GB8900183D0 - Optical fibre pressure transducer - Google Patents

Optical fibre pressure transducer

Info

Publication number
GB8900183D0
GB8900183D0 GB898900183A GB8900183A GB8900183D0 GB 8900183 D0 GB8900183 D0 GB 8900183D0 GB 898900183 A GB898900183 A GB 898900183A GB 8900183 A GB8900183 A GB 8900183A GB 8900183 D0 GB8900183 D0 GB 8900183D0
Authority
GB
United Kingdom
Prior art keywords
pressure transducer
optical fibre
fibre pressure
optical
transducer
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Withdrawn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
GB898900183A
Other versions
GB2214771A (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.)
Unisearch Ltd
Original Assignee
Unisearch 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 Unisearch Ltd filed Critical Unisearch Ltd
Publication of GB8900183D0 publication Critical patent/GB8900183D0/en
Publication of GB2214771A publication Critical patent/GB2214771A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/181—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems
    • G08B13/183—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems by interruption of a radiation beam or barrier
    • G08B13/186—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems by interruption of a radiation beam or barrier using light guides, e.g. optical fibres
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
    • G01G19/02—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles
    • G01G19/022—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles for weighing wheeled or rolling bodies in motion
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G3/00—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances
    • G01G3/12—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing
    • G01G3/125—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing wherein the weighing element is an optical member
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/24—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
    • G01L1/242—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre
    • G01L1/243—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre using means for applying force perpendicular to the fibre axis
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/02—Detecting movement of traffic to be counted or controlled using treadles built into the road

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
GB8900183A 1988-01-06 1989-01-05 Optical fibre pressure or weight transducer Withdrawn GB2214771A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPI619488 1988-01-06

Publications (2)

Publication Number Publication Date
GB8900183D0 true GB8900183D0 (en) 1989-03-01
GB2214771A GB2214771A (en) 1989-09-13

Family

ID=3772707

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8900183A Withdrawn GB2214771A (en) 1988-01-06 1989-01-05 Optical fibre pressure or weight transducer

Country Status (3)

Country Link
CN (1) CN1035355A (en)
AU (1) AU2770189A (en)
GB (1) GB2214771A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2673749B1 (en) * 1991-03-08 1995-06-23 Electronique Controle Mesure DEVICE FOR DETECTING PASSAGE ON A PAVEMENT, AND ITS METHOD OF LAYING.
FR2735231B1 (en) * 1995-06-09 1997-08-14 Seb Sa FORCE MEASURING APPARATUS WITH OPTICAL SENSOR FOR LIMITING ECCENTRATION FAULTS, PARTICULARLY FOR A SCALE, AND METHOD FOR PRODUCING SUCH AN APPARATUS
US5952647A (en) * 1996-03-20 1999-09-14 Seb S.A. Force measuring apparatus with optical sensor enabling limitation of eccentricity defects in particular for bathroom scales and method of manufacturing apparatus of this kind
GB0103665D0 (en) * 2001-02-15 2001-03-28 Secr Defence Road traffic monitoring system
JP2005249680A (en) * 2004-03-05 2005-09-15 Denso Corp Attaching structure for load sensor
JP4082692B2 (en) * 2004-03-18 2008-04-30 株式会社デンソー Pedestrian detection device
CN1308660C (en) * 2004-06-18 2007-04-04 梁少华 Optical fiber weighing system
CN110371835A (en) * 2019-08-27 2019-10-25 刘彬 The optical fiber type pedestrian of a kind of escalator or moving sidewalk passes in and out terraced monitoring device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0278143B1 (en) * 1987-02-13 1991-07-31 G2 SYSTEMS CORPORATION (a California corporation) Structural monitoring system using fiber optics
GB8322486D0 (en) * 1983-08-20 1983-09-21 Nmi Ltd Crack monitors
GB8322487D0 (en) * 1983-08-20 1983-09-21 Nmi Ltd Crack monitors
GB8322485D0 (en) * 1983-08-20 1983-09-21 Nmi Ltd Crack monitor systems
GB2199938A (en) * 1987-01-20 1988-07-20 De La Rue Syst Force detection assembly
GB8704540D0 (en) * 1987-02-26 1987-04-01 Bicc Plc Optical sensors

Also Published As

Publication number Publication date
GB2214771A (en) 1989-09-13
CN1035355A (en) 1989-09-06
AU2770189A (en) 1989-07-06

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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)