DE68914472T2 - Verfahren und Gerät zur Messung von Vibrationen. - Google Patents

Verfahren und Gerät zur Messung von Vibrationen.

Info

Publication number
DE68914472T2
DE68914472T2 DE68914472T DE68914472T DE68914472T2 DE 68914472 T2 DE68914472 T2 DE 68914472T2 DE 68914472 T DE68914472 T DE 68914472T DE 68914472 T DE68914472 T DE 68914472T DE 68914472 T2 DE68914472 T2 DE 68914472T2
Authority
DE
Germany
Prior art keywords
predetermined
predetermined zone
component
probe
location
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
DE68914472T
Other languages
English (en)
Other versions
DE68914472D1 (de
Inventor
James P Waters
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.)
Raytheon Technologies Corp
Original Assignee
United Technologies 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 United Technologies Corp filed Critical United Technologies Corp
Application granted granted Critical
Publication of DE68914472D1 publication Critical patent/DE68914472D1/de
Publication of DE68914472T2 publication Critical patent/DE68914472T2/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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
DE68914472T 1988-01-11 1989-01-10 Verfahren und Gerät zur Messung von Vibrationen. Expired - Fee Related DE68914472T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/142,889 US4892406A (en) 1988-01-11 1988-01-11 Method of and arrangement for measuring vibrations

Publications (2)

Publication Number Publication Date
DE68914472D1 DE68914472D1 (de) 1994-05-19
DE68914472T2 true DE68914472T2 (de) 1994-07-28

Family

ID=22501688

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68914472T Expired - Fee Related DE68914472T2 (de) 1988-01-11 1989-01-10 Verfahren und Gerät zur Messung von Vibrationen.

Country Status (6)

Country Link
US (1) US4892406A (de)
EP (1) EP0324708B1 (de)
JP (1) JP2686124B2 (de)
AT (1) ATE104430T1 (de)
DE (1) DE68914472T2 (de)
FI (1) FI92958C (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10031636A1 (de) * 2000-06-29 2002-01-17 Siemens Ag Spektrometer

