DK366585A - Fremgangsmaade og apparat til maaling af afstandsvariationer - Google Patents

Fremgangsmaade og apparat til maaling af afstandsvariationer Download PDF

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Publication number
DK366585A
DK366585A DK366585A DK366585A DK366585A DK 366585 A DK366585 A DK 366585A DK 366585 A DK366585 A DK 366585A DK 366585 A DK366585 A DK 366585A DK 366585 A DK366585 A DK 366585A
Authority
DK
Denmark
Prior art keywords
procedure
measuring distance
distance variations
variations
measuring
Prior art date
Application number
DK366585A
Other languages
English (en)
Other versions
DK155250C (da
DK366585D0 (da
DK155250B (da
Inventor
Lars Bager
Original Assignee
Lars Bager
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 Lars Bager filed Critical Lars Bager
Priority to DK366585A priority Critical patent/DK155250C/da
Publication of DK366585D0 publication Critical patent/DK366585D0/da
Priority to US06/893,474 priority patent/US4796994A/en
Priority to EP86111127A priority patent/EP0215292A3/en
Priority to NO863255A priority patent/NO863255L/no
Priority to JP61188783A priority patent/JPS6279301A/ja
Publication of DK366585A publication Critical patent/DK366585A/da
Publication of DK155250B publication Critical patent/DK155250B/da
Application granted granted Critical
Publication of DK155250C publication Critical patent/DK155250C/da

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
    • G01B11/161—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge by interferometric means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00—Measuring instruments characterised by the use of optical techniques
    • G01B9/02—Interferometers
    • G01B9/02083—Interferometers characterised by particular signal processing and presentation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
DK366585A 1985-08-13 1985-08-13 Fremgangsmaade og apparat til maaling af afstandsvariationer DK155250C (da)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DK366585A DK155250C (da) 1985-08-13 1985-08-13 Fremgangsmaade og apparat til maaling af afstandsvariationer
US06/893,474 US4796994A (en) 1985-08-13 1986-08-05 Method and apparatus for measuring variations in distances
EP86111127A EP0215292A3 (en) 1985-08-13 1986-08-12 Method and apparatus for measuring variations in distances
NO863255A NO863255L (no) 1985-08-13 1986-08-12 Fremgangsmaate og apparat til maaling av avstandsvariasjoner
JP61188783A JPS6279301A (ja) 1985-08-13 1986-08-13 距離の変化測定方法及び装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK366585A DK155250C (da) 1985-08-13 1985-08-13 Fremgangsmaade og apparat til maaling af afstandsvariationer
DK366585 1985-08-13

Publications (4)

Publication Number Publication Date
DK366585D0 DK366585D0 (da) 1985-08-13
DK366585A true DK366585A (da) 1987-02-14
DK155250B DK155250B (da) 1989-03-13
DK155250C DK155250C (da) 1989-07-24

Family

ID=8125435

Family Applications (1)

Application Number Title Priority Date Filing Date
DK366585A DK155250C (da) 1985-08-13 1985-08-13 Fremgangsmaade og apparat til maaling af afstandsvariationer

Country Status (5)

Country Link
US (1) US4796994A (da)
EP (1) EP0215292A3 (da)
JP (1) JPS6279301A (da)
DK (1) DK155250C (da)
NO (1) NO863255L (da)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0341960A3 (en) * 1988-05-10 1990-10-03 Hewlett-Packard Company Method for improving performance of a laser interferometer in the presence of wavefront distortion
US6111645A (en) 1991-04-29 2000-08-29 Massachusetts Institute Of Technology Grating based phase control optical delay line
US6134003A (en) * 1991-04-29 2000-10-17 Massachusetts Institute Of Technology Method and apparatus for performing optical measurements using a fiber optic imaging guidewire, catheter or endoscope
US6485413B1 (en) 1991-04-29 2002-11-26 The General Hospital Corporation Methods and apparatus for forward-directed optical scanning instruments
US6501551B1 (en) 1991-04-29 2002-12-31 Massachusetts Institute Of Technology Fiber optic imaging endoscope interferometer with at least one faraday rotator
US5239366A (en) * 1992-02-12 1993-08-24 Huges Aircraft Company Compact laser probe for profilometry
EP0669820B1 (en) * 1992-11-18 1997-04-16 Spectrascience, Inc. Apparatus for diagnostic imaging
US5383467A (en) * 1992-11-18 1995-01-24 Spectrascience, Inc. Guidewire catheter and apparatus for diagnostic imaging
US5457395A (en) * 1994-07-18 1995-10-10 Ford Motor Company System and apparatus for measuring gaps between non-parallel surfaces
ATE219239T1 (de) * 1997-07-21 2002-06-15 Euratom Verfahren und vorrichtung zum messen der deformation eines mechanischen prüfstücks
US6257066B1 (en) * 1998-05-21 2001-07-10 Reid Asset Management Company Portable vibration monitoring device
US6445939B1 (en) 1999-08-09 2002-09-03 Lightlab Imaging, Llc Ultra-small optical probes, imaging optics, and methods for using same
GB0207431D0 (en) 2002-03-28 2002-05-08 Qinetiq Ltd Signal analysis system
JP2006300661A (ja) * 2005-04-19 2006-11-02 Kobe Steel Ltd 干渉計，フーリエ分光装置
TW201429591A (zh) * 2013-01-25 2014-08-01 Hon Hai Prec Ind Co Ltd 雷射加工裝置
CN106767529B (zh) * 2016-12-14 2019-11-05 深圳奥比中光科技有限公司 激光光斑识别及激光投影仪的自动调焦方法与系统
US10926682B2 (en) * 2018-05-03 2021-02-23 Day to Day Imports, Inc. Non-slip vehicle seat covering

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2075180A (en) * 1980-05-02 1981-11-11 Balasubramanian N Method and system for determining interferometric optical path length difference
CA1210608A (en) * 1983-03-04 1986-09-02 Jack G. Kisslinger Interferometer spectrophotometer

Also Published As

Publication number Publication date
NO863255D0 (no) 1986-08-12
JPS6279301A (ja) 1987-04-11
EP0215292A2 (en) 1987-03-25
DK155250C (da) 1989-07-24
DK366585D0 (da) 1985-08-13
EP0215292A3 (en) 1988-09-28
DK155250B (da) 1989-03-13
NO863255L (no) 1987-02-16
US4796994A (en) 1989-01-10

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