AU4529700A - Fiber optic curvature sensor - Google Patents

Fiber optic curvature sensor

Info

Publication number
AU4529700A
AU4529700A AU45297/00A AU4529700A AU4529700A AU 4529700 A AU4529700 A AU 4529700A AU 45297/00 A AU45297/00 A AU 45297/00A AU 4529700 A AU4529700 A AU 4529700A AU 4529700 A AU4529700 A AU 4529700A
Authority
AU
Australia
Prior art keywords
fiber optic
curvature sensor
optic curvature
sensor
fiber
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.)
Abandoned
Application number
AU45297/00A
Inventor
Lee A. Danisch
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.)
LEE A DANISCH
Original Assignee
LEE A DANISCH
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 LEE A DANISCH filed Critical LEE A DANISCH
Publication of AU4529700A publication Critical patent/AU4529700A/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
    • G01G19/40—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups with provisions for indicating, recording, or computing price or other quantities dependent on the weight
    • G01G19/413—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups with provisions for indicating, recording, or computing price or other quantities dependent on the weight using electromechanical or electronic computing means
    • G01G19/414—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups with provisions for indicating, recording, or computing price or other quantities dependent on the weight using electromechanical or electronic computing means using electronic computing means only
    • G01G19/4142—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups with provisions for indicating, recording, or computing price or other quantities dependent on the weight using electromechanical or electronic computing means using electronic computing means only for controlling activation of safety devices, e.g. airbag systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • B60R21/015—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting the presence or position of passengers, passenger seats or child seats, and the related safety parameters therefor, e.g. speed or timing of airbag inflation in relation to occupant position or seat belt use
    • B60R21/01512—Passenger detection systems
    • B60R21/01516—Passenger detection systems using force or pressure sensing means
    • 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
    • G01D5/268—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 using optical fibres
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/284—Electromagnetic waves
    • G01F23/292—Light, e.g. infrared or ultraviolet
    • G01F23/2921—Light, e.g. infrared or ultraviolet for discrete levels
    • G01F23/2922—Light, e.g. infrared or ultraviolet for discrete levels with light-conducting sensing elements, e.g. prisms
    • G01F23/2925—Light, e.g. infrared or ultraviolet for discrete levels with light-conducting sensing elements, e.g. prisms using electrical detecting means
    • G01F23/2927—Light, e.g. infrared or ultraviolet for discrete levels with light-conducting sensing elements, e.g. prisms using electrical detecting means for several discrete levels, e.g. with more than one light-conducting sensing element
    • 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
    • G01L1/245—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 using microbending
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • B60R2021/0104—Communication circuits for data transmission
    • B60R2021/01081—Transmission medium
    • B60R2021/01095—Transmission medium optical
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
    • B60R21/0136—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over responsive to actual contact with an obstacle, e.g. to vehicle deformation, bumper displacement or bumper velocity relative to the vehicle
AU45297/00A 1999-05-11 2000-05-03 Fiber optic curvature sensor Abandoned AU4529700A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CA 2271918 CA2271918A1 (en) 1999-05-11 1999-05-11 Transversely coupled fiber optic sensor for measuring and classifying contact and shape
CA2271918 1999-05-11
PCT/CA2000/000512 WO2000068645A1 (en) 1999-05-11 2000-05-03 Fiber optic curvature sensor

Publications (1)

Publication Number Publication Date
AU4529700A true AU4529700A (en) 2000-11-21

Family

ID=4163549

Family Applications (1)

Application Number Title Priority Date Filing Date
AU45297/00A Abandoned AU4529700A (en) 1999-05-11 2000-05-03 Fiber optic curvature sensor

Country Status (4)

