| Patents for G01B 11 - Measuring arrangements characterised by the use of optical means (73,862) |
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| 03/19/1991 | US5001340 Angle measuring arrangement |
| 03/19/1991 | US5001324 Precision joint tracking laser welding system |
| 03/19/1991 | US5000575 Method of fabricating gradient index optical films |
| 03/19/1991 | US5000574 Interferometric surface distortion detector |
| 03/19/1991 | CA1281542C Axial alignment aid for remote control operations and related method |
| 03/14/1991 | DE3930224A1 Measuring contours of rotating machining tool |
| 03/14/1991 | DE3929679A1 Measuring contour of machine tool by optical scanning - using camera(s) with illumination having light directed to measuring point by mirror system |
| 03/13/1991 | EP0417055A1 Device for positioning of a drill bit |
| 03/13/1991 | EP0416302A1 Procedure for optical quality inspection of large-faced panes of a transparent material like glass |
| 03/13/1991 | EP0416059A1 A method of measuring a vehicular frame |
| 03/13/1991 | EP0198037B1 Method for determining localized fiber angle in a three dimensional fibrous material |
| 03/13/1991 | CN1049906A Design method for optical grating pair of high-precision goniometer |
| 03/12/1991 | US4999681 Real-time halographic interferometry with a pulsed laser and flicker-free viewing |
| 03/12/1991 | US4999509 Optical measuring device of film thickness |
| 03/12/1991 | US4999508 Optical film thickness measuring device for measuring two-layer film thicknesses using spectral reflectance |
| 03/12/1991 | US4999487 Dual focus |
| 03/12/1991 | US4999014 Method and apparatus for measuring thickness of thin films |
| 03/12/1991 | US4998823 Two-dimensional position detecting method and apparatus |
| 03/12/1991 | US4998819 Topography measuring apparatus |
| 03/12/1991 | CA1281182C Displacement measuring apparatus |
| 03/07/1991 | WO1991002941A1 Edge sensor |
| 03/06/1991 | WO1991003732A1 Method for aligning an articulated beam delivery device, such as a robot |
| 03/06/1991 | EP0415771A2 Measurement of spatial dimensions and weight of an object |
| 03/06/1991 | EP0415579A1 Touch probe |
| 03/06/1991 | EP0415405A2 Device for obtaining distance information from an object by instantaneously illuminating the object by a light beam |
| 03/06/1991 | EP0414829A1 A device for the simultaneous contactless testing of a plurality of points on a test sample and its application. |
| 03/06/1991 | CN2072672U Vancometer |
| 03/06/1991 | CA2066422A1 Method for aligning an articulated beam delivery device, such as a robot |
| 03/05/1991 | WO1991003756A1 Remote end detection |
| 03/05/1991 | US4998021 Method of detecting an end point of surface treatment |
| 03/05/1991 | US4998019 Photoemission contaminant detector |
| 03/05/1991 | US4998005 Machine vision system |
| 03/05/1991 | US4997283 Vehicle straightener measuring unit, measuring apparatus reliant on reflected beams, and source, targets and method |
| 03/05/1991 | US4997077 Method and apparatus for the positioning of slabs |
| 03/05/1991 | US4996884 Light waveguide sensor for small pulling or pressing forces |
| 03/03/1991 | CA2024152A1 Method of and an apparatus for testing large area panes for optical quality |
| 02/28/1991 | DE3927575A1 Ascertaining crystallographic orientation of semiconductor wafer - determining deflection of reflected light beam at both natural split planes in horizontal and vertical directions |
| 02/27/1991 | EP0414614A1 Procedure and apparatus for the geometrical characterization of transparent tubes |
| 02/27/1991 | EP0414486A2 Method of and apparatus for measuring small gaps |
| 02/27/1991 | EP0413943A1 Non-contact on-line determination of phosphate layer thickness and composition of a phosphate coated surface |
| 02/27/1991 | CN1011821B Relative-rotating angle-measuring method using long raster set |
| 02/27/1991 | CN1011820B On-line optical measurement method for dimensions of hot object |
| 02/26/1991 | US4996440 Device for measuring dimensions |
| 02/26/1991 | US4996415 Apparatus for detecting the presence and position of an object |
| 02/26/1991 | US4995726 Surface profile measuring device utilizing optical heterodyne interference |
| 02/26/1991 | US4995267 Method of monitoring the state of elongated object and apparatus for performing this method |
| 02/26/1991 | US4995169 Device for indicating angular position |
| 02/21/1991 | WO1991002221A1 Fibre optic sensor device |
| 02/21/1991 | WO1991002215A1 Viewing system for surface profiler |
| 02/21/1991 | WO1991001849A1 Noncontact profile control unit |
| 02/21/1991 | DE3927269A1 Scale making, calibration and position measurement - by measuring distances of randomly distributed pattern elements from null marker |
| 02/20/1991 | EP0413349A2 Wire bonding inspecting apparatus |
| 02/20/1991 | EP0235184B1 Device for determining and monitoring changes in the position of shafts |
| 02/20/1991 | CN1049410A Projective type measuring instrument for measuring clearance of die set and working theory |
