FI75049B - Mikroboejkaenslig fiberoptisk kabel. - Google Patents

Mikroboejkaenslig fiberoptisk kabel. Download PDF

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Publication number
FI75049B
FI75049B FI860975A FI860975A FI75049B FI 75049 B FI75049 B FI 75049B FI 860975 A FI860975 A FI 860975A FI 860975 A FI860975 A FI 860975A FI 75049 B FI75049 B FI 75049B
Authority
FI
Finland
Prior art keywords
fiber
cable
along
contact surfaces
cable according
Prior art date
Application number
FI860975A
Other languages
English (en)
Swedish (sv)
Other versions
FI860975A0 (fi
FI860975A (fi
FI75049C (fi
Inventor
Sven Anders Roland Persson
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of FI860975A0 publication Critical patent/FI860975A0/fi
Publication of FI860975A publication Critical patent/FI860975A/fi
Publication of FI75049B publication Critical patent/FI75049B/fi
Application granted granted Critical
Publication of FI75049C publication Critical patent/FI75049C/fi

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
    • G01L11/02—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00 by optical means
    • G01L11/025—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00 by optical means using a pressure-sensitive optical fibre
    • 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
    • G01D5/35377—Means for amplifying or modifying the measured quantity
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Ropes Or Cables (AREA)
  • Optical Transform (AREA)
  • Communication Cables (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)

Claims (6)

1. Mikrotaipumaherkkä optinen kuitukaapeli sisältäen ainakin yhden kuidun, joka sisältyy laitteeseen pai- 5 neen ilmaisemista varten, jossa säteilylähde kaapelin toisessa päässä syöttää valoa kuituun ja ilmaisin kaapelin toisessa päässä mittaa kuidun läpi välittyneen valon intensiteetin, jolloin kaapelin vaipan (H) ja kuidun (F) väliin on sovitettu vähintään yksi pituussuuntainen ele-10 mentti jaksottaisen häiriön aikaansaamiseksi ainakin kuidun osaa pitkin mainitun paineen seurauksena, tunnettu siitä, että kuitua pitkin ulottuvalla elementillä (T^, Tj, B) on samaa suuruusluokkaa oleva poikki-leikkausmitta kuin kuidulla, se on spiraalimaisesti kier-15 retty pituusakselinsa ympäri ja on ainakin osalla pituuttaan vasten kuitua (F) ja on muodostettu siten, että kuidun vaipan pintaa pitkin muodostuu eristetyt kosketuspinnat (Yl, Y2), joiden keskinäinen etäisyys (d) muodostaa jaksottaisen häiriön jakson pituuden (Λ), joka määräytyy 20 spiraalimaisen kierron noususta.
2. Patenttivaatimuksen 1 mukainen kaapeli, tunnettu siitä, että mainittu elementti muodostuu voimakkaasti kerratusta johdinparista (parijohtimesta) (T^, T2), jossa molempien johtimien kosketus kuidun vaipan 25 pintaa vasten muodostaa mainitut kosketuspinnat (Yl, Y2).
3. Patenttivaatimuksen 1 mukainen kapeeli, tunnettu siitä, että mainittu elementti muodostuu nauhasta (B), joka on kierretty pituussuunnassaan siten, että mainitut kosketuspinnat (Yl, Y2) muodostuvat kosketus- 30 kohtiin kuidun vaippapintaa vasten.
4. Patenttivaatimusten 1-3 mukainen kaapeli, tunnettu siitä, että mainittu elementti (T^, T2, B) kulkee yhdensuuntaisesti kuidun (F) kanssa.
5. Patenttivaatimusten 1-3 mukainen kaapeli, 35 tunnettu siitä, että mainittu elementti (T1# T2, B) on sovitettu spiraaliksi kuidun (F) ympärille.
FI860975A 1984-07-20 1986-03-10 Mikroboejkaenslig fiberoptisk kabel. FI75049C (fi)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
SE8403811 1984-07-20
SE8403811A SE443656B (sv) 1984-07-20 1984-07-20 Mikrobojkenslig optisk fiberkabel
SE8500265 1985-06-27
PCT/SE1985/000265 WO1986000988A1 (en) 1984-07-20 1985-06-27 A fibre-optic cable responsive to microbending forces

Publications (4)

Publication Number Publication Date
FI860975A0 FI860975A0 (fi) 1986-03-10
FI860975A FI860975A (fi) 1986-03-10
FI75049B true FI75049B (fi) 1987-12-31
FI75049C FI75049C (fi) 1988-04-11

Family

ID=20356579

Family Applications (1)

Application Number Title Priority Date Filing Date
FI860975A FI75049C (fi) 1984-07-20 1986-03-10 Mikroboejkaenslig fiberoptisk kabel.

