DE69019652D1 - Erfassung und Messung von Signalen in faseroptischen Systemen. - Google Patents

Erfassung und Messung von Signalen in faseroptischen Systemen.

Info

Publication number
DE69019652D1
DE69019652D1 DE69019652T DE69019652T DE69019652D1 DE 69019652 D1 DE69019652 D1 DE 69019652D1 DE 69019652 T DE69019652 T DE 69019652T DE 69019652 T DE69019652 T DE 69019652T DE 69019652 D1 DE69019652 D1 DE 69019652D1
Authority
DE
Germany
Prior art keywords
acquisition
measurement
signals
fiber optic
optic systems
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 - Fee Related
Application number
DE69019652T
Other languages
English (en)
Other versions
DE69019652T2 (de
Inventor
Colin Botting
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.)
Herga Electric Ltd
Original Assignee
Herga Electric 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 Herga Electric Ltd filed Critical Herga Electric Ltd
Publication of DE69019652D1 publication Critical patent/DE69019652D1/de
Application granted granted Critical
Publication of DE69019652T2 publication Critical patent/DE69019652T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • G01D5/32—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 with attenuation or whole or partial obturation of beams of light
    • G01D5/34—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 with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/353—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 with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
    • G01D5/3537—Optical fibre sensor using a particular arrangement of the optical fibre itself
    • G01D5/35377—Means for amplifying or modifying the measured quantity
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
    • H04J3/1676—Time-division multiplex with pulse-position, pulse-interval, or pulse-width modulation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Geophysics And Detection Of Objects (AREA)
DE1990619652 1989-09-21 1990-09-20 Erfassung und Messung von Signalen in faseroptischen Systemen. Expired - Fee Related DE69019652T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8921409A GB2236388A (en) 1989-09-21 1989-09-21 Signal sensing in fibre optic sensor control systems

Publications (2)

Publication Number Publication Date
DE69019652D1 true DE69019652D1 (de) 1995-06-29
DE69019652T2 DE69019652T2 (de) 1995-12-21

Family

ID=10663452

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1990619652 Expired - Fee Related DE69019652T2 (de) 1989-09-21 1990-09-20 Erfassung und Messung von Signalen in faseroptischen Systemen.

Country Status (4)

Country Link
US (1) US5138152A (de)
EP (1) EP0419267B1 (de)
DE (1) DE69019652T2 (de)
GB (1) GB2236388A (de)

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GB9406485D0 (en) * 1994-03-31 1994-05-25 Standard Prod Ltd Deformable system
WO1992002912A1 (en) * 1990-08-06 1992-02-20 Schier J Alan Sensing apparatus
US5711291A (en) * 1992-06-29 1998-01-27 Minnesota Mining And Manufacturing Company Blood pressure transducer
US5271675A (en) * 1992-10-22 1993-12-21 Gas Research Institute System for characterizing pressure, movement, temperature and flow pattern of fluids
US5430815A (en) * 1993-02-05 1995-07-04 Raychem Corporation Optical fiber water sensor
US6052613A (en) * 1993-06-18 2000-04-18 Terumo Cardiovascular Systems Corporation Blood pressure transducer
US5466944A (en) * 1993-09-30 1995-11-14 Siemens Components, Inc. Optically-coupled differential line receiver
US5500237A (en) * 1995-03-14 1996-03-19 Gell, Jr.; Harold A. Removable coffee roaster oven chamber
GB2326779B (en) * 1997-06-27 2001-06-06 Solartron Group Ltd Fail-safe system
DE19801961A1 (de) * 1998-01-21 1999-07-22 Deutsch Zentr Luft & Raumfahrt Detektionseinrichtung zur Schließkantenüberwachung, Verfahren zu ihrer Herstellung sowie Verfahren zum Überwachen des Schließvorganges mittels der Detektionseinrichtung
EP1011184A1 (de) * 1998-12-15 2000-06-21 Talltec Technologies Holdings S.A. Sicherheitsvorrichtung für einen elektromotorischen Fensterheber und Verfahren zur Ausführung dieser Vorrichtung
NL1020997C2 (nl) * 2002-07-04 2004-01-13 Lightspeed Inv S B V Aangrijpmiddelen voor een signaalleiding, signaalleiding en constructie-element.
DE10237361B4 (de) * 2002-08-12 2007-07-19 Deutsches Zentrum für Luft- und Raumfahrt e.V. Verfahren zur Herstellung eines faseroptischen Sensors und damit hergestellter Sensor
US20080071180A1 (en) * 2006-05-24 2008-03-20 Tarilian Laser Technologies, Limited Vital Sign Detection Method and Measurement Device
EP2462864B1 (de) * 2006-05-24 2014-10-15 Tarilian Laser Technologies, Limited Optisches Lebenszeichendetektionsverfahren und Messeinrichtung
KR101008762B1 (ko) * 2006-10-12 2011-01-14 파나소닉 주식회사 발광 장치 및 그 제조 방법
MX2009008082A (es) * 2007-01-31 2009-12-14 Tarilian Laser Technologies Lt Modulacion de potencia optica.
US10082418B2 (en) * 2013-01-31 2018-09-25 Amit Kumar Gupta Fiber-optic weight management mat with microbend inducers
EP2804166A1 (de) 2013-05-13 2014-11-19 PSS Consultancy & Equipment B.V. Sensorkabel und System
WO2019018891A1 (en) * 2017-07-28 2019-01-31 Perimeter Security Industries Pty Ltd APPARATUS AND METHOD FOR EVALUATING BALANCE

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4342988A (en) * 1980-01-25 1982-08-03 Continental Disc Corporation Rupture disc alarm system
DE3211828A1 (de) * 1982-03-31 1983-10-13 Philips Patentverwaltung Gmbh, 2000 Hamburg Druckmesseinrichtung
GB8318785D0 (en) * 1983-07-12 1983-08-10 Herga Electric Control system
US4591709A (en) * 1983-12-19 1986-05-27 Walter Koechner Optical fiber security system
SE443656B (sv) * 1984-07-20 1986-03-03 Ericsson Telefon Ab L M Mikrobojkenslig optisk fiberkabel
US4743113A (en) * 1985-08-29 1988-05-10 Western Atlas International, Inc. Optical fiber interferometer network
US4678903A (en) * 1986-01-27 1987-07-07 General Motors Corporation Self aligning fiber optic microbend sensor
GB8704540D0 (en) * 1987-02-26 1987-04-01 Bicc Plc Optical sensors
GB2219902B (en) * 1988-06-14 1992-01-22 Plessey Co Plc Optical sensing systems
US4918305A (en) * 1988-08-01 1990-04-17 General Motors Corporation Fiber optic pressure sensor using pressure sensitive fiber different from input and output fibers

Also Published As

Publication number Publication date
GB2236388A (en) 1991-04-03
GB8921409D0 (en) 1989-11-08
EP0419267A1 (de) 1991-03-27
EP0419267B1 (de) 1995-05-24
US5138152A (en) 1992-08-11
DE69019652T2 (de) 1995-12-21

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Legal Events

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