FI890120A - Förfarande och anordning för mätning av svängning - Google Patents

Förfarande och anordning för mätning av svängning Download PDF

Info

Publication number
FI890120A
FI890120A FI890120A FI890120A FI890120A FI 890120 A FI890120 A FI 890120A FI 890120 A FI890120 A FI 890120A FI 890120 A FI890120 A FI 890120A FI 890120 A FI890120 A FI 890120A
Authority
FI
Finland
Prior art keywords
predetermined
predetermined zone
component
probe
location
Prior art date
Application number
FI890120A
Other languages
English (en)
Finnish (fi)
Other versions
FI92958C (sv
FI890120A0 (sv
FI92958B (sv
Inventor
James P Waters
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
Publication of FI890120A0 publication Critical patent/FI890120A0/sv
Publication of FI890120A publication Critical patent/FI890120A/sv
Application granted granted Critical
Publication of FI92958B publication Critical patent/FI92958B/sv
Publication of FI92958C publication Critical patent/FI92958C/sv

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
    • G01D5/268Mechanical 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01HMEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H9/00Measuring 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)
  • Instruments For Measurement Of Length By Optical Means (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
FI890120A 1988-01-11 1989-01-10 Förfarande och anordning för mätning av svängning FI92958C (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14288988 1988-01-11
US07/142,889 US4892406A (en) 1988-01-11 1988-01-11 Method of and arrangement for measuring vibrations

Publications (4)

Publication Number Publication Date
FI890120A0 FI890120A0 (sv) 1989-01-10
FI890120A true FI890120A (sv) 1989-07-12
FI92958B FI92958B (sv) 1994-10-14
FI92958C FI92958C (sv) 1995-01-25

Family

ID=22501688

Family Applications (1)

Application Number Title Priority Date Filing Date
FI890120A FI92958C (sv) 1988-01-11 1989-01-10 Förfarande och anordning för mätning av svängning

Country Status (6)

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

Families Citing this family (115)

