DE3661228D1 - Optical device for strain detection, method for measuring the strain by means of said device and their application to scales - Google Patents

Optical device for strain detection, method for measuring the strain by means of said device and their application to scales

Info

Publication number
DE3661228D1
DE3661228D1 DE8686901426T DE3661228T DE3661228D1 DE 3661228 D1 DE3661228 D1 DE 3661228D1 DE 8686901426 T DE8686901426 T DE 8686901426T DE 3661228 T DE3661228 T DE 3661228T DE 3661228 D1 DE3661228 D1 DE 3661228D1
Authority
DE
Germany
Prior art keywords
strain
scales
measuring
application
optical device
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
DE8686901426T
Other languages
English (en)
Inventor
Jean-Claude Bocquet
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.)
BOCQUET JEAN CLAUDE
Original Assignee
BOCQUET JEAN CLAUDE
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 BOCQUET JEAN CLAUDE filed Critical BOCQUET JEAN CLAUDE
Application granted granted Critical
Publication of DE3661228D1 publication Critical patent/DE3661228D1/de
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S177/00—Weighing scales
    • Y10S177/06—Photoelectric

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
DE8686901426T 1985-03-07 1986-03-05 Optical device for strain detection, method for measuring the strain by means of said device and their application to scales Expired DE3661228D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8503356A FR2578645B1 (fr) 1985-03-07 1985-03-07 Dispositif optique de detection d'effort, procede de mesure d'effort au moyen dudit dispositif et leur application a une balance
PCT/FR1986/000071 WO1986005273A1 (fr) 1985-03-07 1986-03-05 Dispositif optique de detection d'effort, procede de mesure d'effort au moyen dudit dispositif et leur application a une balance

Publications (1)

Publication Number Publication Date
DE3661228D1 true DE3661228D1 (en) 1988-12-22

Family

ID=9316963

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686901426T Expired DE3661228D1 (en) 1985-03-07 1986-03-05 Optical device for strain detection, method for measuring the strain by means of said device and their application to scales

Country Status (7)

Country Link
US (1) US4781056A (de)
EP (1) EP0214213B1 (de)
JP (1) JPS62502142A (de)
CA (1) CA1268346A (de)
DE (1) DE3661228D1 (de)
FR (1) FR2578645B1 (de)
WO (1) WO1986005273A1 (de)

