Patents for G01B 11 - Measuring arrangements characterised by the use of optical means (73,862)
06/1991
06/20/1991DE3940518A1 Illumination control for optical distance meter - measures intensity distribution along section line, enables optimal illumination
06/20/1991CA2032349A1 Surface inspection apparatus for substances
06/19/1991EP0433013A2 Methods of inputting three-dimensional configuration data
06/19/1991CN1052369A Multi-way reused laser frequency modulation heterodyne interfere optical fiber measuring instrument
06/18/1991US5025297 Semiconductor light beam position sensor element and a position sensor and a picture image input device each using the same
06/18/1991US5025285 Apparatus and method for shadow moire mapping
06/18/1991US5025168 Alignment apparatus including three beams and three gratings
06/18/1991US5025147 Laser light
06/18/1991US5024853 Method to control the thickness of an antireflection coating and implementation installation
06/18/1991US5024529 Method and system for high-speed, high-resolution, 3-D imaging of an object at a vision station
06/18/1991US5024527 Method and apparatus for remote position sensing using edge diffraction
06/18/1991CA1284875C Method for detecting dripping droplet
06/13/1991WO1991008525A1 Metallic container equipped with hologram or diffraction grating
06/13/1991WO1991008438A1 A stacking method and equipment for measuring the timber volume and other dimensions of a stack of logs
06/13/1991WO1991006845A3 Coplanarity inspection machine
06/13/1991WO1991005901A3 Process and device for detecting the edge of a workpiece
06/13/1991DE4039518A1 Inspecting of balls, e.g. small ball bearings - using laser light scanning, image formation and evaluation of rotated bearings for automatic inspection and classification
06/12/1991EP0430961A1 Apparatus and method of determining a person's body density or fat level
06/12/1991CN2078867U Micro-amplification optical-measuring instrument for miniature precision parts
06/11/1991US5023845 Embedded fiber optic beam displacement sensor
06/11/1991US5023714 Methods and systems for scanning and inspecting images
06/11/1991US5023446 Apparatus for measuring distances with a measuring element operating on an optical basis
06/11/1991US5023188 Method of determining the depth of trenches formed in a semiconductor wafer
06/11/1991CA1284834C Laser probe
06/06/1991WO1991008439A1 Process and arrangement for optoelectronic measurement of objects
06/06/1991DE4037273A1 Arrangement for object photogrammetric measurement - has sensors and camera with positioning no adversely affected by reference pattern image formation
06/06/1991DE3939905A1 Angular position sensor - has mirror or object deflecting light beam to annular sensor
06/06/1991DE3939877A1 Foil thickness-thermal property contactless measurer - has deflector ensuring opposite directions of heating radiation from measurement object
06/06/1991DE3939876A1 Foil thickness-thermal property contactless measurement device - has head connected to heat source and thermal radiation receiver via optical conductors
06/06/1991DE3939811A1 High resolution observation of moire patterns for static measurement - uses sensor array of camera as image transducer, image storage and/or computer processing
06/06/1991CA2070822A1 Process and arrangement for optoelectronic measuring of objects
06/05/1991EP0429773A1 Atomic photo-absorption force microscope
06/05/1991EP0429616A1 Optical robotic canopy polishing system
06/05/1991EP0429520A1 Orientating optical fibres.
06/05/1991EP0429514A1 Optoelectronic measurement arrangement.