* 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 (sv) * 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
DE10031636B4 (de) * 2000-06-29 2006-01-05 Siemens Ag Spektrometer
US9295391B1 (en) * 2000-11-10 2016-03-29 The General Hospital Corporation Spectrally encoded miniature endoscopic imaging probe
AT503309B1 (de) 2001-05-01 2011-08-15 Gen Hospital Corp Vorrichtung 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
EP2319404B1 (en) * 2003-01-24 2015-03-11 The General Hospital Corporation System and method for identifying tissue low-coherence interferometry
US8054468B2 (en) 2003-01-24 2011-11-08 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
US7567349B2 (en) 2003-03-31 2009-07-28 The General Hospital Corporation Speckle reduction in optical coherence tomography by path length encoded angular compounding
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
EP2030562A3 (en) * 2003-06-06 2009-03-25 The General Hospital Corporation Process and apparatus for a wavelength tuning source
CN103181753B (zh) 2003-10-27 2016-12-28 通用医疗公司 用于使用频域干涉测量法进行光学成像的方法和设备
US7551293B2 (en) 2003-11-28 2009-06-23 The General Hospital Corporation Method and apparatus for three-dimensional spectrally encoded imaging
EP1754016B1 (en) 2004-05-29 2016-05-18 The General Hospital Corporation Process, system and software arrangement for a chromatic dispersion compensation using reflective layers in optical coherence tomography (oct) imaging
EP1771755B1 (en) 2004-07-02 2016-09-21 The General Hospital Corporation Endoscopic imaging probe comprising dual clad fibre
WO2006017837A2 (en) 2004-08-06 2006-02-16 The General Hospital Corporation Process, system and software arrangement for determining at least one location in a sample using an optical coherence tomography
EP2272421A1 (en) * 2004-08-24 2011-01-12 The General Hospital Corporation Method and apparatus for imaging of vessel segments
WO2006024014A2 (en) 2004-08-24 2006-03-02 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
US7382949B2 (en) * 2004-11-02 2008-06-03 The General Hospital Corporation Fiber-optic rotational device, optical system and method for imaging a sample
US7388672B2 (en) * 2004-11-19 2008-06-17 Carl Ziess Meditec, Inc. High efficiency balanced detection interferometer
WO2006058049A1 (en) * 2004-11-24 2006-06-01 The General Hospital Corporation Common-path interferometer for endoscopic oct
US8922781B2 (en) * 2004-11-29 2014-12-30 The General Hospital Corporation Arrangements, devices, endoscopes, catheters and methods for performing optical imaging by simultaneously illuminating and detecting multiple points on a sample
ATE451669T1 (de) * 2005-04-28 2009-12-15 Gen Hospital Corp Bewertung von bildmerkmalen einer anatomischen struktur in optischen kohärenztomographiebildern
JP2008541096A (ja) * 2005-05-13 2008-11-20 ザ ジェネラル ホスピタル コーポレイション 化学的試料および生体試料の高感度検出用スペクトル領域光コヒーレンス反射計測を実行可能な装置、システム、および方法
EP1887926B1 (en) 2005-05-31 2014-07-30 The General Hospital Corporation System and method which use spectral encoding heterodyne interferometry techniques for imaging
JP5547402B2 (ja) * 2005-08-09 2014-07-16 ザ ジェネラル ホスピタル コーポレイション 光コヒーレンストモグラフィにおいて偏光に基づく直交復調を実行する装置、方法及び記憶媒体
US20070121196A1 (en) 2005-09-29 2007-05-31 The General Hospital Corporation Method and apparatus for method for viewing and analyzing of one or more biological samples with progressively increasing resolutions
JP5203951B2 (ja) 2005-10-14 2013-06-05 ザ ジェネラル ホスピタル コーポレイション スペクトル及び周波数符号化蛍光画像形成
EP1971848B1 (en) 2006-01-10 2019-12-04 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
CN104257348A (zh) 2006-01-19 2015-01-07 通用医疗公司 通过上皮内腔器官束扫描对上皮内腔器官进行光学成像的方法和系统
WO2007084933A2 (en) * 2006-01-20 2007-07-26 The General Hospital Corporation Systems and processes for providing endogenous molecular imaging with mid-infared light
EP1973467B1 (en) * 2006-01-20 2013-10-16 The General Hospital Corporation Systems and process for providing speckle reduction using a wave front modulation for optical coherence tomography
JP5680829B2 (ja) 2006-02-01 2015-03-04 ザ ジェネラル ホスピタル コーポレイション 複数の電磁放射をサンプルに照射する装置
EP1986562B1 (en) * 2006-02-01 2015-04-08 The General Hospital Corporation Apparatus for controlling at least one of at least two sections of at least one fiber
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。
EP3143926B1 (en) 2006-02-08 2020-07-01 The General Hospital Corporation Methods, arrangements and systems for obtaining information associated with an anatomical sample using optical microscopy
EP2309221A1 (en) 2006-02-24 2011-04-13 The General Hospital Corporation Methods and systems for performing angle-resolved fourier-domain optical coherence tomography
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
WO2007118129A1 (en) 2006-04-05 2007-10-18 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
US7782464B2 (en) 2006-05-12 2010-08-24 The General Hospital Corporation Processes, arrangements and systems for providing a fiber layer thickness map based on optical coherence tomography images
WO2008016927A2 (en) * 2006-08-01 2008-02-07 The General Hospital Corporation Systems and methods for receiving and/or analyzing information associated with electro-magnetic radiation
US7920271B2 (en) * 2006-08-25 2011-04-05 The General Hospital Corporation Apparatus and methods for enhancing optical coherence tomography imaging using volumetric filtering techniques
US20080287808A1 (en) * 2006-09-12 2008-11-20 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)
US20080206804A1 (en) * 2007-01-19 2008-08-28 The General Hospital Corporation Arrangements and methods for multidimensional multiplexed luminescence imaging and diagnosis
EP2104968A1 (en) * 2007-01-19 2009-09-30 The General Hospital Corporation Rotating disk reflection for fast wavelength scanning of dispersed broadband light
JP5507258B2 (ja) 2007-01-19 2014-05-28 ザ ジェネラル ホスピタル コーポレイション 光周波数領域イメージングにおける測定深度を制御するための装置及び方法
