Patents for G01B 11 - Measuring arrangements characterised by the use of optical means (73,862)
11/1991
11/05/1991US5063300 Method and apparatus for determining line centers in a microminiature element
10/1991
10/31/1991WO1991016602A1 Improvements relating to optical measuring systems
10/31/1991WO1991016601A1 Apparatus and method for measuring surface characteristics
10/31/1991WO1991016600A1 Ellipsometer
10/31/1991DE4013211A1 Ellipsometer Ellipsometer
10/30/1991EP0454604A2 Laser ablation for plasma etching endpoint detection
10/30/1991EP0454389A2 Method and apparatus for measuring the diameter of a silicon single crystal
10/30/1991EP0453977A2 Method and process for optical inspection of test objects
10/30/1991EP0453946A2 Method of focusing optical head on object body and optical inspection system comprising an automatic focusing device
10/30/1991EP0453880A2 Method for optically inspecting of test objects
10/30/1991EP0453778A2 Angle measuring device
10/30/1991EP0453733A1 Detecting method and detector used for the three dimensional tracking of the focus of a high energy laser
10/30/1991EP0453455A1 Process and sewing machine for stitching two pieces of fabric together along the same length
10/30/1991EP0312592B1 Device for measuring the depth of the gingival troughs in case of paradontopathy
10/30/1991CN1055813A Measurer for magnetic disc surface parameter
10/30/1991CN1055812A One dimension spherical column surveying method for 21 items of mechanism error of three coordinate surveying machine, its surveying equipment and the equipment self checking method
10/29/1991US5061932 Road surface sensing system for a vehicle
10/29/1991US5061860 Deformation measuring method and device using comb-type photosensitive element array
10/29/1991US5061072 Differential ellipsometer
10/29/1991US5061071 Method and apparatus for detecting surface condition by utilizing optical heterodyne interference
10/29/1991US5061062 Focus spot size controller for a variable depth range camera
10/29/1991US5060735 Device for positioning of a drill bit
10/27/1991WO1991016599A1 System for measuring length of sheet
10/26/1991WO1991016598A1 Device for determination of the topography of a surface
10/26/1991CA2081111A1 Device for determination of the topography of a surface
10/24/1991WO1991016597A1 Interferometry systems and methods
10/24/1991CA2080023A1 Interferometry systems and methods
10/23/1991EP0453433A2 Automatic control process of the quality of a car body component
10/23/1991EP0453417A1 A method and a device for checking fixtures used in machines or stations in production lines or installations
10/23/1991EP0452975A2 A receiver for a laser alignment system with modulated field
10/23/1991EP0452974A2 Laser alignement system with modulated field
10/23/1991EP0452905A1 Method and apparatus for inspecting surface pattern of object
10/23/1991EP0452665A2 Device and scanning method for measuring the thickness of opaque or transparent coatings of any type using a laser
10/23/1991EP0452398A1 Method and system for automatically determining the position and orientation of an object in 3-d space.
10/22/1991US5060281 Method and apparatus for detecting disparity of cyclic length of printed patterns
10/22/1991US5060276 Technique for object orientation detection using a feed-forward neural network
10/22/1991US5060065 Apparatus and method for illuminating a printed circuit board for inspection
10/22/1991US5059808 Alignment method for patterning
10/22/1991US5059789 Optical position and orientation sensor
10/22/1991US5059031 High-speed optical testing of objects
10/22/1991US5059022 Device for measuring radius of curvature and a method thereof
10/22/1991US5058690 Rock working tool
10/17/1991WO1991015733A1 Process for calibrating a thickness tester and thickness tester for measuring the thickness of or monitoring coatings, strips, films or the like
10/17/1991WO1991015732A1 Real time three dimensional sensing system
10/17/1991WO1991015731A1 Process and device for measuring and/or checking the contours or edges of workpieces
10/17/1991DE4011717A1 Verfahren zum kalibrieren einer dickenmesseinrichtung und dickenmesseinrichtung zur dickenmessung bzw. ueberwachung von schichtdicken, baendern, folien o. dgl. A method for calibrating a dick-measuring device and dick-measuring device for thickness measurement and frequency monitoring of layer thicknesses, strips, foils o. The like.
