DE3871859T2 - Optischer sensor. - Google Patents

Optischer sensor.

Info

Publication number
DE3871859T2
DE3871859T2 DE8888302060T DE3871859T DE3871859T2 DE 3871859 T2 DE3871859 T2 DE 3871859T2 DE 8888302060 T DE8888302060 T DE 8888302060T DE 3871859 T DE3871859 T DE 3871859T DE 3871859 T2 DE3871859 T2 DE 3871859T2
Authority
DE
Germany
Prior art keywords
gratings
detector
colour
photo
displacement
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
DE8888302060T
Other languages
English (en)
Other versions
DE3871859D1 (de
Inventor
Gordon Rees Jones
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.)
University of Liverpool
Original Assignee
University of Liverpool
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 University of Liverpool filed Critical University of Liverpool
Application granted granted Critical
Publication of DE3871859D1 publication Critical patent/DE3871859D1/de
Publication of DE3871859T2 publication Critical patent/DE3871859T2/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
    • G01D5/32—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
    • G01D5/36—Forming the light into pulses
    • G01D5/38—Forming the light into pulses by diffraction gratings

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
  • Glass Compositions (AREA)
  • Gyroscopes (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Optical Transform (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
DE8888302060T 1987-03-17 1988-03-10 Optischer sensor. Expired - Fee Related DE3871859T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB878706317A GB8706317D0 (en) 1987-03-17 1987-03-17 Optical sensor

Publications (2)

Publication Number Publication Date
DE3871859D1 DE3871859D1 (de) 1992-07-16
DE3871859T2 true DE3871859T2 (de) 1992-12-03

Family

ID=10614087

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888302060T Expired - Fee Related DE3871859T2 (de) 1987-03-17 1988-03-10 Optischer sensor.

Country Status (11)

Country Link
US (1) US4814601A (de)
EP (1) EP0291148B1 (de)
JP (1) JPS6413417A (de)
KR (1) KR880011565A (de)
CN (1) CN88101477A (de)
AT (1) ATE77140T1 (de)
AU (1) AU1317388A (de)
CA (1) CA1278069C (de)
DE (1) DE3871859T2 (de)
GB (2) GB8706317D0 (de)
NZ (1) NZ223897A (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU6215186A (en) * 1985-09-06 1987-03-12 University Of Liverpool, The Displacement measurement
US5175601A (en) * 1991-10-15 1992-12-29 Electro-Optical Information Systems High-speed 3-D surface measurement surface inspection and reverse-CAD system
US5319445A (en) * 1992-09-08 1994-06-07 Fitts John M Hidden change distribution grating and use in 3D moire measurement sensors and CMM applications
GB9425907D0 (en) * 1994-12-22 1995-02-22 Renishaw Plc Opto-electronic scale reading apparatus
US6487914B1 (en) 1995-09-14 2002-12-03 Structural Integrity Monitoring Systems, Inc. Structural monitoring sensor system
US6181841B1 (en) 1995-09-14 2001-01-30 Structural Integrity Monitoring Systems, Inc. Structural monitoring sensor system
CA2240664A1 (en) * 1995-12-15 1997-07-03 Structural Integrity Monitoring Systems Structural monitoring sensor system
US6647161B1 (en) 1995-12-15 2003-11-11 Malcolm H. Hodge Structural monitoring sensor system
US6476377B1 (en) 1998-10-30 2002-11-05 Structural Integrity Monitoring Systems, Inc. Structural monitoring system
US7268860B1 (en) * 2003-09-25 2007-09-11 Taitec, Inc. Color Moiré interferometry
TW200600763A (en) * 2004-06-18 2006-01-01 Innolux Display Corp Inspecting method and equipment of a color filtert
JP4880893B2 (ja) * 2004-11-08 2012-02-22 株式会社ミツトヨ 光電式エンコーダ
JP2009511870A (ja) 2005-10-05 2009-03-19 キネテイツク・リミテツド 歪応答性の視覚インジケータ
KR101068463B1 (ko) * 2009-05-13 2011-09-28 한국과학기술원 반사 격자판을 이용한 광섬유 센서
TWM446323U (zh) * 2012-08-03 2013-02-01 Ind Tech Res Inst 開口率量測感知裝置、開口距離感知裝置及光感測模組
JP6820540B2 (ja) * 2016-06-14 2021-01-27 大日本印刷株式会社 変位可視化センサー、変位可視化方法、および変位可視化システム
JP6820539B2 (ja) * 2016-06-14 2021-01-27 大日本印刷株式会社 変位可視化センサー

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH466593A (de) * 1967-02-23 1968-12-15 Contraves Ag Optisch-Elektrische-Winkelmesseinrichtung
DE2500798A1 (de) * 1975-01-10 1976-07-15 Leitz Ernst Gmbh Optisches messystem
US4334152A (en) * 1978-12-06 1982-06-08 Plessey Incorporated Position indicating systems
US4689485A (en) * 1982-09-25 1987-08-25 Renishaw Plc Optoelectronic displacement measuring apparatus using color-encoded light
GB8320107D0 (en) * 1983-07-26 1983-08-24 Barr & Stroud Ltd Optical monitoring apparatus
GB8413955D0 (en) * 1984-05-31 1984-07-04 Pa Consulting Services Displacement measuring apparatus
GB8514671D0 (en) * 1985-06-11 1985-07-10 Asbury A J Optical transducer interrogation device
IN170226B (de) * 1985-08-02 1992-02-29 Pandrol Ltd
DE3543179A1 (de) * 1985-12-06 1987-06-11 Philips Patentverwaltung Optischer weg-sensor mit einem filter
US4740688A (en) * 1986-03-20 1988-04-26 Smiths Industries Public Limited Company Optical transducers with wavelength coding

Also Published As

Publication number Publication date
JPS6413417A (en) 1989-01-18
EP0291148A3 (en) 1990-06-13
GB2202937A (en) 1988-10-05
CN88101477A (zh) 1988-12-14
KR880011565A (ko) 1988-10-29
GB2202937B (en) 1991-02-27
NZ223897A (en) 1989-12-21
US4814601A (en) 1989-03-21
GB8706317D0 (en) 1987-04-23
EP0291148A2 (de) 1988-11-17
GB8805738D0 (en) 1988-04-07
AU1317388A (en) 1988-09-15
EP0291148B1 (de) 1992-06-10
DE3871859D1 (de) 1992-07-16
CA1278069C (en) 1990-12-18
ATE77140T1 (de) 1992-06-15

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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