FR2677462B1 - Capteur optique du type reflectometrique. - Google Patents

Capteur optique du type reflectometrique.

Info

Publication number
FR2677462B1
FR2677462B1 FR9206794A FR9206794A FR2677462B1 FR 2677462 B1 FR2677462 B1 FR 2677462B1 FR 9206794 A FR9206794 A FR 9206794A FR 9206794 A FR9206794 A FR 9206794A FR 2677462 B1 FR2677462 B1 FR 2677462B1
Authority
FR
France
Prior art keywords
reflectometric
optical sensor
type optical
type
sensor
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
FR9206794A
Other languages
English (en)
Other versions
FR2677462A1 (fr
Inventor
Jack Marcus Keen
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.)
BAE Systems Electronics Ltd
Original Assignee
GEC Marconi Ltd
Marconi Co Ltd
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
Priority claimed from GB919112107A external-priority patent/GB9112107D0/en
Application filed by GEC Marconi Ltd, Marconi Co Ltd filed Critical GEC Marconi Ltd
Publication of FR2677462A1 publication Critical patent/FR2677462A1/fr
Application granted granted Critical
Publication of FR2677462B1 publication Critical patent/FR2677462B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • 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
FR9206794A 1991-06-05 1992-06-04 Capteur optique du type reflectometrique. Expired - Fee Related FR2677462B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB919112107A GB9112107D0 (en) 1991-06-05 1991-06-05 Improvements to optical sensors
GB9208507A GB2256480B (en) 1991-06-05 1992-04-16 Improvements to optical sensors

Publications (2)

Publication Number Publication Date
FR2677462A1 FR2677462A1 (fr) 1992-12-11
FR2677462B1 true FR2677462B1 (fr) 1997-04-04

Family

ID=26299017

Family Applications (2)

Application Number Title Priority Date Filing Date
FR9206794A Expired - Fee Related FR2677462B1 (fr) 1991-06-05 1992-06-04 Capteur optique du type reflectometrique.
FR9700093A Expired - Fee Related FR2741458B1 (fr) 1991-06-05 1997-01-08 Capteur reflectometrique optique

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR9700093A Expired - Fee Related FR2741458B1 (fr) 1991-06-05 1997-01-08 Capteur reflectometrique optique

Country Status (3)

Country Link
CA (1) CA2069580A1 (fr)
FR (2) FR2677462B1 (fr)
GB (1) GB2256480B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2256480B (en) * 1991-06-05 1995-02-01 Marconi Gec Ltd Improvements to optical sensors

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6904621A (fr) * 1969-03-25 1970-09-29
DD201191B1 (de) * 1981-09-24 1987-07-15 Ilmenau Tech Hochschule Kippinvariantes interferometer mit ebenen spiegeln
GB2126820B (en) * 1982-07-17 1986-03-26 Plessey Co Plc An optical sensing system
GB2127960B (en) * 1982-09-29 1985-12-11 British Aerospace Ring laser gyroscope readout arrangements
US4725143A (en) * 1984-06-30 1988-02-16 Kent Scientific And Industrial Projects Limited Interferometric sensor
US4653915A (en) * 1985-04-12 1987-03-31 The United States Of America As Represented By The Secretary Of The Navy Method for reduction of polarization fading in interferometers
GB2199713A (en) * 1986-12-31 1988-07-13 Stc Plc Optical communication system
GB2215549B (en) * 1988-03-08 1992-02-12 Stc Plc Sensor
GB2224566A (en) * 1988-06-30 1990-05-09 British Aerospace An optical sensor for determining changes in a dimension and/or a temperature of an object
US4932783A (en) * 1989-07-21 1990-06-12 United States Of America As Represented By The Secretary Of The Navy Apparatus and method for minimizing polarization-induced signal fading in an interferometric fiber-optic sensor using input-polarization modulation
GB2256480B (en) * 1991-06-05 1995-02-01 Marconi Gec Ltd Improvements to optical sensors

Also Published As

Publication number Publication date
GB9208507D0 (en) 1992-06-03
GB2256480A (en) 1992-12-09
FR2741458B1 (fr) 1998-04-30
FR2741458A1 (fr) 1997-05-23
CA2069580A1 (fr) 1992-12-06
GB2256480B (en) 1995-02-01
FR2677462A1 (fr) 1992-12-11

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse