GB9020713D0 - Improvements relating to optical fibre coil assemblies - Google Patents

Improvements relating to optical fibre coil assemblies

Info

Publication number
GB9020713D0
GB9020713D0 GB9020713A GB9020713A GB9020713D0 GB 9020713 D0 GB9020713 D0 GB 9020713D0 GB 9020713 A GB9020713 A GB 9020713A GB 9020713 A GB9020713 A GB 9020713A GB 9020713 D0 GB9020713 D0 GB 9020713D0
Authority
GB
United Kingdom
Prior art keywords
optical fibre
improvements relating
coil assemblies
fibre coil
assemblies
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.)
Withdrawn
Application number
GB9020713A
Other versions
GB2248295A (en
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
Application filed by GEC Marconi Ltd, Marconi Co Ltd filed Critical GEC Marconi Ltd
Priority to GB9020713A priority Critical patent/GB2248295A/en
Publication of GB9020713D0 publication Critical patent/GB9020713D0/en
Priority to FR9111661A priority patent/FR2667163A1/en
Publication of GB2248295A publication Critical patent/GB2248295A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
    • G01H9/004—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors
    • 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
    • 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
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02—General constructional details
    • G01R1/06—Measuring leads; Measuring probes
    • G01R1/067—Measuring probes
    • G01R1/07—Non contact-making probes
    • G01R1/071—Non contact-making probes containing electro-optic elements
GB9020713A 1990-09-22 1990-09-22 Optical fibre coil assemblies Withdrawn GB2248295A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9020713A GB2248295A (en) 1990-09-22 1990-09-22 Optical fibre coil assemblies
FR9111661A FR2667163A1 (en) 1990-09-22 1991-09-20 OPTICAL FIBER COIL ASSEMBLY.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9020713A GB2248295A (en) 1990-09-22 1990-09-22 Optical fibre coil assemblies

Publications (2)

Publication Number Publication Date
GB9020713D0 true GB9020713D0 (en) 1991-06-12
GB2248295A GB2248295A (en) 1992-04-01

Family

ID=10682628

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9020713A Withdrawn GB2248295A (en) 1990-09-22 1990-09-22 Optical fibre coil assemblies

Country Status (2)

Country Link
FR (1) FR2667163A1 (en)
GB (1) GB2248295A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2715730B1 (en) * 1994-02-01 1996-03-01 Thomson Csf Coiled fiber optic pressure sensor.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2566907B1 (en) * 1984-06-28 1986-07-11 Flonic Sa PRESSURE SENSOR
CA1219633A (en) * 1984-11-13 1987-03-24 Her Majesty The Queen, In Right Of Canada, As Represented By The Minister Of National Defence Magnetic transducer
US4850098A (en) * 1988-04-15 1989-07-25 The United States Of America As Represented By The Secretary Of The Navy Method and apparatus to enhance the sensitivity of cylindrical magnetostrictive transducer to magnetic fields
GB2208711A (en) * 1988-08-16 1989-04-12 Plessey Co Plc Fibre optic sensor

Also Published As

Publication number Publication date
GB2248295A (en) 1992-04-01
FR2667163A1 (en) 1992-03-27

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)