| Patents for G01B 11 - Measuring arrangements characterised by the use of optical means (73,862) |
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| 10/15/1981 | WO1981002927A1 Method and apparatus for determining the shape of objects |
| 10/13/1981 | US4294546 Apparatus for working aligned bores |
| 10/13/1981 | US4294545 Device for continuously measuring a transverse dimension of a thread-like structure |
| 10/13/1981 | US4294544 Topographic comparator |
| 10/13/1981 | US4294149 Apparatus for measuring and orienting logs for sawing |
| 10/13/1981 | US4294014 Apparatus for determining the shoe size corresponding to a foot |
| 10/13/1981 | EP0030542A4 Method for monitoring optical fiber processing. |
| 10/07/1981 | EP0037267A1 Vehicle frame and body alignment apparatus |
| 10/07/1981 | EP0037073A2 Centering device to make a centre hole in discs |
| 10/07/1981 | EP0036976A1 Test circuit for a digital electric length or angle measurement system |
| 10/07/1981 | EP0036884A1 Vehicle wheel alignment apparatus |
| 10/06/1981 | US4293226 Photographic film blackening area measuring device |
| 10/06/1981 | US4293224 Optical system and technique for unambiguous film thickness monitoring |
| 10/06/1981 | CA1110361A1 Opto-mechanical measuring system |
| 10/01/1981 | WO1981002782A1 Apparatus and method for nighttime and low visibility alignment of communicators |
| 10/01/1981 | WO1981002781A1 Optical position sensor |
| 09/29/1981 | US4292672 Inspection system for detecting defects in regular patterns |
| 09/29/1981 | US4292536 Radiation method and assembly for assessing web parameters |
| 09/29/1981 | US4292514 Apparatus for, and method for, achieving a temperature compensation of an avalanche photodiode |
| 09/29/1981 | US4291990 Apparatus for measuring the distribution of irregularities on a mirror surface |
| 09/29/1981 | US4291978 Apparatus for automatically determining the position at which a beam of light impinges on a target |
| 09/29/1981 | US4291976 Digital fiber optic position sensor |
| 09/23/1981 | EP0036280A1 Calibration fault detector and automatic calibrator |
| 09/23/1981 | EP0036251A2 Polarising optical system |
| 09/23/1981 | EP0036099A1 A mirror and prism combination for the harmonisation of optical axes |
| 09/22/1981 | US4291334 System for detecting the position of an object |
| 09/22/1981 | US4290698 Apparatus for testing surface roughness |
| 09/22/1981 | CA1109250A1 Apparatus and method for measuring the roughness of lumber |
| 09/17/1981 | WO1981002628A1 Dimension measuring apparatus |
| 09/17/1981 | WO1981002627A1 Coordinate locating device |
| 09/16/1981 | EP0035885A1 Optical position sensor |
| 09/16/1981 | EP0035720A1 Apparatus for inspecting an object by light |
| 09/16/1981 | EP0035651A2 Device for measuring lengths |
| 09/16/1981 | EP0035580A1 Interferometrically controlled worktable and a position-control device |
| 09/15/1981 | US4289404 Laser-based deflection measuring method and apparatus |
| 09/15/1981 | US4289400 Apparatus for measuring a gradient of a surface |
| 09/15/1981 | US4289374 Method of and device for providing a concentric envelope on an end of an optical fiber, and fiber having an end provided with a concentric envelope in accordance with the method |
| 09/09/1981 | EP0035423A2 System to detect and localize surface discontinuities with a light probe |
| 09/08/1981 | US4288852 Method and apparatus for automatically determining sheet metal strain |
| 09/08/1981 | US4288282 Etching metallic foil, photoresist |
| 09/08/1981 | CA1108445A1 Interferomic determination of separations within a tire |
| 09/02/1981 | EP0034923A1 Target structure for use with a vehicle wheel alignment apparatus |
| 09/01/1981 | US4287532 Image-shearing apparatus |
| 09/01/1981 | US4286879 Device, particularly for the digital measuring of force |
| 09/01/1981 | US4286871 Photogrammetric measuring system |
| 09/01/1981 | EP0027822A4 Laser altimeter and probe height sensor. |
| 08/25/1981 | US4286164 Method for determining the average width of luminescent stripes of a viewing screen |
| 08/25/1981 | US4285745 By scanning to generate an optical profile prior to lamination, and filtering the signal obtained |
| 08/25/1981 | CA1107860A1 Range detecting method and apparatus |
| 08/25/1981 | CA1107837A1 Frost detector |
| 08/25/1981 | CA1107834A1 Defect detecting device |
| 08/25/1981 | CA1107493A1 Method and apparatus for determining ratio of core radius to cladding radius in clad optical fibers |
| 08/18/1981 | US4284357 Device for continuously inspecting a surface |
| 08/18/1981 | US4283859 Method and apparatus for reading a key |
| 08/11/1981 | US4283139 Instrument for optically measuring soft contact lens parameters |
| 08/11/1981 | CA1106934A1 Positional sensor-operator system |
| 08/06/1981 | WO1981002199A1 Interferometer for the shape control of convex surfaces of optical parts |
| 08/04/1981 | US4282571 Electronic distance measurement and displaying apparatus |
| 08/04/1981 | US4281931 Measuring apparatus comprising light optics utilizing cylindrical focusing glass fiber |
| 08/04/1981 | US4281696 Automatic sawmill method and apparatus |
| 07/29/1981 | EP0032710A1 Method and device for analyzing the surface of flexible materials |
| 07/28/1981 | US4280827 System for measuring optical waveguide fiber diameter |
| 07/28/1981 | US4280764 Phase-conjugate interferometer |
| 07/28/1981 | CA1105769A1 Apparatus and method for monitoring the dampening and inking equilibrium in offset printing units |
| 07/22/1981 | EP0032394A2 Distance-independent high precision ophthalmometer |
| 07/21/1981 | US4279513 Optical inspection system for large parts and for multiple measurements |
| 07/21/1981 | CA1105595A1 Numerical control tape preparation machine |
| 07/21/1981 | CA1105252A1 Front wheel mirror mounting device alignment apparatus |
| 07/15/1981 | EP0032117A2 Monitoring apparatus for monitoring for holes or surface defects in webs |
| 07/15/1981 | EP0031973A2 Object measuring arrangement |
| 07/14/1981 | US4278881 System to supervise operation of a bearing |
| 07/14/1981 | US4278350 Hub alignment |
| 07/08/1981 | EP0031680A2 Focusing apparatus |
| 07/07/1981 | US4277802 Defect inspection system |
| 07/07/1981 | US4277178 Web element concentration detection system |
| 07/07/1981 | US4277177 Apparatus to measure select properties of a moving sheet |
| 07/07/1981 | US4277176 Method and apparatus for checking the width and parallelism of margins following the centering of a print with respect to a support |
| 07/07/1981 | US4277174 Method and apparatus for the measurement of hardness testing indentations |
| 07/07/1981 | US4277171 Base board device for measuring instruments |
| 07/07/1981 | US4277169 Device for simultaneously performing alignment and sighting operations |
| 07/07/1981 | US4276766 Roughness sensor calibration |
| 07/07/1981 | US4276698 Machines for measuring the dimensions of workparts |
| 07/07/1981 | CA1104338A1 Diffraction type alignment/measurement of configurations on spaced planes |
| 06/30/1981 | US4276480 Sensor position independent material property determination using radiant energy |
| 06/30/1981 | US4276324 Method for the contact-free continuous measurement and monitoring of magnetic tracks on moving film strips |
| 06/30/1981 | US4275966 Method and apparatus for the measurement of hardness testing indentations |
| 06/30/1981 | US4275965 Long stroke, high resolution optical position sensor |
| 06/30/1981 | US4275963 Method and apparatus for sensing ultrasonic energy |
| 06/30/1981 | US4275599 Sensor for measuring dynamic variations in strain |
| 06/30/1981 | US4275596 Optical bichromatic position finder |
| 06/30/1981 | US4275505 Apparatus for checking dimensional tolerances |
| 06/25/1981 | WO1981001745A1 Optical bichromatic position finder |
| 06/24/1981 | EP0030899A1 Optical aligning system for two patterns provided with grid-type aligning marks, especially for direct photorepeating on silicon |
| 06/24/1981 | EP0030542A1 Method for monitoring optical fiber processing |
| 06/23/1981 | US4275292 Method and apparatus for positioning a drag racing vehicle to a starting-line position |
| 06/23/1981 | US4275264 Portable hand-held length probe with tracing-unit-actuated length signal output control switch |
| 06/23/1981 | US4274783 Chain measuring and conveyor control system |
| 06/23/1981 | US4274747 Method and device for inspecting a moving sheet material for streaklike defects |
| 06/23/1981 | US4274746 Method and apparatus for optically measuring crimp frequency |
| 06/23/1981 | US4274743 Method and apparatus for optical measurement of the dimension of an object |