| Patents for G01B 11 - Measuring arrangements characterised by the use of optical means (73,862) |
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| 04/05/1989 | EP0309454A1 Process and apparatus for contactless and accurate gauging of machine parts |
| 04/04/1989 | US4819167 System and method for detecting the center of an integrated circuit wafer |
| 04/04/1989 | US4818879 Positioning and machining apparatus having a scanner for circularly scanning an object by a light beam |
| 04/04/1989 | US4818173 Robot arm member relative movement sensing apparatus |
| 04/04/1989 | US4818118 Coating thickness measurement |
| 04/04/1989 | US4818110 Method and apparatus of using a two beam interference microscope for inspection of integrated circuits and the like |
| 04/04/1989 | US4818108 Phase modulated ronchi testing of aspheric surfaces |
| 04/04/1989 | US4818104 Remote angle measurement--especially missile yaw measurement |
| 04/04/1989 | US4817293 Method for axial alignment of an assembly for implanting a parietal probe in a reducing-smelting furnace, and associated implanting assembly |
| 04/04/1989 | CA1252224A1 Reverse dark field alignment system for scanning lithographic aligner |
| 04/04/1989 | CA1252211A1 Method and apparatus for providing cross-sectional shape or profile information of a body |
| 04/04/1989 | CA1252209A1 Electronic foot measuring apparatus and method |
| 03/30/1989 | DE3731171A1 Notchiness measuring instrument |
| 03/29/1989 | EP0308537A1 Sensor for converting a distance to optical and further to electrical energy, and surface scanning apparatus using same |
| 03/29/1989 | EP0308466A1 Distance measuring device. |
| 03/29/1989 | EP0308403A1 Process for measuring the distance between a machine-tool and a workpiece |
| 03/28/1989 | US4815857 Method and apparatus for measuring an object |
| 03/28/1989 | US4815856 Method and apparatus for measuring the absolute thickness of dust defocus layers |
| 03/28/1989 | US4815850 Relative-displacement measurement method |
| 03/28/1989 | US4815845 Axial alignment aid for remote control operations and related method |
| 03/28/1989 | CA1251863A1 Fish sorting machine |
| 03/23/1989 | WO1989002573A1 Device for continuously determining a condition indication of the surface of a crepe paper web in motion |
| 03/23/1989 | WO1989002572A1 Method and apparatus for measuring refractive index and film thickness |
| 03/23/1989 | WO1989002570A1 Length measuring device with perforated tape |
| 03/23/1989 | DE3822275A1 Method and device for automatic focussing on coordinate measuring machines with optoelectronic structure locating |
| 03/22/1989 | EP0307714A1 Light sensor switch |
| 03/22/1989 | EP0307408A1 A method for monitoring the manufacture of a product. |
| 03/22/1989 | CN1031892A Six-contact type high-precision planeness-measuring method and its apparatus |
| 03/21/1989 | US4815006 Method and device for calibrating a sensor on an industrial robot |
| 03/21/1989 | US4814833 Document size detecting device |
| 03/21/1989 | US4814626 Method for high precision position measurement of two-dimensional structures |
| 03/21/1989 | US4814624 Method and apparatus for measuring the position of an object boundary |
| 03/21/1989 | US4813782 Method and apparatus for measuring the floating amount of the magnetic head |
| 03/21/1989 | US4813781 Method of measuring the flowing of a material |
| 03/16/1989 | DE3729743A1 Method for continuous determination of the wall thickness of extrudates having a hollow profile |
| 03/15/1989 | EP0306830A2 Coordinate-measuring machine |
| 03/15/1989 | EP0306731A2 Method and apparatus for calibrating a non-contact gauging sensor with respect to an external coordinate system |
| 03/15/1989 | EP0306485A1 Machine-tool, preferably drilling machine. |
| 03/15/1989 | CN2034264U Coaxiality measuring apparatus |
| 03/15/1989 | CN1031758A 激光测厚仪 Laser Gauge |
| 03/14/1989 | US4812666 Position feedback enhancement over a limited repositioning area for a moveable member |
| 03/14/1989 | US4812645 Structural monitoring system using fiber optics |
| 03/14/1989 | US4812643 Detector device for a blade tracking system having two sensors |
| 03/14/1989 | US4812642 Optical coordinate system input device |
| 03/14/1989 | US4812639 Self-aligning phase conjugate laser |
| 03/14/1989 | US4812635 Optoelectronic displacement sensor with correction filter |
| 03/14/1989 | US4812043 Method for measuring a physical quantity providing digital data using analog-value measuring devices, and measuring apparatus for applying this method |
