04-28 | Kddi株式会社 | 光ファイバ線路の障害位置検出装置 |
KR100206176B1 (ko) | 1996-12-03 | 1999-07-01 | 윤종용 | 광감쇠기및그제조방법 |
IT1293631B1 (it) * | 1997-07-18 | 1999-03-08 | Fiat Ricerche | Sistema per controllare lo stato di sollecitazione di bombole ad alta pressione, particolarmente bombole di gas metano per autoveicoli. |
US6016702A (en) * | 1997-09-08 | 2000-01-25 | Cidra Corporation | High sensitivity fiber optic pressure sensor for use in harsh environments |
NO307314B1 (no) * | 1997-12-05 | 2000-03-13 | Optoplan As | Anordning for registrering av boyebelastning |
US6151336A (en) | 1998-02-11 | 2000-11-21 | Sorrento Networks, Inc. | Time division multiplexing expansion subsystem |
DE19808222A1 (de) | 1998-02-27 | 1999-09-02 | Abb Research Ltd | Faser-Bragg-Gitter Drucksensor mit integrierbarem Faser-Bragg-Gitter Temperatursensor |
DE69928231T2 (de) | 1998-03-05 | 2006-07-20 | Gil M. Vardi | Optisch-akustisch bildgebendes gerät |
EP1627604A1 (en) * | 1998-03-05 | 2006-02-22 | Gil M. Vardi | Optical-acoustic imaging device |
US6400478B1 (en) | 1998-04-02 | 2002-06-04 | Sorrento Networks, Inc. | Wavelength-division-multiplexed optical transmission system with expanded bidirectional transmission capacity over a single fiber |
ES2146540B1 (es) * | 1998-06-12 | 2001-03-01 | Carrillo Sebastian Diaz | Procedimiento para la medida de la longitud de onda luminosa reflejada por una o varias redes de difraccion de bragg en el nucleo de una fibra optica y su aplicacion a la medida de deformacion y/o temperatura. |
US6298103B1 (en) | 1998-06-16 | 2001-10-02 | Sorrento Networks Corporation | Flexible clock and data recovery module for a DWDM optical communication system with multiple clock rates |
US6330257B1 (en) | 1998-08-06 | 2001-12-11 | Sdl, Inc. | Polarization-insensitive laser stabilization using multiple waveguide gratings |
US6522797B1 (en) | 1998-09-01 | 2003-02-18 | Input/Output, Inc. | Seismic optical acoustic recursive sensor system |
ES2150386B1 (es) * | 1998-12-01 | 2001-06-01 | Univ Madrid Politecnica | Sensor para la medida del indice de refraccion y la temperatura de un fluido, consistente en un espejo tallado en el extremo de una fibra optica y una o varias redes de difraccion de bragg inscritas en la fibra. |
US6298184B1 (en) | 1998-12-04 | 2001-10-02 | Cidra Corporation | Method and apparatus for forming a tube-encased bragg grating |
AU3111900A (en) | 1998-12-04 | 2000-06-19 | Cidra Corporation | Pressure-isolated bragg grating temperature sensor |
AU756444B2 (en) | 1998-12-04 | 2003-01-16 | Weatherford Technology Holdings, Llc | Bragg grating pressure sensor |
US6490931B1 (en) * | 1998-12-04 | 2002-12-10 | Weatherford/Lamb, Inc. | Fused tension-based fiber grating pressure sensor |
CN1329722A (zh) | 1998-12-04 | 2002-01-02 | 塞德拉公司 | 压缩调谐的布拉格光栅和激光器 |
CA2353567C (en) | 1998-12-04 | 2007-11-20 | Cidra Corporation | Bragg grating pressure sensor |
US6278811B1 (en) | 1998-12-04 | 2001-08-21 | Arthur D. Hay | Fiber optic bragg grating pressure sensor |
JP2002533779A (ja) | 1998-12-04 | 2002-10-08 | シドラ コーポレイション | 管に収容されたファイバ回折格子 |
US6249624B1 (en) | 1998-12-04 | 2001-06-19 | Cidra Corporation | Method and apparatus for forming a Bragg grating with high intensity light |
US6271766B1 (en) | 1998-12-23 | 2001-08-07 | Cidra Corporation | Distributed selectable latent fiber optic sensors |
DE19860409A1 (de) * | 1998-12-28 | 2000-06-29 | Abb Research Ltd | Faser-Bragg-Gitter Sensor zur Messung differentieller Drücke und von Strömungsgeschwindigkeiten |
