DE3882784D1 - Faseroptischer sensor. - Google Patents
Faseroptischer sensor.Info
- Publication number
- DE3882784D1 DE3882784D1 DE8888301659T DE3882784T DE3882784D1 DE 3882784 D1 DE3882784 D1 DE 3882784D1 DE 8888301659 T DE8888301659 T DE 8888301659T DE 3882784 T DE3882784 T DE 3882784T DE 3882784 D1 DE3882784 D1 DE 3882784D1
- Authority
- DE
- Germany
- Prior art keywords
- fibre
- optical sensor
- detector
- polychromatic light
- fiber optical
- 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 abstract 3
- 230000003287 optical effect Effects 0.000 title abstract 2
- 239000013307 optical fiber Substances 0.000 abstract 3
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/24—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
- G01L1/242—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre
- G01L1/243—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre using means for applying force perpendicular to the fibre axis
- G01L1/245—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre using means for applying force perpendicular to the fibre axis using microbending
-
- 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
-
- 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
- G01D5/35338—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 other arrangements than interferometer arrangements
- G01D5/35341—Sensor working in transmission
- G01D5/35345—Sensor working in transmission using Amplitude variations to detect the measured quantity
-
- 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
- G01D5/3537—Optical fibre sensor using a particular arrangement of the optical fibre itself
- G01D5/35374—Particular layout of the fiber
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
- Gas-Insulated Switchgears (AREA)
- Glass Compositions (AREA)
- Spectrometry And Color Measurement (AREA)
- Measuring Fluid Pressure (AREA)
- Optical Transform (AREA)
- Geophysics And Detection Of Objects (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Examining Or Testing Airtightness (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8704540A GB8704540D0 (en) | 1987-02-26 | 1987-02-26 | Optical sensors |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3882784D1 true DE3882784D1 (de) | 1993-09-09 |
DE3882784T2 DE3882784T2 (de) | 1993-11-11 |
Family
ID=10612993
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19883882784 Expired - Fee Related DE3882784T2 (de) | 1987-02-26 | 1988-02-26 | Faseroptischer Sensor. |
Country Status (8)
Country | Link |
---|---|
US (1) | US4880970A (de) |
EP (1) | EP0288139B1 (de) |
KR (1) | KR880010338A (de) |
CN (1) | CN88101065A (de) |
AT (1) | ATE92621T1 (de) |
AU (1) | AU1217788A (de) |
DE (1) | DE3882784T2 (de) |
GB (2) | GB8704540D0 (de) |
Families Citing this family (43)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IN167564B (de) * | 1986-10-30 | 1990-11-17 | Babcock & Wilcox Co | |
GB8723359D0 (en) * | 1987-10-05 | 1987-11-11 | Atomic Energy Authority Uk | Sensor |
AU2770189A (en) * | 1988-01-06 | 1989-07-06 | Unisearch Limited | Use of optical fibre in pressure sensitive transducers |
DE8901113U1 (de) * | 1989-02-02 | 1990-03-01 | Felten & Guilleaume Energietechnik Ag, 5000 Koeln, De | |
DE69023799T2 (de) * | 1989-04-19 | 1996-07-11 | Bestquint Ltd | Lichtleiter-Messfühler. |
EP0530182A1 (de) * | 1989-08-10 | 1993-03-10 | RICHTER, Thomas | Faseroptische sensorvorrichtung |
DE3926457A1 (de) * | 1989-08-10 | 1991-04-25 | Buchholz Juergen | Mess- oder ueberwachungsvorrichtung |
