Patents
Sitemap › G01 - Measuring; Testing › G01B - Measuring length, thickness or similar linear dimensions; Measuring angles; Measuring areas; Measuring irregularities of surfaces or contours › G01B 11 - Measuring arrangements characterised by the use of optical means
Patents for G01B 11 - Measuring arrangements characterised by the use of optical means (73,862)
12/1991
12/24/1991US5075560 Moire distance measurements using a grating printed on or attached to a surface
12/24/1991US5075559 Method for measuring the thickness of a light-reflective layer on a light-translucent substrate
12/24/1991US5075534 Arc sensor provided with a transparent objective window having a contamination preventing construction
12/24/1991US5074668 Optical scanner
12/24/1991US5074661 Methods and apparatus for retroreflective surface inspection and distortion measurement
12/19/1991DE4019405A1 Optical scanning head for measuring micro-contour of workpiece surface - has lens magnetically controlled to image laser on surface and image reflected light on CCD transducer plate
12/19/1991DE4019214A1 Distance measurement between object and moving device - is e.g. for automatic vehicle control, by using video imaging of two points at fixed distance apart on object
12/18/1991EP0461780A2 Infrared holographic defect detector
12/18/1991EP0461628A1 Rail vehicle for measuring geometric parameters of the track
12/18/1991EP0461424A2 Device to optically detect a coating
12/18/1991EP0461254A1 Composite color illumination method and band light illumination in a double-focus detector utilizing chromatic aberration
12/18/1991EP0461119A1 Device for interferometric measurement of surface structures
12/18/1991EP0455627A4 Apparatus and method for determining stress and strain in pipes, pressure vessels, structural members and other deformable bodies
12/18/1991CA2019195A1 Method of measuring using a laser
12/17/1991US5073027 Fiber optic displacement measuring apparatus
12/17/1991CA1293313C Optical type displacement measuring apparatus
12/17/1991CA1293232C Systems and methods for illuminating objects for vision systems
12/12/1991WO1991019169A1 Laser detector
12/12/1991WO1991019163A1 An optical reflection detector
12/12/1991WO1991019057A1 Improvements in embankment reinforcing structures
12/12/1991WO1991019025A1 Process for the measurement of the thickness and refractive index of a thin film on a substrate, and a device for carrying out the process
12/12/1991DE4018379A1 Continuously determining actual path length in optical fibre - deriving measurement signal as function of phase difference between modulation and photodiode signals
12/12/1991DE4018333A1 Automatic detection of edges of hardness measurement impressions - involves maximum contrast illumination video imaging and evaluation by threshold comparison, then differentiation of contour pulses
12/12/1991DE4017935A1 Micro-ellipse-profilometry - involves polarising divider, lambda quarter plate, electro=optical modulator, lens and photodetector arrangement
12/12/1991CA2042092A1 Infrared holographic defect detector
12/11/1991EP0460699A1 Yarn storage and delivery device
12/11/1991EP0460471A2 Method and apparatus for measuring cross-toe
12/11/1991EP0460470A2 Angle sensor with CCD
12/11/1991EP0460209A1 Ophthalmic diagnostic apparatus and method
12/11/1991EP0324757B1 Process for extending the resolution of a line or matrix camera
12/11/1991CN1056930A Process for measuring on line length by laser microcomputer and deivce thereof
12/10/1991US5072121 Body contour determining apparatus for a rotating gamma camera
12/10/1991CA1293051C Apparatus for examining objects
12/05/1991DE4017299A1 Distortion-free scanning of surfaces - transforming scan coordinates of surface from central projection to parallel projection
12/04/1991EP0459586A1 Device for optically determining the position and orientation of an object, and optical recording and/or reproducing apparatus provided with such a device
12/04/1991EP0459418A2 Gap measuring device and gap measuring method
12/04/1991EP0458983A1 Noncontact profile controller
12/04/1991EP0352291A4 Motion sensor
12/03/1991US5070401 Video measurement system with automatic calibration and distortion correction
12/03/1991US5070237 Optical measurement and detection system
12/03/1991US5069550 Optical measuring machine with detachable operating board
12/03/1991US5069549 Imaging devise
12/03/1991US5069548 Field shift moire system
12/03/1991US5069528 Remote optical alignment method
12/03/1991CA1292803C Film thickness measuring device
12/01/1991WO1991019165A1 Remote tracking system particularly for moving picture cameras and method
11/1991
11/28/1991WO1991018412A1 Process and device for monitoring and controlling etching operations
11/28/1991WO1991018261A1 Apparatus and method for measuring length of long moving object
11/28/1991WO1991018259A1 X-ray lithography alignment system
11/28/1991WO1991018258A1 Method of tridimensional measuring, reference scale and self-illuminating reference scale for tridimensional measuring
11/28/1991WO1991017708A1 Foot measurement and footwear sizing system
11/28/1991DE4016441A1 Arrangement for measuring machined structures, e.g. gears and threads - uses measurement head replacing machining tool and processing of position measurement signals
11/28/1991DE4016362A1 Optical grid, esp. for three=dimensional object measurement - contains pattern with binary optical density distribution projected via defocussed lens
11/28/1991CA2051701A1 Apparatus and method for measuring length of moving elongated object
11/27/1991EP0458752A2 Method for measuring the angle of incidence of a light beam, measuring device for carrying out the method, and distance measuring device utilising same
11/27/1991EP0458473A1 Surface mount machine
11/27/1991EP0458283A1 Distance information obtaining device
11/27/1991EP0458168A2 Three dimensional color imaging
11/27/1991EP0457843A1 Method and apparatus for measuring registration between layers of a semiconductor wafer.
