FR2727201B1 - METHOD FOR DETECTING AND / OR MEASURING PHYSICAL QUANTITIES USING A DISTRIBUTED SENSOR - Google Patents

METHOD FOR DETECTING AND / OR MEASURING PHYSICAL QUANTITIES USING A DISTRIBUTED SENSOR

Info

Publication number
FR2727201B1
FR2727201B1 FR9413768A FR9413768A FR2727201B1 FR 2727201 B1 FR2727201 B1 FR 2727201B1 FR 9413768 A FR9413768 A FR 9413768A FR 9413768 A FR9413768 A FR 9413768A FR 2727201 B1 FR2727201 B1 FR 2727201B1
Authority
FR
France
Prior art keywords
detecting
physical quantities
measuring physical
distributed sensor
distributed
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
FR9413768A
Other languages
French (fr)
Other versions
FR2727201A1 (en
Inventor
Andre Tardy
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.)
Nexans France SAS
Original Assignee
Alcatel Cable 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 Alcatel Cable SA filed Critical Alcatel Cable SA
Priority to FR9413768A priority Critical patent/FR2727201B1/en
Priority to DK95402557T priority patent/DK0713077T3/en
Priority to EP95402557A priority patent/EP0713077B1/en
Priority to DE69513937T priority patent/DE69513937T2/en
Priority to FI955511A priority patent/FI955511A/en
Priority to US08/558,158 priority patent/US5684297A/en
Priority to BR9505199A priority patent/BR9505199A/en
Priority to KR1019950041619A priority patent/KR960018538A/en
Priority to CN95119703A priority patent/CN1183548A/en
Priority to JP7300286A priority patent/JPH08240451A/en
Publication of FR2727201A1 publication Critical patent/FR2727201A1/en
Application granted granted Critical
Publication of FR2727201B1 publication Critical patent/FR2727201B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • 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
FR9413768A 1994-11-17 1994-11-17 METHOD FOR DETECTING AND / OR MEASURING PHYSICAL QUANTITIES USING A DISTRIBUTED SENSOR Expired - Fee Related FR2727201B1 (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
FR9413768A FR2727201B1 (en) 1994-11-17 1994-11-17 METHOD FOR DETECTING AND / OR MEASURING PHYSICAL QUANTITIES USING A DISTRIBUTED SENSOR
EP95402557A EP0713077B1 (en) 1994-11-17 1995-11-15 Detection and/or measurement procedure for physical entities using a distributed sensor
DE69513937T DE69513937T2 (en) 1994-11-17 1995-11-15 Method for measuring and detecting physical quantities using a multi-point sensor
FI955511A FI955511A (en) 1994-11-17 1995-11-15 A method of detecting and / or measuring physical quantities with a scattered sensor
US08/558,158 US5684297A (en) 1994-11-17 1995-11-15 Method of detecting and/or measuring physical magnitudes using a distributed sensor
DK95402557T DK0713077T3 (en) 1994-11-17 1995-11-15 Method for detecting and / or measuring physical sizes using a distributed sensor
BR9505199A BR9505199A (en) 1994-11-17 1995-11-16 Detection and / or measurement process of variations of a physical quantity with the aid of a distributed or combined pickup
KR1019950041619A KR960018538A (en) 1994-11-17 1995-11-16 Method of detection and / or measurement of physical size using distribution sensor
CN95119703A CN1183548A (en) 1994-11-17 1995-11-16 Method for detecting and/or measuring physical quantity by distribution sensor
JP7300286A JPH08240451A (en) 1994-11-17 1995-11-17 Method for performing measurement or detection or both of physical quantity by utilizing distribution-type sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9413768A FR2727201B1 (en) 1994-11-17 1994-11-17 METHOD FOR DETECTING AND / OR MEASURING PHYSICAL QUANTITIES USING A DISTRIBUTED SENSOR

Publications (2)

Publication Number Publication Date
FR2727201A1 FR2727201A1 (en) 1996-05-24
FR2727201B1 true FR2727201B1 (en) 1996-12-27

Family

ID=9468883

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9413768A Expired - Fee Related FR2727201B1 (en) 1994-11-17 1994-11-17 METHOD FOR DETECTING AND / OR MEASURING PHYSICAL QUANTITIES USING A DISTRIBUTED SENSOR

Country Status (1)

Country Link
FR (1) FR2727201B1 (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2268581A (en) * 1992-07-03 1994-01-12 Marconi Gec Ltd Optical fibre diffraction grating sensor

Also Published As

Publication number Publication date
FR2727201A1 (en) 1996-05-24

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