10/17/1991DE4006365A1 Position measuring device used as distance sensor - uses retroreflection to provide interfering light beams providing phase shift proportional to relative spacing
10/16/1991EP0452138A2 Apparatus and method for automatically aligning a welding device for butt welding workpieces
10/16/1991EP0451475A2 Integrated optical sensor arrangement
10/16/1991EP0451474A2 Procedure and device to measure without contact the surface contours of an object
10/16/1991EP0451465A2 Opto-electrical position measuring device
10/16/1991EP0318566B1 Optical scanning head
10/15/1991US5058178 Method and apparatus for inspection of specular, three-dimensional features
10/15/1991US5058119 Laser measuring apparatus
10/15/1991US5056923 Optical thickness measuring apparatus
10/15/1991US5056922 Method and apparatus for monitoring the surface profile of a moving workpiece
10/15/1991US5056921 Optical apparatus for use with inteferometric measuring devices
10/15/1991US5056917 Lithotripter reflector inspection
10/15/1991US5056914 Charge integration range detector
10/15/1991US5056233 Method and apparatus for measuring cross-toe
10/15/1991US5056231 Apparatus for locking wheel unit in automotive wheel alignment system
10/15/1991CA1290589C Sensing strain and temperature
10/10/1991DE4030946A1 Converting sinusoidal sensor signals of position measurement system - using offset scale division sensing with synchronised switches in alternate groups
10/10/1991DE4011407A1 Quantitative absolute measurer for three=dimensional coordinates - contains projector of test pattern, sensor and displacement device for surface evaluation of test object
10/09/1991EP0450502A1 Method of diameter measurement used in automatically controlled crystal growth
10/09/1991EP0449859A1 Process and device for observing moire patterns on test surfaces by moireing with phase shifts.
10/09/1991CN1055237A Dynamic measurement and measuring system for kinematical parameters of swinging bodies
10/08/1991US5054991 Wafer positioning apparatus
10/08/1991US5054929 Optical alignment method using arbitrary geometric figures
10/08/1991US5054928 System for compensating antenna membrane deflection
10/08/1991US5054927 Apparatus and method for determining the thickness of insulated glass
10/08/1991US5054926 Distance measuring device
10/08/1991US5054918 Light scanning system for measurement of orientation and physical features of a workpiece
10/08/1991US5054911 Light wave distance measuring instrument of the pulse type
10/08/1991US5054907 Ophthalmic diagnostic apparatus and method
10/08/1991US5054345 Method of obtaining constant weight portions or slices of sliced food products
10/08/1991US5054317 Device for monitoring and/or measuring parameters of a running, thread-like or wire-like test material and method for operating the device
10/03/1991WO1991014922A1 Process and arrangement for verifying the parallelism of axes of bodies
10/02/1991EP0449642A1 Web caliper measuring system
10/02/1991EP0448982A1 Position measuring device
10/02/1991EP0448918A1 Method for checking the surface geometry of an object, particularly an embossed object
10/02/1991DE4109938A1 Surface defect detector for flat or cylindrical objects - has separator optically dividing two photoreceivers intercepting reflected light originating from laser beam generator
10/02/1991DE4013283C1 Scanning surface by projecting modulation pattern - observing surface by optics via second modulation pattern at angle to direction of projection
10/01/1991US5054087 Process and apparatus for optically checking perforations in hollow articles such as turbine blades
10/01/1991US5053187 Apparatus for positioning a mast for the inspection and/or repair of a core shroud of a water-cooled nuclear reactor
10/01/1991US5052807 Three dimensional moire pattern alignment
10/01/1991US5052800 Boresighting method and apparatus
09/1991
09/26/1991DE4011780C1 Scanning surface by projection of modulation pattern - ascertaining coordinates by observing at angle to projection direction line pattern produced when second modulation pattern is projected
09/26/1991DE4009146A1 Verfahren und anordnung zum pruefen der ausrichtung von koerperachsen auf parallelitaet Method and arrangement for testing the alignment of koerperachsen parallelism
09/25/1991EP0447775A1 Procedure and equipment for testing the surface of moving objects
09/25/1991EP0447739A1 A method and a device for the objective evaluation of the crushing of pile fabrics, particularly velvets for covering motor vehicle seats
09/25/1991EP0447713A2 Position detector
09/25/1991EP0447505A1 System for measuring the relaxed length of a moving web
09/25/1991EP0447475A1 Optoelectronic sensing device.
09/25/1991CN1014091B Laser scanning roughness measuring method and tester
09/24/1991US5051825 Dual image video inspection apparatus
09/24/1991US5051575 Optical surface roughness measuring apparatus using double-focus lens for producing parallel and converged beams for measurement
09/24/1991US5051574 Optical coordinate detection apparatus
09/24/1991US5050424 Telecoordinometer
09/19/1991WO1991014169A1 Electro-optical methods and apparatus for high speed, multivariate measurement of individual entities in fiber or other samples