DE68903311D1 - Optische sensorsysteme. - Google Patents

Optische sensorsysteme.

Info

Publication number
DE68903311D1
DE68903311D1 DE8989307934T DE68903311T DE68903311D1 DE 68903311 D1 DE68903311 D1 DE 68903311D1 DE 8989307934 T DE8989307934 T DE 8989307934T DE 68903311 T DE68903311 T DE 68903311T DE 68903311 D1 DE68903311 D1 DE 68903311D1
Authority
DE
Germany
Prior art keywords
optical sensor
sensor systems
systems
optical
sensor
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 - Lifetime
Application number
DE8989307934T
Other languages
English (en)
Other versions
DE68903311T2 (de
Inventor
Jolyon Peter Willson
Darran Kreit
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.)
Mobrey Group Ltd
Original Assignee
Schlumberger Industries 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
Priority claimed from GB888818767A external-priority patent/GB8818767D0/en
Priority claimed from GB888826746A external-priority patent/GB8826746D0/en
Priority claimed from GB898914269A external-priority patent/GB8914269D0/en
Application filed by Schlumberger Industries Ltd filed Critical Schlumberger Industries Ltd
Application granted granted Critical
Publication of DE68903311D1 publication Critical patent/DE68903311D1/de
Publication of DE68903311T2 publication Critical patent/DE68903311T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Communication System (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
  • Led Devices (AREA)
DE8989307934T 1988-08-08 1989-08-03 Optische sensorsysteme. Expired - Fee Related DE68903311T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB888818767A GB8818767D0 (en) 1988-08-08 1988-08-08 Demultiplexers for wavelenght multiplexed signals
GB888826746A GB8826746D0 (en) 1988-11-16 1988-11-16 Optical transducer systems
GB898914269A GB8914269D0 (en) 1989-06-21 1989-06-21 Optical transducer systems

Publications (2)

Publication Number Publication Date
DE68903311D1 true DE68903311D1 (de) 1992-12-03
DE68903311T2 DE68903311T2 (de) 1993-05-13

Family

ID=27264015

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8989307934T Expired - Fee Related DE68903311T2 (de) 1988-08-08 1989-08-03 Optische sensorsysteme.

Country Status (5)

Country Link
US (1) US4972077A (de)
EP (1) EP0354732B1 (de)
JP (1) JPH0288905A (de)
DE (1) DE68903311T2 (de)
GB (1) GB2225422B (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9022969D0 (en) * 1990-10-23 1990-12-05 Rosemount Ltd Displacement measurement apparatus
IT1246572B (it) * 1991-02-27 1994-11-24 Cise Spa Procedimento e apparecchio per misure interferometriche assolute di grandezze fisiche.
GB2258725B (en) * 1991-07-30 1995-06-21 Rosemount Ltd A method of decoding a spectrally modulated light signal
GB2312346B (en) * 1996-04-20 2000-07-12 Northern Telecom Ltd Marshalling in optical tdma systems
US7492463B2 (en) 2004-04-15 2009-02-17 Davidson Instruments Inc. Method and apparatus for continuous readout of Fabry-Perot fiber optic sensor
US7305158B2 (en) 2004-04-15 2007-12-04 Davidson Instruments Inc. Interferometric signal conditioner for measurement of absolute static displacements and dynamic displacements of a Fabry-Perot interferometer
EP1674833A3 (de) 2004-12-21 2007-05-30 Davidson Instruments, Inc. Faseroptisches Sensorsystem
EP1681540A1 (de) 2004-12-21 2006-07-19 Davidson Instruments, Inc. Mehrkanalarrayprozessor
US20060274323A1 (en) 2005-03-16 2006-12-07 Gibler William N High intensity fabry-perot sensor
US7639368B2 (en) 2005-09-13 2009-12-29 Halliburton Energy Services, Inc. Tracking algorithm for linear array signal processor for Fabry-Perot cross-correlation pattern and method of using same
US7684051B2 (en) 2006-04-18 2010-03-23 Halliburton Energy Services, Inc. Fiber optic seismic sensor based on MEMS cantilever
US7743661B2 (en) 2006-04-26 2010-06-29 Halliburton Energy Services, Inc. Fiber optic MEMS seismic sensor with mass supported by hinged beams
US8115937B2 (en) 2006-08-16 2012-02-14 Davidson Instruments Methods and apparatus for measuring multiple Fabry-Perot gaps
WO2008091645A1 (en) 2007-01-24 2008-07-31 Davidson Energy Transducer for measuring environmental parameters
CN106725560B (zh) 2015-11-19 2021-01-12 上海联影医疗科技股份有限公司 光传感器的性能检测方法和医学成像设备