Country Status (11)

Country Link
US (1) US4795232A (fi)
EP (1) EP0188512B1 (fi)
JP (1) JPS61502785A (fi)
AU (1) AU575196B2 (fi)
CA (1) CA1265945A (fi)
DE (1) DE3564618D1 (fi)
DK (1) DK156975C (fi)
FI (1) FI75049C (fi)
NO (1) NO166255C (fi)
SE (1) SE443656B (fi)
WO (1) WO1986000988A1 (fi)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4927232A (en) * 1985-03-18 1990-05-22 G2 Systems Corporation Structural monitoring system using fiber optics
AU597937B2 (en) * 1985-03-18 1990-06-14 G2 Systems Corporation Structural monitoring system using fiber optics
CA1268640A (en) * 1985-11-14 1990-05-08 Battelle Development Corporation Fiber-optical pressure detector
CH666552A5 (fr) * 1986-03-06 1988-07-29 Suisse Electronique Microtech Capteur a fibre optique a microcourbures.
AU579041B2 (en) * 1986-05-09 1988-11-10 Thomas & Betts Corporation Method of and apparatus for fiber optic sensing
US5023845A (en) * 1988-10-31 1991-06-11 The United States Of America As Represented By The Secretary Of The Navy Embedded fiber optic beam displacement sensor
DE3901845A1 (de) * 1989-01-23 1990-07-26 Felten & Guilleaume Energie Lichtwellenleiter-sensor fuer kleine zug- oder druckkraefte
FR2650670A1 (fr) * 1989-08-02 1991-02-08 Fiori Costantino Systeme de detection d'incendie ou de tout autre phenomene engendrant une elevation ou une baisse anormale de temperature par rapport a une reference fixee
GB2236388A (en) * 1989-09-21 1991-04-03 Bestquint Ltd Signal sensing in fibre optic sensor control systems
SE468229B (sv) * 1989-10-02 1992-11-23 Survoir Ltd Optisk fiberkabel foer detektering av en temperaturfoeraendring
US5056884A (en) * 1990-04-10 1991-10-15 Automatic Toll Systems, Inc. Fiber optic load sensing device
US5165003A (en) * 1991-06-28 1992-11-17 Sumitomo Electric Fiber Optics Corp. Optical fiber cable including interlocking stitch binder
WO1993025866A1 (en) * 1992-06-05 1993-12-23 Monash University Sensing patches utilising incorporated waveguide sensor
SE502778C2 (sv) * 1993-10-14 1996-01-08 Ericsson Telefon Ab L M Optisk fiber för användning som givare jämte förfarande för framställning av en optisk fiber för användning som givare
US5551484A (en) * 1994-08-19 1996-09-03 Charboneau; Kenneth R. Pipe liner and monitoring system
US5694497A (en) * 1995-06-19 1997-12-02 The United States Of America As Represented By The Secretary Of The Navy Intrinsically self deforming fiber optic microbend pressure and strain sensor
US6429421B1 (en) 2000-01-21 2002-08-06 Luna Innovations, Inc. Flexible fiber optic microbend device, with interlocking flexible fibers, sensors, and method use
JP2007064716A (ja) * 2005-08-30 2007-03-15 Hitachi Cable Ltd 衝突検知センサ
JP4809680B2 (ja) * 2006-01-17 2011-11-09 日立電線株式会社 衝撃検知センサ
JP4891620B2 (ja) * 2006-01-17 2012-03-07 日立電線株式会社 衝撃検知センサ
JP4923960B2 (ja) * 2006-10-31 2012-04-25 日立電線株式会社 衝撃検知光ファイバセンサ
US10843290B2 (en) 2015-01-19 2020-11-24 Weatherford Technology Holdings, Llc Acoustically enhanced optical cables

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3750058A (en) * 1971-12-08 1973-07-31 Bell Telephone Labor Inc Waveguide structure utilizing compliant helical support
US4226504A (en) * 1976-03-15 1980-10-07 Akzona Incorporated Protection of optical fibers
US4342907A (en) * 1977-12-12 1982-08-03 Pedro B. Macedo Optical sensing apparatus and method
GB2058394B (en) * 1979-08-30 1984-01-04 Marconi Co Ltd Pressure sensitive optical fibre cable
EP0066493A1 (en) * 1981-05-15 1982-12-08 Schlumberger Limited Pressure wave fiber optic transducer cable
US4421979A (en) * 1981-08-27 1983-12-20 Trw Inc. Microbending of optical fibers for remote force measurement
EP0082820A3 (fr) * 1981-12-21 1984-03-21 Battelle Memorial Institute Dispositif de détection de pression à fibre optique
DE3211828A1 (de) * 1982-03-31 1983-10-13 Philips Patentverwaltung Gmbh, 2000 Hamburg Druckmesseinrichtung
GB2125572B (en) * 1982-08-03 1985-12-24 Standard Telephones Cables Ltd Optical fibre sensors
US4488040A (en) * 1982-11-19 1984-12-11 Gte Products Corporation Fiber optic sensor

Also Published As

Publication number Publication date
FI860975A0 (fi) 1986-03-10
SE443656B (sv) 1986-03-03
US4795232A (en) 1989-01-03
CA1265945A (en) 1990-02-20
DE3564618D1 (en) 1988-09-29
EP0188512A1 (en) 1986-07-30
DK156975B (da) 1989-10-23
AU575196B2 (en) 1988-07-21
EP0188512B1 (en) 1988-08-24
FI860975A (fi) 1986-03-10
NO166255C (no) 1991-06-19
AU4636785A (en) 1986-02-25
WO1986000988A1 (en) 1986-02-13
DK127586A (da) 1986-03-19
SE8403811L (sv) 1986-01-21
DK127586D0 (da) 1986-03-19
DK156975C (da) 1990-03-19
SE8403811D0 (sv) 1984-07-20
NO166255B (no) 1991-03-11
JPH0570772B2 (fi) 1993-10-05
NO860737L (no) 1986-02-27
FI75049C (fi) 1988-04-11
JPS61502785A (ja) 1986-11-27

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FG Patent granted

Owner name: OY L M ERICSSON AB

MA Patent expired