US6494617B1 (en) | 1999-04-30 | 2002-12-17 | General Electric Company | Status detection apparatus and method for fluid-filled electrical equipment |
KR100329042B1 (ko) * | 1999-08-03 | 2002-03-18 | 윤덕용 | 광섬유 구조물 변형 감지시스템 |
US6314214B1 (en) * | 1999-09-28 | 2001-11-06 | Corning Incorporated | System and method for measuring stress during processing of an optical fiber |
US6571027B2 (en) | 1999-10-07 | 2003-05-27 | Peter W. E. Smith | Method and devices for time domain demultiplexing of serial fiber bragg grating sensor arrays |
US6212306B1 (en) * | 1999-10-07 | 2001-04-03 | David J. F. Cooper | Method and device for time domain demultiplexing of serial fiber Bragg grating sensor arrays |
US6439055B1 (en) | 1999-11-15 | 2002-08-27 | Weatherford/Lamb, Inc. | Pressure sensor assembly structure to insulate a pressure sensing device from harsh environments |
US6626043B1 (en) | 2000-01-31 | 2003-09-30 | Weatherford/Lamb, Inc. | Fluid diffusion resistant glass-encased fiber optic sensor |
JP3316204B2 (ja) * | 2000-04-28 | 2002-08-19 | 株式会社オーシーシー | 光ファイバグレーティング測定装置および光ファイバグレーティング測定方法 |
DE10052631C1 (de) * | 2000-10-24 | 2002-04-04 | Bosch Gmbh Robert | Vorrichtung zur Prüfung von einem durch Anlegen eines elektrischen und/oder magnetischen Feldes formändernden Material |
GB0031646D0 (en) * | 2000-12-22 | 2001-02-07 | European Community | Method and apparatus for crack and fracture detection utilizing bragg gratings |
US6659640B2 (en) * | 2001-04-26 | 2003-12-09 | The United States Of America As Represented By The Secretary Of The Navy | Fiber optic temperature measurement system and method |
US6947637B2 (en) * | 2001-08-09 | 2005-09-20 | Corning Incorporated | Measurement of fiber strain during processing |
KR100429504B1 (ko) * | 2002-02-08 | 2004-05-03 | 삼성전자주식회사 | 편광유지 광섬유 격자를 이용한 센서 |
KR100470911B1 (ko) * | 2002-06-05 | 2005-02-21 | 주식회사 아이세스 | 광섬유 브래그 그레이팅 센서 시스템 |
US7245789B2 (en) | 2002-10-07 | 2007-07-17 | Vascular Imaging Corporation | Systems and methods for minimally-invasive optical-acoustic imaging |
US7119325B2 (en) * | 2003-01-27 | 2006-10-10 | Bookham Technology Plc | System and method for monitoring environmental effects using optical sensors |
US7488929B2 (en) * | 2003-08-13 | 2009-02-10 | Zygo Corporation | Perimeter detection using fiber optic sensors |
CA2584376C (en) * | 2004-10-15 | 2012-10-02 | Morgan Research Corporation | Embeddable polarimetric fiber optic sensor and method for monitoring of structures |
CN1316227C (zh) * | 2005-09-30 | 2007-05-16 | 大连理工大学 | 一种光纤光栅位移传感器 |
US7599588B2 (en) | 2005-11-22 | 2009-10-06 | Vascular Imaging Corporation | Optical imaging probe connector |
US20090204009A1 (en) * | 2008-02-07 | 2009-08-13 | Los Alamos National Security | Medical device system and related methods for diagnosing abnormal medical conditions based on in-vivo optical properties of tissue |
EP2356412B1 (en) | 2008-10-02 | 2012-08-15 | Vascular Imaging Corporation | Optical ultrasound receiver |
FR2953943B1 (fr) * | 2010-01-11 | 2013-04-05 | Terre Armee Int | Bande souple comprenant au moins une fibre optique pour effectuer des mesures de deformation et/ou de temperature |
US9267854B2 (en) * | 2010-09-20 | 2016-02-23 | Indian Institue of Science | Strain and temperature discrimination using fiber bragg gratings in a cross-wire configuration |
GB2485808A (en) * | 2010-11-24 | 2012-05-30 | Vestas Wind Sys As | Long fibre Bragg grating sensor in a wind turbine |
