| Patents for G01B 11 - Measuring arrangements characterised by the use of optical means (73,862) |
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| 05/02/1991 | DE4033485A1 Automatically examining objects using opto-electronic camera - with illumination from two or more sides and electronic evaluating unit for camera signals |
| 05/02/1991 | DE4019922A1 Optical channel for opto-electronic measurement of rolled product |
| 05/01/1991 | CA2025380A1 Method and system for performing wall thickness measurements |
| 04/30/1991 | US5012523 Dimension checking method |
| 04/30/1991 | US5012117 Process and apparatus for the automatic non-contact surface inspection of cylindrical parts |
| 04/30/1991 | US5012082 Two-dimensional incident position detector device for light or radiation |
| 04/30/1991 | US5012081 Strapdown stellar sensor and holographic lens therefor |
| 04/30/1991 | US5011287 Interferometer object position measuring system and device |
| 04/30/1991 | US5011282 Laser beam path alignment apparatus for laser processing machines |
| 04/30/1991 | US5011280 Method of measuring displacement between points on a test object |
| 04/30/1991 | US5011259 Method for aligning two waveguide fiber ends and an apparatus for performing the method |
| 04/30/1991 | CA2012758A1 Method and apparatus for monitoring size encapsulation of yarn on a slasher |
| 04/30/1991 | CA1283722C Spurious electromagnetic energy discriminator for electro-optical inspection systems |
| 04/25/1991 | DE4027921A1 High speed three=dimensional precision measurement arrangement - uses CNC controllers for drive motors of three axes contg. servo-pneumatic pressure drive modules |
| 04/25/1991 | DE3934933A1 Anordnung und verfahren zum detektieren einer werkstueckkante Arrangement and method for detecting a werkstueckkante |
| 04/25/1991 | DE3934744A1 Non-contact thickness determn. - by moving focusing lens for laser beam |
| 04/25/1991 | DE3934423C1 Camera photographing topography of test piece surface - produces Moire image using CCD sensors recording phase shift between object grating and camera reference grating |
| 04/25/1991 | DE3926457A1 Fibre=optic sensor for parameter measurement or transmission |
| 04/24/1991 | EP0424359A2 Device for emitting multislit lights |
| 04/24/1991 | EP0423854A1 Method for determining the misalignment in the horizontal plane of elongated parts of a machine, such as cylinders and rollers, and an optical reflection instrument suitable for use with this method |
| 04/24/1991 | EP0423380A1 Device to measure irregularities of threads |
| 04/24/1991 | EP0423209A1 Probes. |
| 04/24/1991 | CN2075770U Laser measuring device for surface roughness |
| 04/23/1991 | US5010578 Method and apparatus for the identification of metal surface finishes |
| 04/23/1991 | US5009506 Photoelectric position-measuring arrangement having a plurality of shiftable grids |
| 04/23/1991 | US5009505 Optical sensor for determining changes in a dimension and/or a temperature of an object |
| 04/18/1991 | DE3934528A1 Measuring variations in running surface of rail vehicle wheel - using sensor moved stepwise transversely to running surface, laser distance measurement, and display of actual and desired profiles |
| 04/17/1991 | EP0422548A2 Atomic force microscope |
| 04/17/1991 | EP0422545A2 Sheet thickness measuring apparatus |
| 04/17/1991 | EP0422259A1 Switch arrangement for an optoelectronic position sensor |
| 04/17/1991 | EP0422249A1 Optical distance sensor |
| 04/17/1991 | EP0422182A1 A device for measuring the length of a contact surface. |
| 04/17/1991 | EP0422150A1 Non-contact surface profiler |
| 04/17/1991 | EP0274490B1 Optical measuring apparatus for use on machines |
| 04/17/1991 | EP0195055B1 Railhead profile measuring apparatus |
| 04/16/1991 | US5008743 Telecentric imaging system optical inspection machine using the same and method for correcting optical distortion produced thereby |
| 04/16/1991 | US5008556 Measuring a gap between a tube and a float |
| 04/16/1991 | US5008555 Optical probe with overlapping detection fields |
| 04/16/1991 | US5008543 System for determining the position of at least one target by triangulation |
| 04/16/1991 | US5007739 Length measuring apparatus |
| 04/16/1991 | US5007175 System for materializing a point in space, applications thereof and a tooling assembly for said system |
| 04/16/1991 | CA1283210C Element recognition and orientation |
| 04/10/1991 | EP0420897A1 Method of path and angle measurement. |
| 04/09/1991 | US5007097 Lead's position recognizing device |
| 04/09/1991 | US5007006 Method of and apparatus for calibration of machines |
| 04/09/1991 | US5006719 Device for detecting the edge location of an object |
| 04/09/1991 | US5005979 Optical position detection |
| 04/09/1991 | US5005978 Apparatus and method for the noncontact measurement of drill diameter, runout, and tip position |
| 04/09/1991 | US5005975 Surface profile analyzer |
