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GB8618479D0 - Optical sensor - Google Patents

Optical sensor

Info

Publication number
GB8618479D0
GB8618479D0 GB868618479A GB8618479A GB8618479D0 GB 8618479 D0 GB8618479 D0 GB 8618479D0 GB 868618479 A GB868618479 A GB 868618479A GB 8618479 A GB8618479 A GB 8618479A GB 8618479 D0 GB8618479 D0 GB 8618479D0
Authority
GB
United Kingdom
Prior art keywords
optical sensor
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.)
Granted
Application number
GB868618479A
Other versions
GB2179146B (en
GB2179146A (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.)
Sharp Corp
Original Assignee
Sharp Corp
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 Sharp Corp filed Critical Sharp Corp
Publication of GB8618479D0 publication Critical patent/GB8618479D0/en
Publication of GB2179146A publication Critical patent/GB2179146A/en
Application granted granted Critical
Publication of GB2179146B publication Critical patent/GB2179146B/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING 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
    • G01D5/00Mechanical 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
    • G01D5/26Mechanical 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
    • G01D5/266Mechanical 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 by interferometric means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
GB8618479A 1985-07-31 1986-07-29 Yptical sensor Expired GB2179146B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17041285A JPS6230921A (en) 1985-07-31 1985-07-31 Optical sensor

Publications (3)

Publication Number Publication Date
GB8618479D0 true GB8618479D0 (en) 1986-09-03
GB2179146A GB2179146A (en) 1987-02-25
GB2179146B GB2179146B (en) 1989-08-16

Family

ID=15904443

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8618479A Expired GB2179146B (en) 1985-07-31 1986-07-29 Yptical sensor

Country Status (3)

Country Link
JP (1) JPS6230921A (en)
DE (1) DE3625703A1 (en)
GB (1) GB2179146B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3645238C2 (en) * 1985-11-26 1996-11-07 Sharp Kk Variable Fabrv Perot type interferometer
US4859060A (en) * 1985-11-26 1989-08-22 501 Sharp Kabushiki Kaisha Variable interferometric device and a process for the production of the same
US4972077A (en) * 1988-08-08 1990-11-20 Schlumberger Industries Limited Wavelength multiplexed optical transducer with a swept wavelength optical source
GB2228082A (en) * 1989-01-13 1990-08-15 Marconi Gec Ltd Gas or liquid chemical sensor
US4989979A (en) * 1989-01-17 1991-02-05 Board Of Regents, The University Of Texas System Optical fiber sensors with full common-mode compensation and measurand sensitivity enhancement
FR2641861B1 (en) * 1989-01-18 1993-04-30 Photonetics OPTO-ELECTRONIC MEASURING DEVICE
DE4306756A1 (en) * 1993-03-04 1994-09-08 Sios Mestechnik Gmbh Temperature measuring device coupled by an optical waveguide

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1555697A (en) * 1967-11-10 1969-01-31
DE2231776C3 (en) * 1972-06-29 1987-07-30 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Light barrier for measuring the position or dimensions of objects
GB2145237B (en) * 1981-04-03 1986-03-19 Chevron Res Optical system
DE3311809A1 (en) * 1983-03-31 1984-10-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München Interferometric calibratable Fabry-Perot sensor system with birefringent monomode optical fibre

Also Published As

Publication number Publication date
JPS6230921A (en) 1987-02-09
GB2179146B (en) 1989-08-16
DE3625703A1 (en) 1987-02-12
GB2179146A (en) 1987-02-25
DE3625703C2 (en) 1990-04-12

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20050729