GB2136113B - Improvements relating to optical sensing systems - Google Patents

Improvements relating to optical sensing systems

Info

Publication number
GB2136113B
GB2136113B GB08306135A GB8306135A GB2136113B GB 2136113 B GB2136113 B GB 2136113B GB 08306135 A GB08306135 A GB 08306135A GB 8306135 A GB8306135 A GB 8306135A GB 2136113 B GB2136113 B GB 2136113B
Authority
GB
United Kingdom
Prior art keywords
optical sensing
improvements relating
sensing systems
systems
relating
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
Application number
GB08306135A
Other versions
GB2136113A (en
Inventor
Christopher Anthony Wade
John Philip Dakin
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.)
Plessey Co Ltd
Original Assignee
Plessey 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 Plessey Co Ltd filed Critical Plessey Co Ltd
Priority to GB08306135A priority Critical patent/GB2136113B/en
Priority to AU25092/84A priority patent/AU564486B2/en
Publication of GB2136113A publication Critical patent/GB2136113A/en
Application granted granted Critical
Publication of GB2136113B publication Critical patent/GB2136113B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
GB08306135A 1983-03-05 1983-03-05 Improvements relating to optical sensing systems Expired GB2136113B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB08306135A GB2136113B (en) 1983-03-05 1983-03-05 Improvements relating to optical sensing systems
AU25092/84A AU564486B2 (en) 1983-03-05 1984-02-27 Optical sensing system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08306135A GB2136113B (en) 1983-03-05 1983-03-05 Improvements relating to optical sensing systems

Publications (2)

Publication Number Publication Date
GB2136113A GB2136113A (en) 1984-09-12
GB2136113B true GB2136113B (en) 1986-08-06

Family

ID=10539071

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08306135A Expired GB2136113B (en) 1983-03-05 1983-03-05 Improvements relating to optical sensing systems

Country Status (2)

Country Link
AU (1) AU564486B2 (en)
GB (1) GB2136113B (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4545253A (en) * 1983-08-29 1985-10-08 Exxon Production Research Co. Fiber optical modulator and data multiplexer
GB2166020B (en) * 1984-09-29 1988-05-18 Plessey Co Plc Otdr-uses multiple frequencies to detect distortions in an optical fibre
DE3506884A1 (en) * 1985-02-27 1986-08-28 Philips Patentverwaltung Gmbh, 2000 Hamburg OPTICAL TIME AREA REFLECTOR WITH HETERODYN RECEPTION
US4795226A (en) * 1985-09-10 1989-01-03 Plessey Overseas Limited Optical fibre reflective diffraction grating devices
JPS62111212A (en) * 1985-09-10 1987-05-22 ジーイーシー　―　マルコニ　リミテッド Optical device
GB2182223A (en) * 1985-10-23 1987-05-07 Stc Plc Optical fibre reflectometer
GB2192984B (en) * 1986-07-25 1990-07-18 Plessey Co Plc Optical sensing arrangements
GB2238112B (en) * 1986-11-11 1991-10-09 British Aerospace Measurement of distortion
US5038618A (en) * 1986-11-11 1991-08-13 British Aerospace Public Limited Company Measurement of distortion
GB2199135B (en) * 1986-12-10 1990-11-07 Plessey Co Plc Improvements relating to optical sensing arrangements
FR2610465A1 (en) * 1987-02-02 1988-08-05 Photonetics FIBER OPTIC SENSING DEVICE INVOLVING PROPER OPERATION
GB2202046A (en) * 1987-03-11 1988-09-14 Plessey Co Plc Optical fibre sensor arrangement
GB2215055B (en) * 1988-02-20 1992-04-01 Stc Plc Optical fibre sensor
GB8828408D0 (en) * 1988-12-06 1989-01-05 British Telecomm Loss detector
IT1237486B (en) * 1989-06-23 1993-06-07 Agip Spa PROCEDURE AND DEVICE WITH OPTICAL FIBER INTERFEROMETRIC SENSORS FOR THE ANALYSIS OF THE DYNAMIC DEFORMATION OF A STRUCTURE OR ITS COMPONENTS
DE4018740A1 (en) * 1990-06-12 1991-12-19 Strabag Bau Ag DEVICE FOR DETERMINING LENGTH CHANGES OF A MEDIUM LONG A MEASURED DISTANCE
GB9026588D0 (en) * 1990-12-06 1991-04-24 Marconi Gec Ltd Improvements relating to optical sensing systems
DE4132113A1 (en) * 1991-09-26 1993-04-01 Siemens Ag Strain measurement pick=up for weighing appts. - operates on interferometer principle, and amplifies change in optical guide length by multiple reflections of beam
CN106092305B (en) * 2016-08-25 2022-02-18 上海交通大学 Distributed optical fiber sensing system and vibration detection positioning method thereof

Also Published As

Publication number Publication date
AU564486B2 (en) 1987-08-13
GB2136113A (en) 1984-09-12
AU2509284A (en) 1984-09-06

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940305