| 04/09/1991 | CA1282586C Vertical alignment apparatus |
| 04/07/1991 | WO1991005219A1 System for measuring the relaxed length of a moving web |
| 04/07/1991 | CA2042045A1 System for measuring the relaxed length of a moving web |
| 04/04/1991 | WO1991004460A1 Device for absolute two-dimensional position measurement |
| 04/04/1991 | WO1991003989A1 Process and device for the production of an individual tooth replacement part |
| 04/04/1991 | DE3936513A1 Measuring arrangement for width of moving web material - has reciprocally movable IR or laser measurement heads esp. for flat hose of thermoplastic foil |
| 04/04/1991 | DE3932053A1 Measuring escarpment movement using measuring probe - introduced through guide pipe inserted into ground and accepting target disc and light beam |
| 04/04/1991 | DE3931213A1 Interferometric measuring procedure for surface evenness - subjecting semiconductor silicon wafer to at least three different phases of radiation to derive topography |
| 04/03/1991 | EP0420663A2 Hot kiln alignment system |
| 04/03/1991 | EP0420113A2 Apparatus for and method of evaluating multilayer thin films |
| 04/03/1991 | EP0419936A1 Process and apparatus for the phase indication of radiation, especially light radiation |
| 04/03/1991 | EP0419916A2 Device to examine the parallelism of two axes |
| 04/03/1991 | EP0419642A1 Moire distance measurement method and apparatus |
| 04/03/1991 | EP0419602A1 Method and apparatus for determining movements in structures |
| 04/03/1991 | EP0419517A1 Interferometric imaging system |
| 04/03/1991 | CN2074446U Mechanical photographic-scanner |
| 04/02/1991 | US5004929 Optical system for detecting three-dimensional shape |
| 04/02/1991 | US5004348 Alignment device |
| 04/02/1991 | US5004347 Method and an apparatus for inspecting the edge of a lid |
| 04/02/1991 | US5004345 Dual-lens shearing interferometer |
| 04/02/1991 | US5004339 Method and apparatus for determining physical characteristics of objects and object surfaces |
| 04/02/1991 | US5004321 Resolution confocal microscope, and device fabrication method using same |
| 04/02/1991 | US5003918 Apparatus for manufacturing atherectomy torque tubes |
| 04/02/1991 | US5003823 Noncontact rotating liquid film thickness sensor |
| 04/02/1991 | US5003815 Spectroscopic apparatus |
| 04/02/1991 | CA1282495C Curve following apparatus |
| 04/02/1991 | CA1282235C Method and apparatus for determining a dimension of an article |
| 03/30/1991 | WO1991005336A1 Power-modulated laser devices |
| 03/28/1991 | DE3930912A1 Parallelism testing appts. for two axes - has automatic collimator and beam splitter testing position of three mirror planes |
| 03/28/1991 | DE3930794A1 Ascertaining inner dia. of bundle on expandable winch - using computer to calculate path of hydraulic piston driving spreadable parts |
| 03/28/1991 | DE3930736A1 Image pick=up arrangement - uses anamorphotic optical system forming rectangular image of square object via detector matrix |
| 03/27/1991 | EP0418710A1 Positioning device for an inspection and/or repair mast of a water cooled nuclear reactor core barrel |
| 03/27/1991 | EP0418446A1 Method of and device for detecting the position of a body |
| 03/27/1991 | EP0276268B1 Electro-optical device for constantly monitoring the mutual spatial relationship of two machines or machine parts |
| 03/26/1991 | US5003615 Optoelectronic system for determining surface irregularities of a workpiece having a nominally plane reflective surface |
| 03/26/1991 | US5003187 Method and apparatus for surveying the surface of an object by projection of fringe patterns |
| 03/26/1991 | US5003170 Reference signal generation apparatus for position detector with Fraunhofer diffraction |
| 03/26/1991 | US5003166 Multidimensional range mapping with pattern projection and cross correlation |
| 03/26/1991 | US5002396 Displacement telemetering system |
| 03/26/1991 | CA1282145C Non-contact sensor with particular utility for measurement of roadprofile |
| 03/21/1991 | WO1991003705A1 Improvements in or relating to a method and apparatus for measuring shear force |
| 03/21/1991 | WO1991003704A1 Object recognition method by otpical cutting method |
| 03/21/1991 | DE3930554A1 Vorrichtung zur absoluten zweidimensionalen positions-messung Apparatus for absolute two-dimensional position-measurement |
| 03/20/1991 | WO1991004634A1 Dual image video inspection apparatus |
| 03/20/1991 | EP0418202A2 Optical sensor with intermodal interferometry |
| 03/20/1991 | EP0417934A2 Position measuring system and positioning machine |
| 03/20/1991 | EP0417742A1 Electro-optical scanning device for a length or angle measuring instrument |
| 03/20/1991 | EP0417207A1 Computer input device using an orientation sensor |
| 03/20/1991 | EP0417141A1 Digital measuring and proportioning instrument |
| 03/20/1991 | CA2064014A1 Dual image video inspection apparatus |
| 03/19/1991 | US5001353 Method and apparatus to measure the thickness of coating films |