US20130027030A1 (en) * | 2011-07-27 | 2013-01-31 | Michael Twerdochlib | Fiber optic magnetic flux sensor for application in high voltage generator stator bars |
RU2627061C2 (ru) * | 2011-09-09 | 2017-08-03 | Конинклейке Филипс Н.В. | Устройство оптического мониторинга для мониторинга значения кривизны гибкого медицинского инструмента |
EP2795260B1 (en) | 2011-12-20 | 2017-03-08 | Ecole Polytechnique Fédérale de Lausanne (EPFL) | Fiber sensing system based on a bragg grating and optical time domain reflectometry |
JP2013156163A (ja) * | 2012-01-30 | 2013-08-15 | Olympus Corp | 光学式センサ |
CN110435812A (zh) * | 2012-05-30 | 2019-11-12 | 赛创尼克株式会社 | 通过对海洋结构物的实时测量监视的控制方法 |
KR101815006B1 (ko) | 2013-05-13 | 2018-01-09 | 삼성전자주식회사 | 광 도파로를 이용한 벤딩 및 접촉 측정 장치 및 방법 |
CN105683730B (zh) * | 2013-10-25 | 2019-01-11 | 光纳株式会社 | 光纤式生物体诊断用传感器***及血管***式分布压力测定装置 |
DE102013222056A1 (de) * | 2013-10-30 | 2015-04-30 | Alstom Technology Ltd. | Elektrischer Transformator oder elektrische Drosselspule und Verfahren zum Betreiben des elektrischen Transformators oder der elektrischen Drosselspule |
CN104977070A (zh) * | 2014-04-10 | 2015-10-14 | 湖南三德科技股份有限公司 | 一种料场重量检测方法及*** |
CN103994785B (zh) * | 2014-05-29 | 2016-08-31 | 武汉理工大学 | 一种基于弱光纤光栅阵列的传感监测装置和传感方法 |
US9400269B2 (en) * | 2014-09-22 | 2016-07-26 | The Royal Institution For The Advancement Of Learning/Mcgill University | Systems for detecting target chemicals and methods for their preparation and use |
GB201503861D0 (en) | 2015-03-06 | 2015-04-22 | Silixa Ltd | Method and apparatus for optical sensing |
US20170010385A1 (en) * | 2015-07-08 | 2017-01-12 | Schlumberger Technology Corporation | Fiber optic array having densely spaced, weak reflectors |
KR102372335B1 (ko) * | 2015-07-27 | 2022-03-08 | 삼성디스플레이 주식회사 | 가요성 표시 장치 및 그 구동 방법 |
NL2019167B1 (en) | 2017-07-04 | 2019-01-14 | Compass Instr Ci B V | Optical fiber sensing device for sensing the distribution of the compression or deformation of a compressible or deformable element |
BR102018011823A2 (pt) * | 2018-06-11 | 2019-12-24 | Faculdades Catolicas | conjunto e método para medição da vazão de fluido em tubulações |
CN110440837B (zh) * | 2019-08-19 | 2021-10-15 | 武汉地震工程研究院有限公司 | 一种多参量光纤同步传感采集仪和传感采集方法 |
CN110440838B (zh) * | 2019-08-19 | 2021-09-21 | 武汉地震工程研究院有限公司 | 一种基于多芯光纤的多参量光纤传感仪器和传感方法 |
CN111238680B (zh) * | 2020-01-20 | 2021-05-25 | 上海波汇科技有限公司 | 双宽度脉冲光纤分布式拉曼测温空间分辨率提升方法 |
CN114942238A (zh) * | 2022-03-24 | 2022-08-26 | 上海理工大学 | 基于智能光纤的固体浮力材料测试方法 |
CN115014763B (zh) * | 2022-05-07 | 2023-08-29 | 武汉理工大学 | 用于主轴故障监测的光纤光栅测量***及优化方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US474A (en) * | 1837-11-23 | Improvement in reaction water-wheels | ||
GB268581A (en) * | 1926-05-29 | 1927-04-07 | Henry Arthur Thompson | Improvements in or relating to hinges for casement windows or the like |
US4761073A (en) * | 1984-08-13 | 1988-08-02 | United Technologies Corporation | Distributed, spatially resolving optical fiber strain gauge |
GB2209212A (en) * | 1987-09-01 | 1989-05-04 | Plessey Co Plc | Optical sensing systems |
US4996419A (en) * | 1989-12-26 | 1991-02-26 | United Technologies Corporation | Distributed multiplexed optical fiber Bragg grating sensor arrangeement |
US5319435A (en) * | 1991-09-04 | 1994-06-07 | Melle Serge M | Method and apparatus for measuring the wavelength of spectrally narrow optical signals |
GB2268581A (en) * | 1992-07-03 | 1994-01-12 | Marconi Gec Ltd | Optical fibre diffraction grating sensor |
