GB8723955D0 - Measurement of distortion - Google Patents

Measurement of distortion

Info

Publication number
GB8723955D0
GB8723955D0 GB878723955A GB8723955A GB8723955D0 GB 8723955 D0 GB8723955 D0 GB 8723955D0 GB 878723955 A GB878723955 A GB 878723955A GB 8723955 A GB8723955 A GB 8723955A GB 8723955 D0 GB8723955 D0 GB 8723955D0
Authority
GB
United Kingdom
Prior art keywords
distortion
measurement
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.)
Granted
Application number
GB878723955A
Other versions
GB2238112B (en
GB2238112A (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 PLC
Original Assignee
British Aerospace PLC
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 British Aerospace PLC filed Critical British Aerospace PLC
Priority to US07/118,778 priority Critical patent/US5038618A/en
Publication of GB8723955D0 publication Critical patent/GB8723955D0/en
Publication of GB2238112A publication Critical patent/GB2238112A/en
Application granted granted Critical
Publication of GB2238112B publication Critical patent/GB2238112B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
    • G01B11/18—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge using photoelastic elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41G—WEAPON SIGHTS; AIMING
    • F41G5/00—Elevating or traversing control systems for guns
    • F41G5/14—Elevating or traversing control systems for guns for vehicle-borne guns
    • F41G5/20—Elevating or traversing control systems for guns for vehicle-borne guns for guns on ships
GB8723955A 1986-11-11 1987-10-12 Measurement of distortion Expired - Lifetime GB2238112B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US07/118,778 US5038618A (en) 1986-11-11 1987-11-10 Measurement of distortion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8626935 1986-11-11

Publications (3)

Publication Number Publication Date
GB8723955D0 true GB8723955D0 (en) 1991-02-20
GB2238112A GB2238112A (en) 1991-05-22
GB2238112B GB2238112B (en) 1991-10-09

Family

ID=10607153

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8723955A Expired - Lifetime GB2238112B (en) 1986-11-11 1987-10-12 Measurement of distortion

Country Status (1)

Country Link
GB (1) GB2238112B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU6389098A (en) * 1997-03-17 1998-10-12 Canadian Space Agency Topological and motion measuring tool
US6127672A (en) * 1997-05-23 2000-10-03 Canadian Space Agency Topological and motion measuring tool
US20200278195A1 (en) * 2017-09-19 2020-09-03 Afl Telecommunications Llc Monitoring cables and methods for monitoring rail tracks

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1983000744A1 (en) * 1981-08-27 1983-03-03 Trw Inc Microbending of optical fibers for remote force measurement
GB2126820B (en) * 1982-07-17 1986-03-26 Plessey Co Plc An optical sensing system
GB2136113B (en) * 1983-03-05 1986-08-06 Plessey Co Plc Improvements relating to optical sensing systems
GB2166020B (en) * 1984-09-29 1988-05-18 Plessey Co Plc Otdr-uses multiple frequencies to detect distortions in an optical fibre
GB2165118B (en) * 1984-09-29 1988-01-20 Plessey Co Plc Otdr for sensing distortions in optical fibres
GB2172101B (en) * 1985-03-05 1988-08-17 Plessey Co Plc Improvements relating to optical sensing systems
GB2189880B (en) * 1986-04-30 1989-12-28 Plessey Co Plc Optical sensor system
GB2190262B (en) * 1986-05-09 1990-09-05 Stc Plc Sensor

Also Published As

Publication number Publication date
GB2238112B (en) 1991-10-09
GB2238112A (en) 1991-05-22

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19921012

728C Application made for restoration (sect. 28/1977)
728A Order made restoring the patent (sect. 28/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19991012