Families Citing this family (81)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR890700814A (ko) * 1987-01-21 1989-04-27 한스 빌헬름 해프너, 거드쿠도르퍼 광학센서
EP0328703B1 (de) * 1988-02-17 1991-10-16 Wolfgang Brunner Messverfahren zum ortsaufgelösten Messen von Drücken
US5015842A (en) * 1989-06-01 1991-05-14 United Technologies Corporation High density fiber optic damage detection system
US5072110A (en) * 1989-09-05 1991-12-10 Canadian Marconi Company Fiber optic strain and impact sensor system for composite materials
US5142141A (en) * 1990-09-19 1992-08-25 The Boeing Company Crack growth measurement network with primary and shunt optical fibers
GB2252402A (en) * 1990-12-14 1992-08-05 Al Mohanadi Abdul Latif Khalaf Fibre optic sensor
WO1993004350A1 (en) * 1991-08-25 1993-03-04 Avco Corporation Optical fiber strain transducer having a radius of curvature equal to or less than a critical radius of curvature
IL99773A (en) * 1991-10-17 1995-11-27 Israel State Pressure sensor
FR2689234B1 (fr) * 1992-03-26 1994-07-01 Opto Ind Detecteur de pression a fibre optique perfectionne.
US5260520A (en) * 1992-04-02 1993-11-09 Martin Marietta Energy Systems, Inc. Apparatus for weighing and identifying characteristics of a moving vehicle
DE69330265T2 (de) * 1992-11-25 2002-02-07 Simmonds Precision Products Inc., Akron Datenverarbeitungsstrukturen und Methoden
US5338928A (en) * 1993-04-28 1994-08-16 General Electric Company System and method for controlling deformation of a structure having a phase shift detector
US5602540A (en) * 1993-06-14 1997-02-11 Simmonds Precision Products Inc. Fluid gauging apparatus with inductive interrogation
US5581248A (en) * 1993-06-14 1996-12-03 Simmonds Precision Products, Inc. Embeddable device for contactless interrogation of sensors for smart structures
US5433115A (en) * 1993-06-14 1995-07-18 Simmonds Precision Products, Inc. Contactless interrogation of sensors for smart structures
US5515041A (en) * 1993-06-14 1996-05-07 Simmonds Precision Products Inc. Composite shaft monitoring system
JP3182479B2 (ja) * 1993-08-12 2001-07-03 淑 中山 弾性計測装置
JP3237810B2 (ja) * 1994-03-18 2001-12-10 株式会社豊田中央研究所 応力検出方法
US5505072A (en) * 1994-11-15 1996-04-09 Tekscan, Inc. Scanning circuit for pressure responsive array
NO303470B1 (no) * 1994-12-16 1998-07-13 Safety One As FremgangsmÕte og system til kontinuerlig og global overvÕking av dynamiske belastninger
FR2733591B1 (fr) * 1995-04-26 1997-06-13 Honeywell Dispositif optique sensible a la pression et plancher de detection de presence
US5896191A (en) * 1997-05-13 1999-04-20 Mcdonnell Douglas Reinforced elastomer panel with embedded strain and pressure sensors
US6850315B1 (en) 1998-08-26 2005-02-01 The Board Of Governors For Higher Education State Of Rhode Island And Providence Plantations Intensity-based optical waveguide sensor
US6040532A (en) * 1998-10-26 2000-03-21 Trw Inc. Vehicle occupant weight sensor
AU2545399A (en) * 1999-02-08 2000-08-29 Pllb Elettronica S.P.A. Optical fibers sensor and optical device for detecting stress and/or strain
JP2001080404A (ja) * 1999-09-17 2001-03-27 Aisin Seiki Co Ltd 着座検知装置
EP1128171A1 (de) * 2000-02-22 2001-08-29 Sensor Line Gesellschaft für optoelektronische Sensoren mbH Faseroptischer Belastungssensor zur Detektion von Schienenfahrzeugen
WO2002041262A1 (fr) * 2000-11-16 2002-05-23 Laurence Haquet Systeme d'analyse des deplacements de personnes
US6563107B2 (en) * 2001-01-11 2003-05-13 Canadian Space Agency Topological and motion measuring tool
US6920256B2 (en) * 2003-06-09 2005-07-19 Key Safety Systems, Inc. Fiber optic occupant or object classification system
US20040256163A1 (en) * 2003-06-23 2004-12-23 Thomson Robert K. Optical scale
US7043997B2 (en) * 2003-07-09 2006-05-16 Cherry Corporation Seat for sensing a load
GB0322859D0 (en) 2003-09-30 2003-10-29 British Telecomm Communication
US7667849B2 (en) * 2003-09-30 2010-02-23 British Telecommunications Public Limited Company Optical sensor with interferometer for sensing external physical disturbance of optical communications link
US6964205B2 (en) * 2003-12-30 2005-11-15 Tekscan Incorporated Sensor with plurality of sensor elements arranged with respect to a substrate
US7189959B1 (en) * 2004-03-18 2007-03-13 Fiber Optic Systems Technology Fiber optic impact detection system
GB0407386D0 (en) 2004-03-31 2004-05-05 British Telecomm Monitoring a communications link
US6993954B1 (en) 2004-07-27 2006-02-07 Tekscan, Incorporated Sensor equilibration and calibration system and method
GB0421747D0 (en) 2004-09-30 2004-11-03 British Telecomm Distributed backscattering
US7848645B2 (en) 2004-09-30 2010-12-07 British Telecommunications Public Limited Company Identifying or locating waveguides
GB0427733D0 (en) * 2004-12-17 2005-01-19 British Telecomm Optical system