Families Citing this family (114)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3916276A1 (de) * 1989-05-19 1990-11-22 Betr Forsch Inst Angew Forsch Verfahren und vorrichtung zur interferometrischen detektion von oberflaechenverschiebungen bei festkoerpern
JPH03104842U (de) * 1990-02-06 1991-10-30
IT1244170B (it) * 1990-12-04 1994-07-08 Cise Spa Apparecchiatura laser per la misura della velocita' di un fluido.
US5166749A (en) * 1991-05-22 1992-11-24 Bio-Rad Laboratories Step scanning technique for interferometer
JP3234353B2 (ja) * 1993-06-15 2001-12-04 富士写真フイルム株式会社 断層情報読取装置
US5493394A (en) * 1994-05-25 1996-02-20 The Boeing Company Method and apparatus for use in measuring frequency difference between light signals
US5477324A (en) * 1994-08-26 1995-12-19 Georgia Tech Research Corporation Method and apparatus for detecting surface wave vector dynamics using three beams of coherent light
DE19528676C2 (de) * 1995-08-04 1997-05-22 Zeiss Carl Jena Gmbh Interferometeranordnung zur absoluten Distanzmessung
JPH11326653A (ja) * 1998-05-15 1999-11-26 Sony Corp 光のコヒーレンス低減方法及びその装置、照明方法及びその装置、並びに、光ファイバーバンドル
US6246638B1 (en) * 1999-03-30 2001-06-12 Honeywell International Inc. Fiber-optic vibration sensor based on frequency modulation of light-excited oscillators
GB0009311D0 (en) 2000-04-17 2000-05-31 Logica Uk Ltd Vibration analysis
US6325172B1 (en) 2000-05-25 2001-12-04 Pvt-Wrl, Llc Geophone including laser interferometer
US9295391B1 (en) * 2000-11-10 2016-03-29 The General Hospital Corporation Spectrally encoded miniature endoscopic imaging probe
DE10297689B4 (de) * 2001-05-01 2007-10-18 The General Hospital Corp., Boston Verfahren und Gerät zur Bestimmung von atherosklerotischem Belag durch Messung von optischen Gewebeeigenschaften
US7355716B2 (en) * 2002-01-24 2008-04-08 The General Hospital Corporation Apparatus and method for ranging and noise reduction of low coherence interferometry LCI and optical coherence tomography OCT signals by parallel detection of spectral bands
US7761139B2 (en) * 2003-01-24 2010-07-20 The General Hospital Corporation System and method for identifying tissue using low-coherence interferometry
US7643153B2 (en) * 2003-01-24 2010-01-05 The General Hospital Corporation Apparatus and method for ranging and noise reduction of low coherence interferometry LCI and optical coherence tomography OCT signals by parallel detection of spectral bands
EP2436307B1 (de) 2003-03-31 2015-10-21 The General Hospital Corporation Fleckenreduzierung bei der optischen Kohärenztomografie durch pfadlängencodierte Winkelmischung
US7515626B2 (en) * 2003-05-29 2009-04-07 Novera Optics, Inc. Light source capable of lasing that is wavelength locked by an injected light signal
EP2280260B1 (de) 2003-06-06 2017-03-08 The General Hospital Corporation Verfahren und Vorrichtung für eine Lichtquelle mit Abstimmung der Wellenlänge
JP5567246B2 (ja) 2003-10-27 2014-08-06 ザ ジェネラル ホスピタル コーポレイション 周波数ドメイン干渉測定を利用して光学撮像を実行する方法および装置
EP1687587B1 (de) 2003-11-28 2020-01-08 The General Hospital Corporation Verfahren und vorrichtung für dreidimensionale spektralcodierte bildgebung
US8018598B2 (en) 2004-05-29 2011-09-13 The General Hospital Corporation Process, system and software arrangement for a chromatic dispersion compensation using reflective layers in optical coherence tomography (OCT) imaging
US7447408B2 (en) 2004-07-02 2008-11-04 The General Hospital Corproation Imaging system and related techniques
EP1782020B1 (de) 2004-08-06 2012-10-03 The General Hospital Corporation Prozess, system und softwareanordnung zur bestimmung mindestens einer position in einer probe unter verwendung von optischer kohärenztomographie
EP1793731B1 (de) 2004-08-24 2013-12-25 The General Hospital Corporation Bildgebungsgerät mit einer Fluidabgabevorrichtung und einer Pull-Back-Vorrichntung
US8965487B2 (en) 2004-08-24 2015-02-24 The General Hospital Corporation Process, system and software arrangement for measuring a mechanical strain and elastic properties of a sample
KR101257100B1 (ko) 2004-09-29 2013-04-22 더 제너럴 하스피탈 코포레이션 광 간섭 영상화 시스템 및 방법
EP1807722B1 (de) * 2004-11-02 2022-08-10 The General Hospital Corporation Faseroptische drehvorrichtung, optisches system zur abbildung einer probe
US7388672B2 (en) * 2004-11-19 2008-06-17 Carl Ziess Meditec, Inc. High efficiency balanced detection interferometer
EP2278265A3 (de) * 2004-11-24 2011-06-29 The General Hospital Corporation Interferometer mit gemeinsamem Pfad für endoskopische optische Kohärenztomographie