DE102007010389B4 (de) * 2007-03-03 2011-03-10 Polytec Gmbh Vorrichtung zur optischen Vermessung eines Objekts
WO2008116010A1 (en) * 2007-03-19 2008-09-25 The General Hospital Corporation System and method for providing noninvasive diagnosis of compartment syndrome exemplary laser speckle imaging procedure
US20080234567A1 (en) * 2007-03-19 2008-09-25 The General Hospital Corporation Apparatus and method for providing a noninvasive diagnosis of internal bleeding
US9176319B2 (en) * 2007-03-23 2015-11-03 The General Hospital Corporation Methods, arrangements and apparatus for utilizing a wavelength-swept laser using angular scanning and dispersion procedures
WO2008121844A1 (en) * 2007-03-30 2008-10-09 The General Hospital Corporation System and method providing intracoronary laser speckle imaging for the detection of vulnerable plaque
US8045177B2 (en) 2007-04-17 2011-10-25 The General Hospital Corporation Apparatus and methods for measuring vibrations using spectrally-encoded endoscopy
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
WO2009018456A2 (en) * 2007-07-31 2009-02-05 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
JP2011500173A (ja) * 2007-10-12 2011-01-06 ザ ジェネラル ホスピタル コーポレイション 管腔解剖構造の光学イメージングのためのシステムおよびプロセス
WO2009059034A1 (en) * 2007-10-30 2009-05-07 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
EP2274572A4 (en) * 2008-05-07 2013-08-28 Gen Hospital Corp SYSTEM, METHOD AND COMPUTER MEDIUM FOR MONITORING THE MOVEMENT OF VESSELS DURING A THREE-DIMENSIONAL MICROSCOPY EXAMINATION OF CORONARY ARTERIES
WO2009155536A2 (en) * 2008-06-20 2009-12-23 The General Hospital Corporation Fused fiber optic coupler arrangement and method for use thereof
EP2309923B1 (en) 2008-07-14 2020-11-25 The General Hospital Corporation Apparatus and methods for color endoscopy
JP5752040B2 (ja) * 2008-09-11 2015-07-22 ニコン・メトロロジー・エヌヴェ 対チャープfmcwコヒーレントレーザレーダー用の小型の光ファイバ配置
US8937724B2 (en) 2008-12-10 2015-01-20 The General Hospital Corporation Systems and methods for extending imaging depth range of optical coherence tomography through optical sub-sampling
WO2010085775A2 (en) * 2009-01-26 2010-07-29 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
WO2010105197A2 (en) 2009-03-12 2010-09-16 The General Hospital Corporation Non-contact optical system, computer-accessible medium and method for measuring at least one mechanical property of tissue using coherent speckle techniques(s)
EP2453791B1 (en) 2009-07-14 2023-09-06 The General Hospital Corporation Apparatus for measuring flow and pressure within a vessel
JP5856061B2 (ja) * 2009-10-06 2016-02-09 ザ ジェネラル ホスピタル コーポレイション スペクトル符号化共焦点顕微鏡法を用いた特定の細胞を撮像するための装置及び方法
EP2509488A4 (en) * 2009-12-08 2014-04-09 Gen Hospital Corp METHODS AND ARRANGEMENTS FOR THE ANALYSIS, DIAGNOSIS AND MONITORING OF VOCAL STRENGTH PROCESSING BY OPTICAL COHERENCE TOMOGRAPHY
WO2011109835A2 (en) * 2010-03-05 2011-09-09 The General Hospital Corporation Systems, methods and computer-accessible medium which provide microscopic images of at least one anatomical structure at a particular resolution
US9069130B2 (en) 2010-05-03 2015-06-30 The General Hospital Corporation Apparatus, method and system for generating optical radiation from biological gain media
US9795301B2 (en) 2010-05-25 2017-10-24 The General Hospital Corporation Apparatus, systems, methods and computer-accessible medium for spectral analysis of optical coherence tomography images
EP2575597B1 (en) 2010-05-25 2022-05-04 The General Hospital Corporation Apparatus for providing optical imaging of structures and compositions
JP6066901B2 (ja) 2010-06-03 2017-01-25 ザ ジェネラル ホスピタル コーポレイション 1つまたは複数の管腔器官内または管腔器官にある構造を撮像するための装置およびデバイスのための方法
WO2012058381A2 (en) 2010-10-27 2012-05-03 The General Hospital Corporation Apparatus, systems and methods for measuring blood pressure within at least one vessel
WO2012149175A1 (en) 2011-04-29 2012-11-01 The General Hospital Corporation Means for determining depth-resolved physical and/or optical properties of scattering media
JP2014523536A (ja) 2011-07-19 2014-09-11 ザ ジェネラル ホスピタル コーポレイション 光コヒーレンストモグラフィーにおいて偏波モード分散補償を提供するためのシステム、方法、装置およびコンピュータアクセス可能な媒体
EP3835718B1 (en) 2011-08-25 2023-07-26 The General Hospital Corporation Apparatus for providing micro-optical coherence tomography inside a respiratory system
JP2015502562A (ja) 2011-10-18 2015-01-22 ザ ジェネラル ホスピタル コーポレイション 再循環光学遅延を生成および/または提供するための装置および方法
US9629528B2 (en) 2012-03-30 2017-04-25 The General Hospital Corporation Imaging system, method and distal attachment for multidirectional field of view endoscopy
WO2013177154A1 (en) 2012-05-21 2013-11-28 The General Hospital Corporation Apparatus, device and method for capsule microscopy
EP2888616A4 (en) 2012-08-22 2016-04-27 Gen Hospital Corp SYSTEM, METHOD AND COMPUTER-ACCESSIBLE MEDIA FOR MANUFACTURING MINIATURE ENDOSCOPES USING SOFT LITHOGRAPHY
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
JP6378311B2 (ja) 2013-03-15 2018-08-22 ザ ジェネラル ホスピタル コーポレイション 物体を特徴付ける方法とシステム
WO2014186353A1 (en) 2013-05-13 2014-11-20 The General Hospital Corporation Detecting self-interefering fluorescence phase and amplitude
WO2015009932A1 (en) 2013-07-19 2015-01-22 The General Hospital Corporation Imaging apparatus and method which utilizes multidirectional field of view endoscopy
EP3021735A4 (en) 2013-07-19 2017-04-19 The General Hospital Corporation Determining eye motion by imaging retina. with feedback
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
WO2015105870A1 (en) 2014-01-08 2015-07-16 The General Hospital Corporation Method and apparatus for microscopic imaging
US10736494B2 (en) 2014-01-31 2020-08-11 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)
ES2907287T3 (es) 2014-07-25 2022-04-22 Massachusetts Gen Hospital Aparato para imagenología y diagnóstico in vivo
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
JP2023132668A (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
JP2023132738A (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

