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)
06/1981
06/23/1981US4274739 Apparatus for monitoring operational status and diagnosis of electronic vehicle wheel alignment equipment
06/23/1981US4274738 Rotary body run-out remote sensing method and apparatus especially applicable to vehicle wheel aligners
06/23/1981US4274735 Distance measuring device
06/23/1981CA1103497A1 Optical inspection system employing spherical mirror
06/17/1981EP0030477A1 Optical position transducer
06/16/1981US4273468 Tunnelling shields and like moveable apparatus
06/16/1981US4273447 Pivotable mount for scanning unit
06/16/1981US4273446 Light spot position sensor for a wavefront sampling system
06/16/1981US4272868 Device for obtaining a control signal corresponding to the density of the fibre web lying on a fibre-carrying element of a card
06/16/1981CA1103018A1 Optical measuring apparatus
06/10/1981EP0029881A1 Pull-through device to measure the flexion of the inside wall of a tube
06/09/1981US4272196 Optical sizing mask and process
06/09/1981US4272191 Device for indicating a particular angle in pipelaying work or similar operations
06/03/1981EP0029748A1 Optical measuring system
06/02/1981US4271477 Determining the dimensions of workpieces
06/02/1981US4270274 Animal fat indicator
06/02/1981CA1102428A1 Object position and surface determining methods and apparatus
05/1981
05/28/1981WO1981001460A1 Device for measuring the height of pressed folding-lines on a carton
05/27/1981EP0029036A1 Process and installation for the measuring of an object without handling it
05/26/1981US4270050 Apparatus for measuring pressure by absorption spectrum change
05/26/1981US4270048 Apparatus for determining the angle of incident electromagnetic radiation
05/26/1981US4269515 Electro-optical system for inspecting printed circuit boards
05/26/1981US4269514 Non-contact scanning gage
05/26/1981US4269513 Arrangement for sensing the surface of an object independent of the reflectance characteristics of the surface
05/26/1981US4269512 Electro-optical position-monitoring apparatus with tracking detector
05/26/1981CA1102001A1 Method and apparatus for pattern examination
05/13/1981EP0028509A1 Indicator for measuring thickness
05/12/1981US4266875 Method and device for contact-free interval or thickness measurement by control of the direction of a light ray beam
05/12/1981US4266874 Apparatus and method for measuring the size of fibers
05/06/1981EP0027822A1 Laser altimeter and probe height sensor
05/05/1981US4265537 Vehicle wheel alignment diagnosing apparatus
05/05/1981US4265025 Inspection probe
05/05/1981US4265023 Turbine blade growth measuring apparatus and method
04/1981
04/29/1981EP0027774A1 Long stroke, high resolution optical position sensor
04/29/1981EP0027763A1 Process and apparatus for measuring distance by laser interferometry with two wavelengths
04/28/1981US4264822 Electron beam testing method and apparatus of mask
04/28/1981US4264211 Light sensor
04/28/1981US4264208 Method and apparatus for measuring the surface of an object
04/28/1981US4263810 Angular deflection sensing apparatus for load, force, and other types of measurements
04/28/1981CA1099912A1 Electronic measuring tape
04/22/1981EP0027120A1 Optoelectric equipment for measuring and detection
04/16/1981WO1981001047A1 Vehicle wheel alignment apparatus
04/14/1981US4262208 Photo-electrical detecting apparatus
04/14/1981US4261107 Coordinate locating device
04/14/1981US4261106 Method of manufacturing a linear digital scale
04/07/1981US4260260 Process for checking the dimension of a part
04/07/1981US4260259 Metal etch rate analyzer
04/07/1981US4260254 Compact boresight tester for laser designators
04/07/1981US4260253 Precision celestial pole locator
04/07/1981CA1098987A1 Film thickness detector
04/07/1981CA1098732A1 Method and apparatus for providing runout compensation
04/02/1981WO1981000909A1 Vehicle wheel alignment apparatus
03/1981
03/31/1981US4259591 Area measuring machine
03/31/1981US4259590 Area measuring machine
03/31/1981US4259589 Generation of contiguous data files of three-dimensional information
03/31/1981US4259018 Optical track gage measuring device
03/31/1981US4259017 Methods for use in definition of object surfaces
03/31/1981US4259016 Interferometer with a single-mode waveguide coil
03/25/1981EP0025724A1 Method of making measurements on an object by means of a movable probe
03/25/1981EP0025695A2 Instrument for measuring or marking out the distance of a point from a basic plane or line
03/25/1981EP0025566A2 Optical device for measuring small pressure differences by means of light intensity changes
03/25/1981EP0025565A2 Optical device for measuring pressure differences by means of light intensity changes
03/25/1981EP0025564A2 Optical device for measuring small pressure differences by means of light intensity changes
03/24/1981US4257164 Optical protractor
03/24/1981CA1098209A1 Apparatus and method for parts inspection
03/17/1981US4256968 Area measuring machine
03/17/1981US4255966 Hardness testing apparatus
03/17/1981US4255862 Configured contour measuring apparatus
03/17/1981US4255861 Electrically digital display micrometer
03/17/1981CA1097500A1 Angle measuring apparatus
03/11/1981EP0024969A1 Measuring machine and method of producing displacement-indicative signals in such a machine
03/11/1981EP0024953A2 Signal processing system
03/10/1981US4255055 Surface inspection system for detecting flatness of planar sheet materials
03/05/1981WO1981000618A1 Fiber optic strain sensor
03/03/1981US4254337 Infrared interference type film thickness measuring method and instrument therefor
03/03/1981US4254331 Calibration circuit for fiber optic proximity instrument
03/03/1981US4253240 Measurement apparatus for interrupted surfaces
03/03/1981CA1096959A1 Apparatus for detecting foreign bodies in glass bottles
03/03/1981CA1096955A1 Automatic measurement of lengths of elongated workpieces
02/1981
02/24/1981US4252442 Adjusting method and apparatus for positioning planar components
02/24/1981CA1096210A1 Method and means for aligning focusing mirrors in an optical spectrometer
02/11/1981EP0023643A1 Method of and apparatus for contactless photoelectric measuring of extension processes
02/11/1981EP0023577A1 Surface stress measurement
02/11/1981EP0023574A1 Opto-electronic system for automatically testing the quality of printed-circuit boards, their intermediate products and printing tools
02/10/1981US4250381 Linear scale type measuring device
02/10/1981US4250378 Photoelectric joystick
02/10/1981US4249824 Apparatus for measuring wheel alignment of motor vehicles
02/10/1981US4249823 Windscreen angular deviation measurement device
02/10/1981US4249294 Optical pulley alignment tool
02/10/1981CA1095296A1 Method of utilizing interferometric information from two different holograms exposed with short interval
02/10/1981CA1095295A1 Rotationally independent optical correlation for position determination
02/03/1981US4248537 Optical apparatus for determining the light exit angle from a material strip illuminated by a light bead
01/1981
01/27/1981US4247768 Vehicle velocity related measuring systems
01/27/1981US4247767 Touch sensitive computer input device
01/27/1981US4247764 Fiber optic proximity instrument having automatic surface reflectivity compensation
01/27/1981US4247203 Automatic photomask inspection system and apparatus
01/27/1981US4246940 Veneer lathe charging apparatus and method for determining log spin axis
01/20/1981US4246476 Automatic focusing apparatus for use with a plurality of lenses
01/20/1981US4246098 Method and apparatus for detecting blemishes on the surface of an article
01/20/1981US4245913 Scanning and detecting device
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