JP2008521516A (ja) * 2004-11-29 2008-06-26 ザ ジェネラル ホスピタル コーポレイション サンプル上の複数の地点を同時に照射し検出することによって光学画像生成を実行する構成、装置、内視鏡、カテーテル、及び方法
US8351665B2 (en) * 2005-04-28 2013-01-08 The General Hospital Corporation Systems, processes and software arrangements for evaluating information associated with an anatomical structure by an optical coherence ranging technique
US20070009935A1 (en) * 2005-05-13 2007-01-11 The General Hospital Corporation Arrangements, systems and methods capable of providing spectral-domain optical coherence reflectometry for a sensitive detection of chemical and biological sample
EP1887926B1 (de) 2005-05-31 2014-07-30 The General Hospital Corporation System und verfahren die spektrale interferometrietechniken zur codierungsüberlagerung zur bildgebung benutzen
EP2267404B1 (de) * 2005-08-09 2016-10-05 The General Hospital Corporation Gerät und Verfahren zur Durchführung von polarisationsbasierter Quadraturdemulation bei optischer Kohärenztomographie
EP1937137B1 (de) 2005-09-29 2022-06-15 General Hospital Corporation Verfahren und gerät zur optischen darstellung via spektrale codierung
WO2007047690A1 (en) 2005-10-14 2007-04-26 The General Hospital Corporation Spectral- and frequency- encoded fluorescence imaging
WO2007082228A1 (en) 2006-01-10 2007-07-19 The General Hospital Corporation Systems and methods for generating data based on one or more spectrally-encoded endoscopy techniques
US8145018B2 (en) 2006-01-19 2012-03-27 The General Hospital Corporation Apparatus for obtaining information for a structure using spectrally-encoded endoscopy techniques and methods for producing one or more optical arrangements
WO2007084995A2 (en) 2006-01-19 2007-07-26 The General Hospital Corporation Methods and systems for optical imaging of epithelial luminal organs by beam scanning thereof
JP2009524066A (ja) * 2006-01-20 2009-06-25 ザ ジェネラル ホスピタル コーポレイション 波面変調を使用してスペックル低減を提供する光学的干渉断層撮影法のシステム、構成、及びプロセス
US20070171433A1 (en) * 2006-01-20 2007-07-26 The General Hospital Corporation Systems and processes for providing endogenous molecular imaging with mid-infrared light
JP5524487B2 (ja) 2006-02-01 2014-06-18 ザ ジェネラル ホスピタル コーポレイション コンフォーマルレーザ治療手順を用いてサンプルの少なくとも一部分に電磁放射を放射する方法及びシステム。
EP1986562B1 (de) * 2006-02-01 2015-04-08 The General Hospital Corporation Vorrichtung zur steuerung mindestens einer von mindestens zwei sektionen mindestens einer faser
WO2007149603A2 (en) 2006-02-01 2007-12-27 The General Hospital Corporation Apparatus for applying a plurality of electro-magnetic radiations to a sample
JP5519152B2 (ja) 2006-02-08 2014-06-11 ザ ジェネラル ホスピタル コーポレイション 光学顕微鏡法を用いて解剖学的サンプルに関わる情報を取得するための装置
EP2306141A1 (de) 2006-02-24 2011-04-06 The General Hospital Corporation Verfahren und Systeme zur Durchführung von winkelaufgelöster optischer Kohärenztomografie im Fourier-Bereich
WO2007103721A2 (en) * 2006-03-01 2007-09-13 The General Hospital Corporation System and method for providing cell specific laser therapy of atherosclerotic plaques by targeting light absorbers in macrophages
US7742173B2 (en) 2006-04-05 2010-06-22 The General Hospital Corporation Methods, arrangements and systems for polarization-sensitive optical frequency domain imaging of a sample
WO2007133961A2 (en) 2006-05-10 2007-11-22 The General Hospital Corporation Processes, arrangements and systems for providing frequency domain imaging of a sample
WO2007133964A2 (en) 2006-05-12 2007-11-22 The General Hospital Corporation Processes, arrangements and systems for providing a fiber layer thickness map based on optical coherence tomography images
US20100165335A1 (en) * 2006-08-01 2010-07-01 The General Hospital Corporation Systems and methods for receiving and/or analyzing information associated with electro-magnetic radiation
WO2008024948A2 (en) * 2006-08-25 2008-02-28 The General Hospital Corporation Apparatus and methods for enhancing optical coherence tomography imaging using volumetric filtering techniques
WO2008033909A2 (en) * 2006-09-12 2008-03-20 The General Hospital Corporation Apparatus, probe and method for providing depth assessment in an anatomical structure
WO2008049118A2 (en) 2006-10-19 2008-04-24 The General Hospital Corporation Apparatus and method for obtaining and providing imaging information associated with at least one portion of a sample and effecting such portion(s)
WO2008089342A1 (en) * 2007-01-19 2008-07-24 The General Hospital Corporation Rotating disk reflection for fast wavelength scanning of dispersed broadband light