GB2236388A (en) * | 1989-09-21 | 1991-04-03 | Bestquint Ltd | Signal sensing in fibre optic sensor control systems |
GB2238613A (en) * | 1989-12-01 | 1991-06-05 | R D P Electronics Limited | Movement sensing process |
DE4037077A1 (de) * | 1990-11-22 | 1992-05-27 | Hilti Ag | Verfahren und einrichtung zur faseroptischen kraftmessung |
GB2252402A (en) * | 1990-12-14 | 1992-08-05 | Al Mohanadi Abdul Latif Khalaf | Fibre optic sensor |
DK0490849T3 (da) * | 1990-12-14 | 1996-01-22 | Ericsson Telefon Ab L M | Optisk fiberkabel til detektion af en temperaturændring |
US5231681A (en) * | 1990-12-14 | 1993-07-27 | Telefonaktiebolaget Lm Ericsson | Optical fibre cable for detecting a change in temperature |
US5218197A (en) * | 1991-05-20 | 1993-06-08 | The United States Of America As Represented By The Secretary Of The Navy | Method and apparatus for the non-invasive measurement of pressure inside pipes using a fiber optic interferometer sensor |
WO1993004350A1 (en) * | 1991-08-25 | 1993-03-04 | Avco Corporation | Optical fiber strain transducer having a radius of curvature equal to or less than a critical radius of curvature |
CA2237377C (en) * | 1992-04-10 | 2000-02-29 | Norscan Instruments Ltd. | Fiber optic cable monitoring system |
DE4304545C2 (de) * | 1993-02-11 | 1998-10-01 | Felten & Guilleaume Energie | Kabel mit Lichtwellenleitern |
MD293G2 (ro) * | 1995-05-15 | 1995-10-31 | Victor Borisocev | Debitmetru optoelectronic şi procedeu de fabricare a captorului său de diferenţă a presiunilor |
DE19534260C2 (de) * | 1995-09-15 | 2002-07-04 | Friedrich Motzko | Seilförmiger faseroptischer Belastungssensor |
SE514745C2 (sv) * | 1999-06-18 | 2001-04-09 | Samba Sensors Ab | Förfarande och anordning för böjkompensation vid intensitetsbaserade optiska mätsystem |
US20090027659A1 (en) * | 1999-06-18 | 2009-01-29 | Sambra Sensors Ab | Measuring system for measuring a physical parameter influencing a sensor element |
WO2003039910A1 (en) | 2001-10-16 | 2003-05-15 | American Moto Products, Inc. | Retractable vehicle step |
US7687764B1 (en) * | 2003-03-19 | 2010-03-30 | Knapp Ronald H | Fiber optic sensors for composite pressure tanks with micro bend pinch points |
US7163221B2 (en) | 2003-10-31 | 2007-01-16 | 89908, Inc. | Retractable vehicle step with anti-strike/anti-pinch sensor system |
DE102004035816B4 (de) * | 2004-07-23 | 2008-07-03 | Siemens Ag | Kraftsensor |
US9944231B2 (en) | 2006-10-27 | 2018-04-17 | Lund Motion Products, Inc. | Retractable vehicle step |
US9701249B2 (en) | 2006-10-27 | 2017-07-11 | Lund Motion Products, Inc. | Retractable vehicle step |
US11926286B2 (en) | 2011-10-31 | 2024-03-12 | Lund Motion Products, Inc. | Retractable vehicle step |
GB2518190B (en) * | 2013-09-12 | 2018-06-06 | Buddi Ltd | Tag including a thermo-chromic optical fibre |
US9156406B2 (en) | 2013-09-27 | 2015-10-13 | Lund, Inc. | Modular rail and step system |
JP6322483B2 (ja) * | 2014-05-29 | 2018-05-09 | オリンパス株式会社 | 曲率センサ、内視鏡装置 |
US9550458B2 (en) | 2015-06-05 | 2017-01-24 | Lund Motion Products, Inc. | Retractable step and side bar assembly for raised vehicle |
US9522634B1 (en) | 2015-06-05 | 2016-12-20 | Lund Motion Products, Inc. | Horizontal retractable vehicle step |
US10618472B2 (en) | 2015-08-04 | 2020-04-14 | T-Max (Hangzhou) Technology Co., Ltd. | Vehicle and vehicle step apparatus with multiple drive motors |
US10384614B1 (en) | 2018-07-20 | 2019-08-20 | T-Max (Hangzhou) Technology Co., Ltd. | Vehicle, running board assembly and drive assembly for running board |