JP4782798B2 (ja) 2004-12-17 2011-09-28 ブリティッシュ・テレコミュニケーションズ・パブリック・リミテッド・カンパニー ネットワークの評価
US7586888B2 (en) 2005-02-17 2009-09-08 Mobitrum Corporation Method and system for mesh network embedded devices
GB0504579D0 (en) * 2005-03-04 2005-04-13 British Telecomm Communications system
ATE434774T1 (de) * 2005-03-04 2009-07-15 British Telecomm Akustooptische modulatoranordnung
EP1708388A1 (de) 2005-03-31 2006-10-04 British Telecommunications Public Limited Company Verfahren zum Mitteilen von Informationen
US20090054809A1 (en) * 2005-04-08 2009-02-26 Takeharu Morishita Sampling Device for Viscous Sample, Homogenization Method for Sputum and Method of Detecting Microbe
EP1713301A1 (de) 2005-04-14 2006-10-18 BRITISH TELECOMMUNICATIONS public limited company Verfahren und Gerät zur Schallübertragung über eine optische Verbindung
US7406219B2 (en) * 2005-04-25 2008-07-29 The Johns Hopkins University Light-speed hitpoint sensor
EP1729096A1 (de) * 2005-06-02 2006-12-06 BRITISH TELECOMMUNICATIONS public limited company Verfahren und Vorrichtung zur Ermittlung der Stelle einer Störung in einer optischen Faser
US7630736B2 (en) 2005-10-11 2009-12-08 Mobitrum Corporation Method and system for spatial data input, manipulation and distribution via an adaptive wireless transceiver
DE602007013874D1 (de) 2006-02-24 2011-05-26 British Telecomm Erfassen einer störung
EP1987317B1 (de) 2006-02-24 2013-07-17 BRITISH TELECOMMUNICATIONS public limited company Erfassen einer störung
EP1826924A1 (de) 2006-02-24 2007-08-29 BRITISH TELECOMMUNICATIONS public limited company Abtastung einer Störung
CN101410696B (zh) 2006-04-03 2011-01-05 英国电讯有限公司 干扰位置的估计
US8305935B2 (en) 2006-07-27 2012-11-06 Mobitrum Corporation Method and system for dynamic information exchange on location aware mesh network devices
US7801058B2 (en) 2006-07-27 2010-09-21 Mobitrum Corporation Method and system for dynamic information exchange on mesh network devices
US8305936B2 (en) 2006-07-27 2012-11-06 Mobitrum Corporation Method and system for dynamic information exchange on a mesh network in a vehicle
US8427979B1 (en) 2006-07-27 2013-04-23 Mobitrum Corporation Method and system for dynamic information exchange on location aware mesh network devices
USRE47894E1 (en) 2006-07-27 2020-03-03 Iii Holdings 2, Llc Method and system for dynamic information exchange on location aware mesh network devices
US8411590B2 (en) 2006-07-27 2013-04-02 Mobitrum Corporation Mesh network remote control device
JP5120920B2 (ja) * 2007-02-08 2013-01-16 国立大学法人 奈良先端科学技術大学院大学 触覚センサ及び触覚情報検出方法
US7966889B2 (en) * 2008-06-20 2011-06-28 General Electric Company Method of measuring strain in a flex hose or other flexible member
US8121442B2 (en) * 2008-12-24 2012-02-21 At&T Intellectual Property I, L.P. Optical fiber surveillance topology
DE102009006531A1 (de) * 2009-01-28 2010-07-29 P+W Metallbau Gmbh & Co. Kg Vorrichtung zur Gewichtsbestimmung des Siloinhaltes eines Silos
EP2236346B1 (de) * 2009-04-02 2014-03-05 Grammer Ag Erkennungseinrichtung und Verfahren zum Erkennen einer Belegung eines Sitzes
US8935105B2 (en) * 2011-12-19 2015-01-13 Toyota Jidosha Kabushiki Kaisha Signal processing system
ITCE20120003A1 (it) * 2012-05-08 2013-11-09 Salvatore Pirozzi Sensore di forza e/o pressione multi-punto
CN102750802A (zh) * 2012-05-16 2012-10-24 南京航空航天大学 基于光纤传感物联网技术的老人监护报警系统
JPWO2013187002A1 (ja) * 2012-06-15 2016-02-04 テルモ株式会社 荷重分布計測システム、情報処理装置及び情報処理方法
US9304031B1 (en) * 2013-01-31 2016-04-05 Amit Kumar Gupta Fiber optic weight management mat
US10082418B2 (en) 2013-01-31 2018-09-25 Amit Kumar Gupta Fiber-optic weight management mat with microbend inducers
CN103487120B (zh) * 2013-05-20 2016-02-10 河南工业大学 粮食籽粒称重传感器和粮食籽粒千粒重检测装置及方法
US9709459B1 (en) 2014-01-20 2017-07-18 FREENT TECHNOLOGIES, Inc. Multiple energetic penetration and damage progression sensor
US20160089059A1 (en) * 2014-09-30 2016-03-31 Darma Inc. Systems and methods for posture and vital sign monitoring
JP6504685B2 (ja) * 2015-08-27 2019-04-24 深▲せん▼市大耳馬科技有限公司Ｓｈｅｎｚｈｅｎ Ｄａｒｍａ Ｔｅｃｈｎｏｌｏｇｙ Ｃｏ．，Ｌｔｄ． 光ファイバーセンサ及び微動の監視方法
US9534969B1 (en) * 2015-11-24 2017-01-03 The Boeing Company System and method for tactile sensing using thin film optical sensing networks
US10267694B2 (en) * 2016-01-15 2019-04-23 The United States Of America As Represented By The Administrator Of Nasa Micrometeoroid and orbital debris impact detection and location using fiber optic strain sensing
JP2020528335A (ja) * 2017-07-28 2020-09-24 ペリメーター・セキュリティ・インダストリーズ・ピーティーワイ・リミテッド バランスを判定するための機器および方法
US20190271603A1 (en) * 2018-03-05 2019-09-05 Southern Taiwan University Of Science And Technology Woven article and method for detecting stress distribution of woven article under stress
US11199660B2 (en) * 2018-11-20 2021-12-14 University Of Louisville Research Foundation, Inc. Soft optics with mechanically tunable refractive index