US20080206804A1 (en) * 2007-01-19 2008-08-28 The General Hospital Corporation Arrangements and methods for multidimensional multiplexed luminescence imaging and diagnosis
EP2102583A2 (de) 2007-01-19 2009-09-23 The General Hospital Corporation Vorrichtung und verfahren zur steuerung der entfernungsmessungstiefe bei der bildgebung im optischen frequenzbereich
DE102007010389B4 (de) * 2007-03-03 2011-03-10 Polytec Gmbh Vorrichtung zur optischen Vermessung eines Objekts
US20080234586A1 (en) * 2007-03-19 2008-09-25 The General Hospital Corporation System and method for providing noninvasive diagnosis of compartment syndrome using exemplary laser speckle imaging procedure
WO2008115965A1 (en) * 2007-03-19 2008-09-25 The General Hospital Corporation Apparatus and method for providing a noninvasive diagnosis of internal bleeding
WO2008118781A2 (en) * 2007-03-23 2008-10-02 The General Hospital Corporation Methods, arrangements and apparatus for utilizing a wavelength-swept laser using angular scanning and dispersion procedures
US10534129B2 (en) * 2007-03-30 2020-01-14 The General Hospital Corporation System and method providing intracoronary laser speckle imaging for the detection of vulnerable plaque
WO2008131082A1 (en) 2007-04-17 2008-10-30 The General Hospital Corporation Apparatus and methods for measuring vibrations using spectrally-encoded endoscopy techniques
US8115919B2 (en) * 2007-05-04 2012-02-14 The General Hospital Corporation Methods, arrangements and systems for obtaining information associated with a sample using optical microscopy
US9375158B2 (en) * 2007-07-31 2016-06-28 The General Hospital Corporation Systems and methods for providing beam scan patterns for high speed doppler optical frequency domain imaging
JP5536650B2 (ja) * 2007-08-31 2014-07-02 ザ ジェネラル ホスピタル コーポレイション 自己干渉蛍光顕微鏡検査のためのシステムと方法、及び、それに関連するコンピュータがアクセス可能な媒体
US20090073439A1 (en) * 2007-09-15 2009-03-19 The General Hospital Corporation Apparatus, computer-accessible medium and method for measuring chemical and/or molecular compositions of coronary atherosclerotic plaques in anatomical structures
US20090131801A1 (en) * 2007-10-12 2009-05-21 The General Hospital Corporation Systems and processes for optical imaging of luminal anatomic structures
US7933021B2 (en) * 2007-10-30 2011-04-26 The General Hospital Corporation System and method for cladding mode detection
US20090225324A1 (en) * 2008-01-17 2009-09-10 The General Hospital Corporation Apparatus for providing endoscopic high-speed optical coherence tomography
US9332942B2 (en) * 2008-01-28 2016-05-10 The General Hospital Corporation Systems, processes and computer-accessible medium for providing hybrid flourescence and optical coherence tomography imaging
US11123047B2 (en) 2008-01-28 2021-09-21 The General Hospital Corporation Hybrid systems and methods for multi-modal acquisition of intravascular imaging data and counteracting the effects of signal absorption in blood
JP5607610B2 (ja) 2008-05-07 2014-10-15 ザ ジェネラル ホスピタル コーポレイション 構造の特徴を決定する装置、装置の作動方法およびコンピュータアクセス可能な媒体
JP5795531B2 (ja) * 2008-06-20 2015-10-14 ザ ジェネラル ホスピタル コーポレイション フューズドファイバオプティックカプラ構造、及びその使用方法
US9254089B2 (en) * 2008-07-14 2016-02-09 The General Hospital Corporation Apparatus and methods for facilitating at least partial overlap of dispersed ration on at least one sample
EP2329218B1 (de) * 2008-09-11 2018-10-24 Nikon Metrology NV Kompakte faseroptische geometrie für ein kohärentes fmcw-laserradar mit gegenchirp
WO2010068764A2 (en) 2008-12-10 2010-06-17 The General Hospital Corporation Systems, apparatus and methods for extending imaging depth range of optical coherence tomography through optical sub-sampling
US8097864B2 (en) * 2009-01-26 2012-01-17 The General Hospital Corporation System, method and computer-accessible medium for providing wide-field superresolution microscopy
CA2749670A1 (en) 2009-02-04 2010-08-12 The General Hospital Corporation Apparatus and method for utilization of a high-speed optical wavelength tuning source
US9351642B2 (en) 2009-03-12 2016-05-31 The General Hospital Corporation Non-contact optical system, computer-accessible medium and method for measurement at least one mechanical property of tissue using coherent speckle technique(s)
EP2453791B1 (de) 2009-07-14 2023-09-06 The General Hospital Corporation Vorrichtung zum messen des flusses und drucks in einem gefäss
US20110137178A1 (en) * 2009-10-06 2011-06-09 The General Hospital Corporation Devices and methods for imaging particular cells including eosinophils