US5513913A (en) * | 1993-01-29 | 1996-05-07 | United Technologies Corporation | Active multipoint fiber laser sensor |
US5493113A (en) * | 1994-11-29 | 1996-02-20 | United Technologies Corporation | Highly sensitive optical fiber cavity coating removal detection |
US5563967A (en) * | 1995-06-07 | 1996-10-08 | Mcdonnell Douglas Corporation | Fiber optic sensor having a multicore optical fiber and an associated sensing method |
-
1995
- 1995-11-15 EP EP95402557A patent/EP0713077B1/fr not_active Expired - Lifetime
- 1995-11-15 DE DE69513937T patent/DE69513937T2/de not_active Expired - Fee Related
- 1995-11-15 FI FI955511A patent/FI955511A/fi unknown
- 1995-11-15 DK DK95402557T patent/DK0713077T3/da active
- 1995-11-15 US US08/558,158 patent/US5684297A/en not_active Expired - Fee Related
- 1995-11-16 BR BR9505199A patent/BR9505199A/pt not_active Application Discontinuation
- 1995-11-16 CN CN95119703A patent/CN1183548A/zh active Pending
- 1995-11-16 KR KR1019950041619A patent/KR960018538A/ko active IP Right Grant
- 1995-11-17 JP JP7300286A patent/JPH08240451A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
CN1183548A (zh) | 1998-06-03 |
FI955511A0 (fi) | 1995-11-15 |
DE69513937T2 (de) | 2000-07-20 |
DK0713077T3 (da) | 2000-06-13 |
EP0713077A1 (fr) | 1996-05-22 |
DE69513937D1 (de) | 2000-01-20 |
FI955511A (fi) | 1996-05-18 |
KR960018538A (ko) | 1996-06-17 |
US5684297A (en) | 1997-11-04 |
JPH08240451A (ja) | 1996-09-17 |
EP0713077B1 (fr) | 1999-12-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BR9505199A (pt) | Processo de detecção e/ou de medida de variações de uma grandeza fisica com o auxilio de um captador distribuido ou combinado | |
NO944534D0 (no) | Måling av en eller flere fysiske parametere | |
DE69433729D1 (de) | Sensor für Apnoe | |
EP0622628A3 (de) | Sonde für Materialfeuchtesensor. | |
DE69422687D1 (de) | Biosensor zur hämatokritbestimmung | |
DE69519777D1 (de) | Mehrfach-Spannungssensor und Vorrichtung zur Messung von Strukturspannungen mit diesem Sensor | |
DE69005507D1 (de) | Faseroptischer Drei-Parameter Sensor und System. | |
PT978276E (pt) | Comprimidos com revestimento de polimero que compreendem amoxicilina e clavulanato | |
DE69632305D1 (de) | Elektro-optischer sensor | |
DE59403775D1 (de) | Vorrichtung zur Drehwinkeldetektierung | |
BR9000013A (pt) | Sensor capacitivo e processo de minimizar o desvio dieletrico do mesmo | |
DE69423100D1 (de) | Dehnungsmessaufnehmer mit integrierter temperaturerfassung | |
DE69422592D1 (de) | Ultraschallfüllstandssensor | |
FI951339A0 (fi) | Foerfarande foer kalibrering av en NDIR-anordning samt kalibreringsanordning | |
DE69422088D1 (de) | Deformationsmessinstrument | |
DE59308671D1 (de) | Fühler | |
FI101610B1 (fi) | Näytetunnistin | |
DE59403319D1 (de) | Schaltungsanordnung zur aufbereitung und auswertung von radsensorsignalen | |
DE69606837D1 (de) | Gerät zur Überprüfung der Bestimmungen von klinischen Analysen | |
FI952960A (fi) | Kosteusanturi | |
FI963863A0 (fi) | Analyyttinen toteaminen | |
DE69123236D1 (de) | Instrument mit Erfassung des Durchgangs | |
BR9804771A (pt) | Dinamometro e processo de calibrar o mesmo | |
DE59603836D1 (de) | Vorrichtung zur Messung der Dicke und/oder Ungleichmässigkeit von Faserbänder | |
FR2703152B1 (fr) | Spectrophotocolorimetre et unite de mesure spectrophotocolorimetrique. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FF | Decision: intention to grant | ||
FA11 | Dismissal: dismissal - article 38, par. 2 of industrial property law |