| 03/14/1989 | US4812042 Holographic interferometer |
| 03/09/1989 | WO1989002059A1 Straightness interferometer system |
| 03/08/1989 | EP0306409A1 Optical system for the determination of the variation of the curvature of an object within a zone of small dimensions |
| 03/08/1989 | EP0305473A1 Probe, motion guiding device, position sensing apparatus, and position sensing method |
| 03/08/1989 | CN2033892U Strain gage of cloud pattern |
| 03/08/1989 | CN2033891U Multi-function equipment with dispersed spotted white light for picture taking |
| 03/08/1989 | CN1031599A Optical-fibre sensor of rotating angle and torque |
| 03/07/1989 | US4811251 Vessel opening top inspection method |
| 03/07/1989 | US4810894 Method and apparatus for measuring film thickness using a second sheet of known thickness |
| 03/07/1989 | US4810273 Porous ceramic filter |
| 03/07/1989 | US4810095 Laser-beam, pattern drawing/inspecting apparatus |
| 03/07/1989 | CA1250765A1 Welding position detecting apparatus |
| 03/05/1989 | WO1989003972A1 Method for controlling the condition of a prolongated envelope |
| 03/01/1989 | EP0305182A2 Apparatus and method for measuring reflective cone |
| 03/01/1989 | EP0305107A2 Three-dimensional scanner |
| 03/01/1989 | EP0304795A2 Device for checking of coated and uncoated foils |
| 03/01/1989 | EP0304793A2 Device for the determination of the thickness of film bases |
| 03/01/1989 | EP0304664A2 Detector for aligning high power lasers |
| 03/01/1989 | EP0304460A1 Method of and apparatus for calibration of machines. |
| 02/28/1989 | US4809341 Test method and apparatus for a reticle or mask pattern used in semiconductor device fabrication |
| 02/28/1989 | US4809188 Strip feeding and control system |
| 02/28/1989 | US4808824 Compositional state detection system and method |
| 02/28/1989 | US4808277 Method for the continuous electrolytic plating of a metal strip with a metallic plating layer |
| 02/28/1989 | US4808003 Arrangement for optically measuring the profile of a radiation reflecting surface |
| 02/28/1989 | US4808002 Method and device for aligning first and second objects relative to each other |
| 02/28/1989 | US4808000 Positioning device and method |
| 02/28/1989 | CA1250643A1 Position control for load engaging apparatus |
| 02/22/1989 | EP0304307A2 Position error sensing and feedback apparatus and method |
| 02/22/1989 | EP0304164A2 Leak detector |
| 02/22/1989 | EP0303727A1 A rocker arm sensor |
| 02/22/1989 | CN1031277A Device for performing measurements on a transparent object, method of mfg. a fibre |
| 02/21/1989 | US4807296 Automatic pattern original reading apparatus |
| 02/21/1989 | US4807145 Method and apparatus for measuring the shape, size, etc., of a rotary tool |
| 02/21/1989 | US4806778 Micro-displacement measuring apparatus using a semiconductor laser |
| 02/21/1989 | US4806777 Device for scanning the contour of a surface of a workpiece |
| 02/21/1989 | US4806774 Inspection system for array of microcircuit dies having redundant circuit patterns |
| 02/21/1989 | US4806017 Apparatus for the contactless measurement of geometrical dimensions |
| 02/21/1989 | US4806012 Distributed, spatially resolving optical fiber strain gauge |
| 02/21/1989 | US4805985 Method of producing a fiber-optical reflection sensor and sensor so produced |
| 02/21/1989 | CA1250141A1 Laser gauging system and component parts therefor |
| 02/15/1989 | EP0303293A2 Laser temperature modulation and detection method |
| 02/14/1989 | US4805124 System and method for measuring elliptical elements |
| 02/14/1989 | US4805123 Automatic photomask and reticle inspection method and apparatus including improved defect detector and alignment sub-systems |
| 02/14/1989 | US4805019 Non-contact apparatus and method for measuring the length of aluminum sheet and plate |
| 02/14/1989 | US4804270 Multi-axis alignment apparatus |
| 02/14/1989 | US4804265 Signal processing circuit |
| 02/14/1989 | US4803785 Wheel alignment apparatus |
| 02/09/1989 | WO1989001129A1 Detection system for a radiation profile line |
| 02/09/1989 | DE3724982A1 Device for monitoring the position of rolls in a rolling mill |
| 02/08/1989 | EP0302512A2 Simplified calibration for a distance information obtaining device |
| 02/08/1989 | EP0302178A2 Position sensor |
| 02/08/1989 | EP0189435B1 Mask-to-wafer alignment utilizing zone plates |
| 02/08/1989 | CN1030976A 足迹检测仪 Footprint detector |