US20110224541A1 (en) * 2009-12-08 2011-09-15 The General Hospital Corporation Methods and arrangements for analysis, diagnosis, and treatment monitoring of vocal folds by optical coherence tomography
SI2542145T1 (sl) 2010-03-05 2021-01-29 The General Hospital Corporation Sistemi, ki zagotavljajo mikroskopske slike vsaj ene anatomske strukture pri določeni ločljivosti
US9069130B2 (en) 2010-05-03 2015-06-30 The General Hospital Corporation Apparatus, method and system for generating optical radiation from biological gain media
WO2011149972A2 (en) 2010-05-25 2011-12-01 The General Hospital Corporation Systems, devices, methods, apparatus and computer-accessible media for providing optical imaging of structures and compositions
EP2575598A2 (de) 2010-05-25 2013-04-10 The General Hospital Corporation Vorrichtungen, systeme, verfahren und computerlesbares medium zur spektralanalyse von bildern aus einer optischen kohärenz-tomographie
WO2011153434A2 (en) 2010-06-03 2011-12-08 The General Hospital Corporation Apparatus and method for devices for imaging structures in or at one or more luminal organs
EP2632324A4 (de) 2010-10-27 2015-04-22 Gen Hospital Corp Vorrichtungen, systeme und verfahren zur blutdruckmessung in mindestens einem gefäss
JP6240064B2 (ja) 2011-04-29 2017-11-29 ザ ジェネラル ホスピタル コーポレイション 散乱媒質の深さ分解した物理的及び／又は光学的特性を決定する方法
WO2013013049A1 (en) 2011-07-19 2013-01-24 The General Hospital Corporation Systems, methods, apparatus and computer-accessible-medium for providing polarization-mode dispersion compensation in optical coherence tomography
EP3835718B1 (de) 2011-08-25 2023-07-26 The General Hospital Corporation Vorrichtung zur bereitstellung mikrooptischer kohärenztomographie in einem atmungssystem
US9341783B2 (en) 2011-10-18 2016-05-17 The General Hospital Corporation Apparatus and methods for producing and/or providing recirculating optical delay(s)
US9629528B2 (en) 2012-03-30 2017-04-25 The General Hospital Corporation Imaging system, method and distal attachment for multidirectional field of view endoscopy
EP2852315A4 (de) 2012-05-21 2016-06-08 Gen Hospital Corp Einrichtung, vorrichtung und verfahren für kapselmikroskopie
EP2888616A4 (de) 2012-08-22 2016-04-27 Gen Hospital Corp System, verfahren, und über computer zugängliches medium zur herstellung eines miniaturendoskops mit weicher lithografie
WO2014120791A1 (en) 2013-01-29 2014-08-07 The General Hospital Corporation Apparatus, systems and methods for providing information regarding the aortic valve
WO2014121082A1 (en) 2013-02-01 2014-08-07 The General Hospital Corporation Objective lens arrangement for confocal endomicroscopy
EP2967491B1 (de) 2013-03-15 2022-05-11 The General Hospital Corporation Ein transösophageales endoskopisches system zur bestimmung einer gemischten venösen sauerstoffsättigung einer lungenarterie
EP2997354A4 (de) 2013-05-13 2017-01-18 The General Hospital Corporation Erkennung einer selbstinterferierenden fluoreszenzphase und amplitude
WO2015010133A1 (en) 2013-07-19 2015-01-22 The General Hospital Corporation Determining eye motion by imaging retina. with feedback
EP4349242A2 (de) 2013-07-19 2024-04-10 The General Hospital Corporation Bildgebungsvorrichtung und verfahren mit multidirektionaler sichtfeldendoskopie
US9668652B2 (en) 2013-07-26 2017-06-06 The General Hospital Corporation System, apparatus and method for utilizing optical dispersion for fourier-domain optical coherence tomography
US9733460B2 (en) 2014-01-08 2017-08-15 The General Hospital Corporation Method and apparatus for microscopic imaging
WO2015116986A2 (en) 2014-01-31 2015-08-06 The General Hospital Corporation System and method for facilitating manual and/or automatic volumetric imaging with real-time tension or force feedback using a tethered imaging device
WO2015153982A1 (en) 2014-04-04 2015-10-08 The General Hospital Corporation Apparatus and method for controlling propagation and/or transmission of electromagnetic radiation in flexible waveguide(s)
WO2016015052A1 (en) 2014-07-25 2016-01-28 The General Hospital Corporation Apparatus, devices and methods for in vivo imaging and diagnosis
JP2023042778A (ja) 2021-09-15 2023-03-28 オムロン株式会社 光干渉測距センサ
JP2023042844A (ja) 2021-09-15 2023-03-28 オムロン株式会社 光干渉測距センサ
JP2023132738A (ja) 2022-03-11 2023-09-22 オムロン株式会社 光干渉測距センサ
JP2023132774A (ja) 2022-03-11 2023-09-22 オムロン株式会社 光干渉測距センサ
JP2023132668A (ja) 2022-03-11 2023-09-22 オムロン株式会社 光干渉測距センサ