Country Link
EP (1) EP1181504A1 (en)
AU (1) AU4529700A (en)
CA (1) CA2271918A1 (en)
WO (1) WO2000068645A1 (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2424708A1 (en) * 2003-04-08 2004-10-08 Lee A. Danisch A method and apparatus for sensing impact between a vehicle and an object
FR2869711B1 (en) * 2004-04-30 2008-08-15 Siemens Vdo Automotive Sas IMPACT LOCATION SENSOR (S) AND CORRESPONDING LOCATION METHOD
DE102005012689B3 (en) * 2005-03-18 2006-11-23 Siemens Ag Method of making a tape
DE102006045138A1 (en) 2006-03-27 2007-11-15 Siemens Ag Device, sensor, sensor element and method for measuring the spinal column course and changes in the course of the spine
DE102006029020B3 (en) 2006-06-14 2007-07-19 Siemens Ag Optical sensor fiber for motor vehicle, has bend sensitive zone that is formed by untreated fiber section that extends itself between surface treated fiber sections, where fiber is multimode fiber, and sections lie outside of zone
DE102006034841A1 (en) * 2006-07-27 2008-01-31 Siemens Ag Sliver for a fiber optic sensor
DE102006043344B3 (en) * 2006-09-15 2008-04-10 Siemens Ag Sensorband
DE102006052255A1 (en) * 2006-11-03 2008-05-08 Schott Ag Passive star coupler i.e. pigtail module, for optical network i.e. bus system, of e.g. aircraft, has light reflector reflecting light into light conductor section i.e. core-shell-rod, such that light is transmitted through one conductor
US9355575B2 (en) 2012-06-12 2016-05-31 Humanetics Innovative Solutions, Inc. Chest band assembly for crash test dummy
WO2015023255A1 (en) 2013-08-12 2015-02-19 Halliburton Energy Services, Inc Systems and methods for spread spectrum distributed acoustic sensor monitoring
DE102013019774B4 (en) 2013-11-23 2019-05-09 Westsächsische Hochschule Zwickau Optical arrangement for determining changes in position, positions, deformation, movements, accelerations and speeds
WO2016033199A1 (en) 2014-08-28 2016-03-03 Adelos, Inc. Real-time fiber optic interferometry controller
FR3039893B1 (en) * 2015-08-03 2019-05-24 Areva Np DEVICE FOR MEASURING LIQUID LEVEL BY OPTICAL REFLECTROMETRY, STRUCTURE COMPRISING SUCH A DEVICE AND CORRESPONDING MEASUREMENT METHOD
CN112005075A (en) 2018-01-24 2020-11-27 惠曼创新解决方案公司 Optical fiber system for detecting forces on and measuring deformations of anthropomorphic testing device
CN113692525A (en) * 2019-02-20 2021-11-23 惠曼创新解决方案公司 Shape sensing system and method for anthropomorphic testing device
CN113710998A (en) 2019-02-20 2021-11-26 惠曼创新解决方案公司 Optical fiber system with spiral core structure for detecting force during collision test
CN110095086A (en) * 2019-06-03 2019-08-06 呜啦啦(广州)科技有限公司 Current type compound bending sensor and preparation method thereof

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4420251A (en) * 1980-05-05 1983-12-13 Rockwell International Corporation Optical deformation sensor
FR2544877B1 (en) * 1983-04-22 1986-07-04 Electricite De France OPTICAL PROBE
AU580733B2 (en) * 1983-05-25 1989-02-02 Camino Laboratories, Inc. Fiber-optic transducer apparatus
DE3415242C1 (en) * 1984-04-24 1985-10-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München Fibre-optical sensor
GB8422910D0 (en) * 1984-09-11 1984-10-17 Lucas Ind Plc Liquid level gauge
US4839512A (en) * 1987-01-27 1989-06-13 Tactilitics, Inc. Tactile sensing method and apparatus having grids as a means to detect a physical parameter
US4830461A (en) * 1987-01-29 1989-05-16 Bridgestone Corporation Pressure-sensitive sensors
US4928006A (en) * 1987-03-13 1990-05-22 Kershaw Charles H Fluid coupled fiber optic sensor
EP0334533B1 (en) * 1988-03-15 1992-10-14 IMO INDUSTRIES Inc. Fibre optic discrete or continuous liquid level sensor
US5026984A (en) * 1990-01-16 1991-06-25 Sperry Marine, Inc. Methods for sensing temperature, pressure and liquid level and variable ratio fiber optic coupler sensors therefor
WO1993022624A1 (en) * 1992-05-05 1993-11-11 The University Of Queensland Optical displacement sensor
DE4332807C2 (en) * 1992-10-20 2002-07-18 Schlattl Werner Bavaria Tech Opto-electrical sensor
AU6967094A (en) * 1993-06-10 1995-01-03 Lee A. Danisch Fiber optic bending and positioning sensor
US5445412A (en) * 1994-03-07 1995-08-29 Automotive Systems Laboratory, Inc. Vehicle impact detection system
DE4407763B4 (en) * 1994-03-09 2005-07-21 Robert Bosch Gmbh sensor
DE4433046A1 (en) * 1994-09-16 1996-03-21 Bosch Gmbh Robert Sensor assembly with light transmitter and receiver and light conducting element
FR2728677B1 (en) * 1994-12-21 1997-03-14 Bidim Geosynthetics Sa METHOD FOR DETECTING DEFORMATIONS WITH DEFINED THRESHOLDS OF A CIVIL WORK
US5917180A (en) * 1997-07-16 1999-06-29 Canadian Space Agency Pressure sensor based on illumination of a deformable integrating cavity

Also Published As

Publication number Publication date
WO2000068645A1 (en) 2000-11-16
EP1181504A1 (en) 2002-02-27
CA2271918A1 (en) 2000-11-11

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase