Patents for G01B 11 - Measuring arrangements characterised by the use of optical means (73,862)
08/1980
08/20/1980EP0014626A1 Method and apparatus for continuously determining the level of the charge in a blast furnace
08/20/1980EP0014398A2 Device for the contactless measuring of thickness or distance
08/19/1980US4218623 Device for detecting displacement of an optical image
08/19/1980US4218144 Measuring instruments
08/19/1980CA1083807A1 Alignment device and method
08/12/1980US4217649 Digitizer for locating the position of a stylus point on a writing surface
08/12/1980US4217053 Apparatus and method to test workpieces for size, relative position, material integrity, and the like
08/06/1980EP0013729A1 Optical measuring device for etching rates of opaque materials
08/06/1980EP0013725A1 Remote width measurement system
08/05/1980US4215939 Glue drop detector
08/05/1980US4215938 Method and apparatus for correcting the error of a position measuring interferometer
08/05/1980US4215937 Method and apparatus for detecting optimum alignment of optical fibers in a connector arrangement
08/05/1980US4215480 Distance measuring gauge
08/05/1980CA1083244A1 Electronic comparator for process control
07/1980
07/29/1980US4214373 Grade checker
07/29/1980CA1082811A1 Diffraction pattern amplitude analysis for use in fabric inspection
07/29/1980CA1082486A1 Arrangement and photometer for measuring and controlling the thickness of optically active thin layers
07/23/1980EP0013325A2 Optical measuring arrangement for determining the distance between edge shaped structures on surfaces
07/22/1980US4213708 Graininess sensor
07/22/1980US4213707 Device for improving the accuracy of optical measuring apparatus and the like
07/22/1980US4213704 Method and apparatus for sensing the position of a writing laser beam
07/15/1980US4212541 Method and apparatus for testing a forward-moving strand
07/15/1980US4212540 Testing the divergence of a beam from a laser
07/15/1980US4212534 Device for contact-free measuring of the distance of a surface of an object from a reference plane
07/09/1980EP0013036A1 A method of optical inspection for surface defects and the use of apparatus for carrying out said method
07/08/1980US4212073 Method and system for surface contouring
07/01/1980CA1080504A1 Measurement of thin films minimizing wave interference effects
06/1980
06/24/1980US4209257 Apparatus for detecting defects in patterns
06/24/1980US4209255 Single source aiming point locator
06/24/1980US4209252 Optical probe assembly for detecting the position of an object surface and method
06/24/1980CA1080369A1 Scanning electron microscope micrometer scale and method of fabricating same
06/24/1980CA1080324A1 Electro-optical monitoring system
06/24/1980CA1079965A1 Arrangement for sensing the geometric characteristics of an object
06/24/1980CA1079955A1 Method of determining parallax effects in a stereoscopic optical system
06/17/1980US4208589 Optical scanner
06/17/1980US4207835 Arrangement and photometer for measuring and controlling the thickness of optically active thin layers
06/17/1980CA1079813A1 Arc length measurement and control by optical scanning
06/11/1980EP0011744A1 Light grid arrangement
06/11/1980EP0011723A1 Process and device for the interferometric measurement of changing film thicknesses
06/11/1980EP0011708A1 Method and device for measuring the evenness, roughness or curvature radius of an area to be measured
06/10/1980US4207594 Electronic indirect measuring system
06/10/1980US4207593 Method and apparatus for the automatic recognition and evaluation of optical crack indications on the surface of workpieces
06/10/1980US4207472 Lumber inspection and optimization system
06/10/1980US4207467 Film measuring apparatus and method
06/10/1980US4207463 Rotation angle sensor
06/10/1980US4207003 Sensing device for ink film thickness in printing presses
06/10/1980US4207002 Apparatus for detecting an output image of an optical correlation
06/10/1980US4207001 Particle size analyzer
06/10/1980US4207000 Waveguide method for determining stress at the convex surface of a body
06/10/1980CA1079059A1 Boring rig alignment apparatus and method using optical plumb line
06/03/1980US4206441 Identification apparatus
06/03/1980US4205973 Method and apparatus for measuring the volume and shape of a glass gob
06/03/1980US4205917 Method of utilizing interferometric information from two different holograms exposed with short interval
06/03/1980US4205452 Measuring set for determination of the sagittal depth and the average central curvature of gel contact lenses
05/1980
05/27/1980US4205304 Two dimensional light beam selection system
05/27/1980US4204772 Optical measuring system
05/27/1980CA1078489A1 Surface sensor
05/27/1980CA1078172A1 Method of and device for effecting contact-free measurement by optical scanning
05/20/1980US4204224 Process and apparatus for measuring the length of moving shaped articles particularly red-hot semifinished articles
05/20/1980US4203799 Method for monitoring thickness of epitaxial growth layer on substrate
05/20/1980US4203667 Covert recovery or signalling system
05/20/1980CA1077719A1 Manufacture of flat glass having controlled width and nip width
05/15/1980WO1980001002A1 Pattern inspection system
05/13/1980US4203029 Automatic object counter
05/13/1980US4202631 Apparatus for detecting defects in patterns
05/13/1980US4202630 Method of and apparatus for recording surface irregularity of object
05/13/1980US4202627 Photoelectric detecting apparatus
05/06/1980US4201476 Laser dimension gauge
05/06/1980US4201475 Device/process for contact free distance and thickness measurement
05/06/1980CA1077158A1 Apparatus for measuring the profile of a railroad tunnel
05/06/1980CA1076829A1 Optical method and apparatus for determining stress relaxation
05/06/1980CA1076793A1 Optical dimension measuring device employing an elongated focused beam
05/01/1980WO1980000873A1 Optoelectronic device for high precision dimensional measurements
04/1980
04/30/1980EP0010493A1 Optoelectronic device for high precision dimensional measurement
04/30/1980EP0010241A2 Distance sensing apparatus
04/30/1980EP0010110A1 Defect detecting device
04/29/1980US4200787 Fiber optic elevation sensing apparatus
04/29/1980US4200397 Apparatus for distinguishing between predetermined ranges of angles at which light rays leave a surface
04/29/1980US4200396 Optically testing the lateral dimensions of a pattern
04/22/1980US4199259 Detector pulse enhancement circuit
04/22/1980US4199258 Distance measuring device and method
04/22/1980US4199257 Projected reticle optical sighting system
04/22/1980US4199255 Apparatus for use in grading hides, skins, pelts and the like
04/22/1980US4199254 Method of measuring the quantity of movement of an object
04/22/1980US4199226 Laser transmitting and receiving device
04/22/1980US4198758 Chain measuring and conveyor control system
04/22/1980CA1075892A1 Method of and apparatus for determining vehicle wheel alignment
04/16/1980EP0009999A1 Apparatus for determining physical characteristics of plant root samples
04/16/1980EP0009582A1 Device for measuring the distance between a point on a surface of an object and a null plane
04/16/1980EP0009581A1 Method for determining the thickness of sheet material moving over rollers
04/15/1980US4198165 Apparatus and method for measuring an object
04/15/1980US4198164 Proximity sensor and method and apparatus for continuously measuring rail gauge
04/15/1980US4197855 Device for measuring the location, the attitude and/or the change in location or, respectively, attitude of a rigid body in space
04/15/1980CA1075457A1 Measuring probe using light
04/08/1980US4197012 Process and apparatus for measuring discoloration
04/08/1980US4196648 Automatic sawmill apparatus
04/08/1980US4196629 Fiber optic machinery performance monitor
04/08/1980CA1075341A1 Cw-laser illuminator detector
04/02/1980EP0009453A1 Method for examining the dimensions and position of nuclear reactor-vessel components
04/01/1980US4195929 Method for determining properties of optically isotropic and anisotropic materials