Also Published As

Publication number Publication date
EP0324708B1 (en) 1994-04-13
FI92958C (sv) 1995-01-25
EP0324708A2 (en) 1989-07-19
JP2686124B2 (ja) 1997-12-08
DE68914472T2 (de) 1994-07-28
DE68914472D1 (de) 1994-05-19
EP0324708A3 (en) 1991-04-03
FI890120A0 (sv) 1989-01-10
JPH02196912A (ja) 1990-08-03
ATE104430T1 (de) 1994-04-15
US4892406A (en) 1990-01-09
FI92958B (sv) 1994-10-14

Similar Documents

Publication Publication Date Title
FI890120A (sv) Förfarande och anordning för mätning av svängning
ATE92640T1 (de) Frequenzmoduliertes laser-radar.
SE8802579L (sv) Apparat och metod foer bestaemning av massan foer en artikel genom maetning av skiftet i perioden foer harmonisk roerelse
DE3063569D1 (en) Device for measuring linear speeds without contact and without marking
JPS567006A (en) Method of extending measurement range of interference
ATE247750T1 (de) Vorrichtungzum bestimmen der kontur einer strassenoberfläche
ES2012418A6 (es) Procedimiento y dispositivo para la medicion de la velocidad yno de lalongitud de bandas continuas de tejido textil.
EP0150035A3 (en) Method and circuit arrangement for the contactless and real time determination of speeds
GB1537925A (en) Interferometer to measure small displacements
ATE113121T1 (de) Vorrichtung zur dimensionsmessung.
PT82544A (pt) Aperfeicoamentos em, e relativos a, instrumentos de medida
JPS52150059A (en) Length measuring apparatus
JPS56111407A (en) Shaft torsion detecting method
SE8800097L (sv) Foerfarande foer att faststaella en upptraedande diskrepans mellan tvaa optiska vaegstraeckor samt anordning anpassad foer utfoerande av foerfarandet
SE8403402D0 (sv) Forfarande och anordning for observering av strimmor i maskinriktnilngen i papper eller dess beleggning
EP0083082A3 (en) Procedure and device for measuring the length of a straight or a curred path
EP0397289A3 (en) Straightness interferometer system
FR2459470B1 (fr) Dispositif de mesure de la deviation d'un faisceau lumineux
FR2567651B1 (fr) Equipement de mesure de vitesse d'un projectile par interferometrie utilisant un faisceau laser propage par un guide d'onde optique unique
DE3872248D1 (de) Vorrichtung zum pruefen von sich mit hoher geschwindigkeit bewegenden bahnfoermigen flaechengebilden.
IT1188990B (it) Dispositivo per la scansione alternata di un piano per mezzo di un fascio luminoso
DE69929624D1 (de) Stereo-ophtalmoskop mit begrenzter kohärenz
FR2352279A1 (fr) Procede de mesure interferometrique des intervalles, epaisseurs ou planeites
EP0062191A3 (en) Method and apparatus for measuring the position or displacement of a body
TOBOADA Method and apparatus for generating a structured light beam array[Patent Application]

Legal Events

Date Code Title Description
BB Publication of examined application
MM Patent lapsed
MM Patent lapsed

Owner name: UNITED TECHNOLOGIES CORPORATION