06/05/1991EP0298080B1 Method and apparatus for monitoring surface layer growth
06/05/1991CN1051975A Non-contaction survey instrument with three dimension surface shape
06/04/1991US5021675 Photoelectric mensuration device and method for determining PDC cutter wear
06/04/1991US5021674 Process for determining the location of edges and photoelectronic scanning device for scanning edges
06/04/1991US5020907 Axis offset measuring device
06/04/1991US5020904 Dynamic laser speckle profilometer and method
06/04/1991US5020379 Microbend fiber optic strain gauge
06/04/1991US5020236 Method of measuring the distance between the axles or wheels of a vehicle, and device for doing so
05/1991
05/30/1991WO1991007653A1 A method and apparatus for detecting bark and for determining the degree of barking on wood and chips
05/30/1991CA2068650A1 Method and apparatus for detecting bark and for determining the degree of barking on wood and chips
05/29/1991EP0429047A2 Automatic measuring device for measuring the amount of wax, oil and other substances applied on the surface of a workpiece
05/29/1991EP0428903A2 Method and equipment to check and regulate the positioning of metallic backing strands into rubber sheets specifically for the construction of tires
05/29/1991DE4036745A1 Optical scanner e.g. detecting crack in glass bottle
05/29/1991DE3938714A1 Optical determination of object shapes, shape variations - using structured coloured light projected onto objects for high resolution, dynamic measurement
05/28/1991US5018865 Photon scanning tunneling microscopy
05/28/1991US5018863 Apparatus for analysis by ellipsometry, procedure for ellipsometric analysis of a sample and application to the measurement of variations in the thickness of thin films
05/28/1991US5018861 Methods and means for full-surface interferometric testing of grazing incidence mirrors
05/28/1991US5018854 Three dimensional imaging device
05/28/1991US5018853 Measuring angular relationship of wheels of a vehicle
05/28/1991US5018280 Method and device for the operation of a workpiece-contacting probe head of the switching type
05/23/1991DE3938046A1 Arrangement for detecting and recording structure of objects - using source focused light producing light spot on object detector, recording medium for path of scanner-detector
05/22/1991EP0428082A2 A 3-dimensional configuration recognition system
05/22/1991CN1012653B On-line optical measurement method for dimensions of hot object
05/21/1991US5017796 Moving blade tip clearance measurement apparatus and method with moveable lens
05/21/1991US5017013 Method of determining the position of a reference point of a scanner relative to an incremental scale as well as a reference point communicator
05/21/1991US5017012 Viewing system for surface profiler
05/21/1991US5017011 Assembly and method for monitoring the alignment of a workpiece
05/16/1991WO1991006845A2 Coplanarity inspection machine
05/16/1991WO1991006827A1 Image analysis
05/16/1991WO1991006826A1 Calibration of measuring apparatus
05/16/1991DE4033397A1 Length-measurement appts. for plank of wood
05/15/1991EP0427692A2 A contactless measuring probe
05/15/1991EP0426882A1 Photo-electric position-measuring apparatus
05/15/1991EP0426866A1 Projection/exposure device and projection/exposure method
05/15/1991CN2077113U Rotary kiln wheel belt dynamic gap surveying device
05/14/1991US5016099 Process for determining the optical quality of flat glass or flat glass products
05/14/1991US5015867 Apparatus and methods for measuring the diameter of a moving elongated material
05/14/1991US5015096 Method and apparatus for testing optical components
05/14/1991US5014444 Probing device for a coordinate measuring apparatus
05/14/1991CA1284202C Pulse proximity detection
05/08/1991EP0426558A1 Keratometry procedure and automatic measurement and apparatus to implement said procedure
05/08/1991EP0426457A2 Apparatus and method for observing the ground contact patch of a tyre
05/08/1991EP0426287A1 Improved detection and display device
05/08/1991EP0426182A2 Automatic high speed optical inspection apparatus and method
05/08/1991EP0426166A2 Automatic high speed optical inspection system
05/08/1991EP0425943A2 Procedure to determine the geometry of a transversal cut of an object coming out of a profiling machine, in particular a longitudinal extruder object
05/08/1991EP0425595A1 Process and arrangement for automatic optical classification of plants.
05/08/1991EP0425544A1 A device for the contactless optical determination of the geometrical dimensions of an object by the shadow method
05/08/1991EP0287592B1 Spurious electromagnetic energy discriminator for electro-optical inspection systems
05/08/1991EP0149685B1 Method for automatically counting etched pits
05/08/1991DE4022733C1 Three=dimensional cavity inspection appts. - uses matrix or line camera to receive reflected light via gp. of four mirrors and deflecting mirror
05/08/1991DE3933994A1 Optische sonde zur absoluten 3-dimensionalen vermessung von einzelzaehnen und zahngruppen in der mundhoehle Optical probe for absolute 3-dimensional measurement of einzelzaehnen and dental groups in the mundhoehle
05/07/1991US5014330 Pattern position recognizing apparatus
05/07/1991US5014227 Caster and steering axis inclination measurement technique
05/07/1991US5013927 Object location apparatus
05/07/1991US5013905 Method of electro-optically inspecting cigarettes
05/07/1991US5013152 Interchangeable interferometric optical mounting elements
05/07/1991US5012574 Controlled machining of combustion chambers gears and other surfaces
05/02/1991WO1991006122A1 High resolution position sensor
05/02/1991WO1991005984A1 A method and a device for determining the longitudinal direction of wood chips and the like
05/02/1991WO1991005983A1 A method and a device for measuring the height of material pieces
05/02/1991WO1991005901A2 Process and device for detecting the edge of a workpiece
05/02/1991WO1991005520A1 Process and device for the three-dimensional optical measurement, especially of teeth in patients' buccal cavities
05/02/1991EP0425036A1 Method of matching a variable two-dimensional image of a known three-dimensional object with a desired two-dimensional image of the object, and device for carrying out the method
05/02/1991EP0425015A2 Method for continuously inspecting the transverse dimensions of an elongated object and apparatus for carrying out said method