US11198394B2 (en) | 2018-07-20 | 2021-12-14 | T-Max (Hangzhou) Technology Co., Ltd. | Vehicle running board apparatus and retractable device thereof |
CN110012061B (zh) | 2019-02-20 | 2022-02-08 | 杭州天铭科技股份有限公司 | 车用装备的管理装置、车辆及服务器 |
WO2020177186A1 (zh) | 2019-03-05 | 2020-09-10 | 杭州天铭科技股份有限公司 | 车用踏杠设备和车辆 |
WO2020181617A1 (zh) | 2019-03-11 | 2020-09-17 | 杭州天铭科技股份有限公司 | 调节装置、调节器和减震器 |
US11584387B2 (en) | 2019-09-16 | 2023-02-21 | T-Max (Hangzhou) Technology Co., Ltd. | Step apparatus for vehicle and vehicle |
WO2021227617A1 (zh) | 2020-05-11 | 2021-11-18 | 杭州天铭科技股份有限公司 | 车用踏板设备和车辆 |
WO2021227616A1 (zh) | 2020-05-11 | 2021-11-18 | 杭州天铭科技股份有限公司 | 一种车用踏板设备和车辆 |
HU231440B1 (hu) * | 2020-05-27 | 2023-10-28 | Furukawa Electric Technológiai Intézet Kft. | Szenzorrendszer és eljárás erő mérésére,valamint a szenzorrendszert tartalmazó lapos termék |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4342907A (en) * | 1977-12-12 | 1982-08-03 | Pedro B. Macedo | Optical sensing apparatus and method |
US4358678A (en) * | 1980-11-19 | 1982-11-09 | Hersey Products, Inc. | Fiber optic transducer and method |
US4557552A (en) * | 1981-11-19 | 1985-12-10 | Board Of Trustees Of The Leland Stanford Junior University | Microbend optical fiber tapped delay line |
GB2125572B (en) * | 1982-08-03 | 1985-12-24 | Standard Telephones Cables Ltd | Optical fibre sensors |
GB2125179B (en) * | 1982-08-03 | 1986-08-06 | Standard Telephones Cables Ltd | Distributed sensors |
US4542291A (en) * | 1982-09-29 | 1985-09-17 | Vpl Research Inc. | Optical flex sensor |
GB2155621B (en) * | 1984-03-06 | 1988-01-06 | Standard Telephones Cables Ltd | Optical fibre sensors |
JPS60219503A (ja) * | 1984-04-16 | 1985-11-02 | Sumitomo Electric Ind Ltd | 光フアイバセンサ− |
IT1180071B (it) * | 1984-06-05 | 1987-09-23 | Cselt Centro Studi Lab Telecom | Procedimento e apparecchiatura per la misura della lunghezza d'onda di taglio del primo modo d'ordine superiore in fibre ottiche |
US4653906A (en) * | 1984-08-13 | 1987-03-31 | United Technologies Corporation | Spatially resolving fiber-optic crosstalk strain sensor |
US4727254A (en) * | 1986-11-17 | 1988-02-23 | General Motors Corporation | Dual wavelength microbend sensor |
-
1987
- 1987-02-26 GB GB8704540A patent/GB8704540D0/en active Pending
-
1988
- 1988-02-22 US US07/158,668 patent/US4880970A/en not_active Expired - Lifetime
- 1988-02-25 AU AU12177/88A patent/AU1217788A/en not_active Abandoned
- 1988-02-26 EP EP88301659A patent/EP0288139B1/de not_active Expired - Lifetime
- 1988-02-26 KR KR1019880001958A patent/KR880010338A/ko not_active Application Discontinuation
- 1988-02-26 CN CN198888101065A patent/CN88101065A/zh active Pending
- 1988-02-26 DE DE19883882784 patent/DE3882784T2/de not_active Expired - Fee Related
- 1988-02-26 AT AT88301659T patent/ATE92621T1/de not_active IP Right Cessation
- 1988-02-26 GB GB8804564A patent/GB2201511B/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CN88101065A (zh) | 1988-09-07 |
DE3882784T2 (de) | 1993-11-11 |
GB2201511B (en) | 1990-10-03 |
ATE92621T1 (de) | 1993-08-15 |
AU1217788A (en) | 1988-09-01 |
EP0288139A3 (en) | 1989-10-18 |
EP0288139B1 (de) | 1993-08-04 |
EP0288139A2 (de) | 1988-10-26 |
GB8704540D0 (en) | 1987-04-01 |
GB2201511A (en) | 1988-09-01 |
KR880010338A (ko) | 1988-10-08 |
GB8804564D0 (en) | 1988-03-30 |
US4880970A (en) | 1989-11-14 |
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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 |