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4146373A (en) * 1977-12-23 1979-03-27 Owens-Corning Fiberglas Corporation Bushing construction
US4356395A (en) * 1979-07-06 1982-10-26 The Boeing Company Digital fiber optic sensor system
FR2476326A1 (fr) * 1980-02-20 1981-08-21 Cilas Dispositif pour determiner la position angulaire d'une cible eclairee par des impulsions lumineuses
JPS59143908A (ja) * 1983-02-07 1984-08-17 Mitsutoyo Mfg Co Ltd 表面粗さ検出装置
US4743113A (en) * 1985-08-29 1988-05-10 Western Atlas International, Inc. Optical fiber interferometer network
US4627731A (en) * 1985-09-03 1986-12-09 United Technologies Corporation Common optical path interferometric gauge
US4748686A (en) * 1986-10-15 1988-05-31 United Technologies Corporation Coherence multiplexed optical position transducer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10031636A1 (de) * 2000-06-29 2002-01-17 Siemens Ag Spektrometer
DE10031636B4 (de) * 2000-06-29 2006-01-05 Siemens Ag Spektrometer

Also Published As

Publication number Publication date
JPH02196912A (ja) 1990-08-03
ATE104430T1 (de) 1994-04-15
DE68914472D1 (de) 1994-05-19
JP2686124B2 (ja) 1997-12-08
EP0324708A3 (de) 1991-04-03
US4892406A (en) 1990-01-09
FI92958B (fi) 1994-10-14
EP0324708A2 (de) 1989-07-19
FI890120A (fi) 1989-07-12
FI92958C (fi) 1995-01-25
FI890120A0 (fi) 1989-01-10
EP0324708B1 (de) 1994-04-13

Similar Documents

Publication Publication Date Title
DE68914472D1 (de) Verfahren und Gerät zur Messung von Vibrationen.
ATE92640T1 (de) Frequenzmoduliertes laser-radar.
DE69910571D1 (de) Vorrichtungzum bestimmen der kontur einer strassenoberfläche
SE8802579L (sv) Apparat och metod foer bestaemning av massan foer en artikel genom maetning av skiftet i perioden foer harmonisk roerelse
FR2450455B1 (de)
ATE62754T1 (de) Verfahren, schaltungsanordnung und einrichtung zur beruehrungslosen real-time-bestimmung von geschwindigkeiten sowie deren verwendung.
GB1537925A (en) Interferometer to measure small displacements
ATE162306T1 (de) Verfahren und gerät zur inspektion
DE69117858D1 (de) Optische Verfahren und Vorrichtung für hochakkurate Topographie
DE59309152D1 (de) Verfahren und Vorrichtung zur hochgenauen Abstandsmessung von Oberflächen
PT82544A (pt) Aperfeicoamentos em, e relativos a, instrumentos de medida
ATE127215T1 (de) Verfahren zur messung der neigungen von grenzflächen in einem optischen system.
JPS52150059A (en) Length measuring apparatus
SE8800097D0 (sv) Forfarande for att faststella en upptredande diskrepans mellan tva optiska vegstreckor samt anordning anpassad for utforande av forfarandet
ATE33187T1 (de) Verfahren und vorrichtung zur messung der laenge einer strecke oder eines bogens.
US5541732A (en) Method and apparatus for measuring a relative movement between two elements
FR2459470B1 (fr) Dispositif de mesure de la deviation d'un faisceau lumineux
ATE356336T1 (de) Messeinrichtung zur erfassung von dimensionen von prüflingen sowie verfahren unter verwendung der messeinrichtung
DE3872248D1 (de) Vorrichtung zum pruefen von sich mit hoher geschwindigkeit bewegenden bahnfoermigen flaechengebilden.
FR2352279A1 (fr) Procede de mesure interferometrique des intervalles, epaisseurs ou planeites
ATE29294T1 (de) Verfahren und anordnung zur messung des ortes oder der bewegung eines koerpers.
LU79563A1 (fr) Dispositif de mesure des defauts de rectitude d'une voie,notamment de voies ferrees
TOBOADA Method and apparatus for generating a structured light beam array[Patent Application]
DE3878598D1 (de) Anordnung zur messung von verformungen an proben oder pruefkoerpern in pruefmaschinen.
Bixby Laser inspection

Legal Events

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