| 02/19/1991 | US4994990 Micro-dimensional measurement apparatus |
| 02/19/1991 | US4994680 Photoelectric measurement head for monitoring a plastic extruded section |
| 02/19/1991 | US4994677 Method for positioning an object relative to a plane and measuring length and apparatus for implementing same |
| 02/19/1991 | US4993837 Method and apparatus for pattern detection |
| 02/19/1991 | US4993836 Method and apparatus for measuring form of three-dimensional objects |
| 02/19/1991 | US4993835 Apparatus for detecting three-dimensional configuration of object employing optical cutting method |
| 02/19/1991 | US4993830 Depth and distance measuring system |
| 02/19/1991 | US4993826 Topography measuring apparatus |
| 02/14/1991 | DE4024258A1 Dynamic imbalance elimination for motor rotor - applying balancing elements according to measured imbalance, hardening them and measuring protrusion |
| 02/14/1991 | DE4000201A1 Workpiece e.g. cylinder measuring method - detecting light scattered by parts with anticipated changes of shape or size |
| 02/13/1991 | EP0412728A2 Interferometric method and apparatus for controlling film thickness |
| 02/13/1991 | EP0412719A1 Road surface sensing system for a vehicle |
| 02/12/1991 | US4992666 Measurement of concentricity of core and cladding profiles of an optical fiber preform using fluorescence |
| 02/12/1991 | US4991971 Fiber optic scatterometer for measuring optical surface roughness |
| 02/12/1991 | US4991969 Method for measuring film thickness |
| 02/12/1991 | US4991968 Three dimensional object surface determination with automatic sensor control |
| 02/12/1991 | US4991967 Scratch depth measuring instrument and method |
| 02/12/1991 | US4991966 Optical positioning method and system |
| 02/12/1991 | US4991965 Electro-optic device for continuously monitoring the relative positions of two machines or parts thereof |
| 02/12/1991 | US4991964 Laser stress measurement apparatus and method |
| 02/12/1991 | US4991445 Apparatus for measuring the deformation of an object subjected to stresses |
| 02/12/1991 | US4991308 Diameter gauge |
| 02/07/1991 | DE4016796A1 Three=dimensional coordinates measurer for pair of stereo images - has stereo observation optics for images on carriers slidable in parallel by rail |
| 02/07/1991 | DE3925588A1 Measuring contours of bodies, esp. rotary cutting tools - rotating body until camera shows greatest dimension and corresp. rotation angle |
| 02/06/1991 | EP0411889A2 Method and apparatus for measuring and inspecting articles of manufacture |
| 02/06/1991 | CN1049046A Method of measuring joint gaps and restoring same |
| 02/06/1991 | CN1011543B Device for measuring dynamic parameters in membrane phase-separating |
| 02/06/1991 | CN1011542B Length measuring instrument for plant root system |
| 02/06/1991 | CN1011541B Six-contact type high-precision planeness-measuring method and its apparatus |
| 02/05/1991 | US4991162 Testing apparatus and method for optical data storage medium |
| 02/05/1991 | US4989984 System for measuring optical characteristics of curved surfaces |
| 02/05/1991 | US4989981 Automatic quality control measuring system for automotive assembly line or the like |
| 02/05/1991 | US4989980 Method and apparatus for measuring coefficient of thermal expansion |
| 02/05/1991 | US4989970 Non-contact sensing apparatus and method for temperature profile and thickness determination and control of radiation translucent materials |
| 01/31/1991 | DE4023236A1 Measuring position of workpiece edges by forming diffraction image - using gap formed between workpiece edge and known position reference edge |
| 01/31/1991 | DE3939211A1 Evaluating CCD line signals in dimension measurement systems - differentiating video signals in arrangement which detects whether connected to 1 or 2 CCD lines |
| 01/31/1991 | DE3924290A1 Optical distance measurement arrangement with Fourier system - has position sensitive correction detector in correction arm of beam divider for correction of aperture intensity distribution errors |
| 01/31/1991 | DE3923825A1 Testing presence of lubricant film between moving parts - by addn. of agents which absorb, emit or reflect radiation and measuring changes |
| 01/30/1991 | EP0410802A2 Position detecting method |
| 01/30/1991 | EP0410634A2 Improved resolution confocal microscope, and device fabrication method using same |
| 01/30/1991 | EP0410542A2 Moveable equipment for the verification of corrected surfaces or in the process of correction |
| 01/30/1991 | EP0410321A2 Method and apparatus for the automatic measurement of diameters and lenghts of solids of revolution |
| 01/30/1991 | EP0410187A1 Measuring a gap between a tube and a float |
| 01/30/1991 | EP0409875A1 Method and sensor for opto-electronic angle measurements. |
| 01/30/1991 | EP0250581B1 Self-aligning phase conjugate laser |
| 01/29/1991 | US4989164 Process and device for determining the camber of a sheet |