11/27/1991CN2089613U Large measuring range linear displacement grating digit display measuring instrument
11/27/1991CN1056574A 3-d underwater optical measurer with laser difference-frequency scanning
11/26/1991US5068588 Apparatus for mounting a flat package type ic
11/26/1991US5068541 Surface roughness measuring method and apparatus utilizing truncated conical lens and objective lens
11/26/1991US5067817 Method and device for noncontacting self-referencing measurement of surface curvature and profile
11/26/1991US5067816 Optical encoder
11/26/1991US5067815 Optical sensor with intermodal interferometry
11/26/1991US5067282 Method and apparatus for non-contact measuring and, in case, abrasive working of surfaces
11/24/1991CA2017518A1 Colour-range imaging
11/21/1991EP0457384A1 Apparatus for carrying mobile means of inspection in the interior of a tubular body
11/21/1991EP0456819A1 Device for photogrammetrically surveying an object.
11/21/1991DE4112164A1 Automatic focussing for coordinate measurement equipment - detecting photoelectrical structure value using relative maximum formation of sensor difference signal
11/21/1991DE4016211A1 Verfahren zur ueberwachung und steuerung eines aetzvorgangs und vorrichtung hierfuer Method for monitoring and controlling of etching and device for here
11/21/1991DE4015476A1 Surface optical examination system for automobile parts - sends beam from source to surface concerned, from there to mirror, back to surface and then through lenses to produce image on receiver
11/19/1991WO1991018278A1 Method and apparatus for determining the image clarity of a surface
11/19/1991US5067085 Optical robotic canopy polishing system
11/19/1991US5067012 Methods and systems for scanning and inspecting images
11/19/1991US5066129 Optical linear encoder with light quantity calabration
11/19/1991US5066119 Optical device for phase detection testing optical systems, especially ophthalmic lenses
11/19/1991US5065526 Probing device for a coordinate measuring apparatus
11/15/1991WO1991018236A2 Internal pipe inspection system
11/13/1991EP0456370A2 Method and apparatus for controlling the diameter of a silicon single crystal
11/13/1991EP0456276A1 Coordinate measuring apparatus
11/13/1991EP0456217A2 Optical inspection apparatus and illumination system particularly useful therein
11/13/1991EP0455823A1 Metallic container equipped with hologram or diffraction grating
11/13/1991EP0455627A1 Apparatus and method for determining stress and strain in pipes, pressure vessels, structural members and other deformable bodies
11/13/1991EP0333812B1 Device for continuously determining a condition indication of the surface of a crepe paper web in motion
11/13/1991EP0247184A4 Displacement measuring apparatus
11/13/1991CN2088684U Laser automatic measuring instrument for forging pieces dimension
11/13/1991CN1056165A Method and apparatus for measuring diameter of silicon single crystal
11/13/1991CN1056164A Optical offset surveying instrument for railway curve
11/13/1991CN1056138A Method and apparatus for controlling diameter of silicon single crystal
11/12/1991WO1991017676A1 System of imaging, cataloging, and overlaying feet and footwear
11/12/1991US5065443 Image processor with illumination variation compensation
11/12/1991US5065331 Apparatus and method for determining the stress and strain in pipes, pressure vessels, structural members and other deformable bodies
11/12/1991US5064313 Embankment reinforcing structures
11/12/1991US5064286 Optical alignment system utilizing alignment spot produced by image inverter
11/12/1991CA1292048C Hole centration gage
11/12/1991CA1291887C Device for protecting optical means from contaminated gases
11/07/1991DE4013566A1 Photoelectric angle-measuring device esp. for machine tool
11/06/1991EP0454975A2 Position and motion detector
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