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3044183A1 (de) * 1980-11-24 1982-06-24 Reinhard Dipl.-Phys. Dr. 7250 Leonberg Ulrich Verfahren zur optischen messung von laengen und laengenaenderungen und anordnung zur durchfuehrung des verfahrens
US4873989A (en) * 1984-03-08 1989-10-17 Optical Technologies, Inc. Fluid flow sensing apparatus for in vivo and industrial applications employing novel optical fiber pressure sensors
US4653855A (en) * 1984-10-09 1987-03-31 Quantum Diagnostics Ltd. Apparatus and process for object analysis by perturbation of interference fringes
US4770535A (en) * 1985-02-08 1988-09-13 The Board Of Trustees Of The Leland Stanford Junior University Distributed sensor array and method using a pulsed signal source
JPS6230921A (ja) * 1985-07-31 1987-02-09 Sharp Corp 光学式センサ
GB2181536A (en) * 1985-08-09 1987-04-23 Plessey Co Plc Wavelength scanning optical sensor
US4755668A (en) * 1986-10-03 1988-07-05 Optical Technologies, Inc. Fiber optic interferometric thermometer with serially positioned fiber optic sensors
US4868381A (en) * 1986-10-03 1989-09-19 Optical Technologies, Inc. Fiber optic interferometric thermometer
US4748686A (en) * 1986-10-15 1988-05-31 United Technologies Corporation Coherence multiplexed optical position transducer
US4848906A (en) * 1987-02-02 1989-07-18 Litton Systems, Inc. Multiplexed fiber optic sensor
GB2202936B (en) * 1987-03-31 1990-11-14 Plessey Co Plc Improvements relating to optical pressure or displacement sensors
US4861136A (en) * 1987-07-15 1989-08-29 American Telephone And Telegraph Company Optical communication systems using fabry-perot cavities
GB2209101A (en) * 1987-08-23 1989-04-26 Schlumberger Ind Ltd Optical transducer sensing
GB8722283D0 (en) * 1987-09-22 1987-10-28 Univ Manchester Gas detection
US4818064A (en) * 1987-09-24 1989-04-04 Board Of Trustees Stanford Junior University Sensor array and method of selective interferometric sensing by use of coherence synthesis
US4799797A (en) * 1987-11-17 1989-01-24 The Boeing Company Coherence multiplexing of optical sensors
GB2215038B (en) * 1988-02-05 1992-01-08 Plessey Co Plc Improvements relating to optical sensing arrangements
GB2215039B (en) * 1988-02-10 1992-02-05 Plessey Co Plc Improvements relating to optical sensing arrangements

Also Published As

Publication number Publication date
US4972077A (en) 1990-11-20
DE68903311T2 (de) 1993-05-13
GB8917688D0 (en) 1989-09-20
GB2225422B (en) 1992-10-14
JPH0288905A (ja) 1990-03-29
EP0354732B1 (de) 1992-10-28
EP0354732A3 (en) 1990-09-05
GB2225422A (en) 1990-05-30
EP0354732A2 (de) 1990-02-14

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: SOLARTRON GROUP LTD., FARNBOROUGH, HAMPSHIRE, GB

8339 Ceased/non-payment of the annual fee