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1584173A (en) * 1977-07-27 1981-02-11 Battelle Development Corp Apparatus for measuring strain in a solid object
SE413555B (sv) * 1978-09-15 1980-06-02 Asea Ab Fiberoptiskt metdon
US4295738A (en) * 1979-08-30 1981-10-20 United Technologies Corporation Fiber optic strain sensor
US4321831A (en) * 1980-09-26 1982-03-30 United Technologies Corporation Digitally compatible optical pressure measurement
US4477725A (en) * 1981-08-27 1984-10-16 Trw Inc. Microbending of optical fibers for remote force measurement
JPS5855731A (ja) * 1981-09-28 1983-04-02 Fujitsu Ltd 圧力センサ
EP0082820A3 (de) * 1981-12-21 1984-03-21 Battelle Memorial Institute Druckwandler mit Lichtleiter
EP0116685A1 (de) * 1982-11-20 1984-08-29 Messerschmitt-Bölkow-Blohm Gesellschaft mit beschränkter Haftung Optische Messanordnung zum Feststellen von Rissen
US4560016A (en) * 1983-12-14 1985-12-24 Anco Engineers, Incorporated Method and apparatus for measuring the weight of a vehicle while the vehicle is in motion

Also Published As

Publication number Publication date
US4781056A (en) 1988-11-01
FR2578645A1 (fr) 1986-09-12
EP0214213A1 (de) 1987-03-18
WO1986005273A1 (fr) 1986-09-12
FR2578645B1 (fr) 1987-03-20
EP0214213B1 (de) 1988-11-17
CA1268346A (en) 1990-05-01
JPS62502142A (ja) 1987-08-20

Similar Documents

Publication Publication Date Title
DE3661228D1 (en) Optical device for strain detection, method for measuring the strain by means of said device and their application to scales
DE3176893D1 (en) Method of measuring by weighing
DE3789060D1 (de) Vorrichtung zum messen von biologischen signalen.
KR880700258A (ko) 중합체 경도 비파괴 측정 방법
JPS54108693A (en) Method and device for optically measuring antigennantibody reaction
IL83200A0 (en) Optoelectric distance measuring apparatus
AU588328B2 (en) Force sensing device for measurement apparatus
AU8947782A (en) Apparatus for detecting distance to an object
GB2210460B (en) Magnetostrictive stress measurement apparatus
AU574430B2 (en) Measuring stress concentration utilizing ultrasound
JPS57113306A (en) Measuring apparatus using strain gauge
GB8508527D0 (en) Weight measuring apparatus
GB2184304B (en) Velocity measuring apparatus
JPS5598312A (en) Method* system and device for measuring weight
JPS57182106A (en) Method and device for optically measuring displacement and photo-repeater on thin piece
IL83298A0 (en) Method for rate-of-rotation measurement and rate-of-rotation sensor
EP0235362A3 (en) Apparatus for measuring fluid-flow velocity
FR2576690B1 (fr) Dispositif de mesure de reactance
NO862840L (no) Anordning til beroeringsloes vektmaaling ved roermoeller.
JPS54125088A (en) System for separately detecting force component and torsional moment
JPS54118295A (en) Method and device for measuring turbidity
GB2171203B (en) Strain measuring device
DE3569026D1 (en) Device and method for measuring the distance covered by agricultural machinery
GB2208938B (en) Compensation for sensitivity drift in magnetoelastic force-measuring devices
FR2581758B1 (fr) Capteur de force pour instrument de pesage

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee