| Patents for G01B 9 - Instruments as specified in the subgroups and characterised by the use of optical measuring means (14,810) |
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| 02/25/1997 | US5606174 Method and device for detecting a shape of object with high resolution measurement of displacement of an object surface from a reference plane |
| 02/13/1997 | WO1997005448A1 Interferometer with compound optics |
| 02/11/1997 | US5602643 Method and apparatus for correcting surface profiles determined by phase-shifting interferometry according to optical parameters of test surface |
| 02/04/1997 | US5600442 Position detecting apparatus based on before and after mode-hop signals |
| 02/04/1997 | US5600440 Liquid crystal interferometer |
| 01/29/1997 | EP0755530A1 Method of determining measurement-point position data and device for measuring the magnification of an optical beam path |
| 01/28/1997 | US5598265 Method for profiling an object surface using a large equivalent wavelength and system therefor |
| 01/28/1997 | US5598264 Noise compensated interferometric measuring device and method using signal and reference interferometers |
| 01/22/1997 | EP0754309A1 Strip waveguide and uses thereof |
| 01/21/1997 | US5596410 Interferometer system and method for controlling the activation of a regulating interferometer in response to an output signal |
| 01/21/1997 | US5596409 Associated dual interferometric measurement method for determining a physical property of an object |
| 01/16/1997 | DE19624167A1 Coherence biometry and tomography with dynamic coherent focus |
| 01/15/1997 | EP0753804A1 Laser measuring apparatus |
| 01/15/1997 | EP0753733A1 Method of controlling a short-etalon Fabry-Perot interferometer used in an NDIR measurement apparatus |
| 01/07/1997 | US5591174 Microkeratome and method and apparatus for calibrating a microkeratome |
| 01/02/1997 | EP0751400A1 Method and device for optic treatment of two-dimensional image to extract the velocity field |
| 01/01/1997 | CN2244180Y Microscopic instrument for tree-walk growth |
| 12/31/1996 | US5589938 Method and apparatus for optical interferometric measurements with reduced sensitivity to vibration |
| 12/31/1996 | US5588632 Dynamic support structure |
| 12/27/1996 | EP0750174A2 Reference interferometer with variable wavelength |
| 12/27/1996 | EP0749566A1 Interferometre and fourier transform spectrometer |
| 12/24/1996 | US5587792 Apparatus and method for measuring thickness of thin semiconductor multi-layer film |
| 12/19/1996 | WO1996041122A1 Interferometer |
| 12/19/1996 | DE19521551A1 Speckle interferometry method for obtaining topographical information of object surface |
| 12/17/1996 | US5585922 Dual interferometer apparatus compensating for environmental turbulence or fluctuation and for quantization error |
| 12/12/1996 | WO1996039609A1 Technique for achieving preferred optical alignment in a scanning interferometer |
| 12/11/1996 | EP0746745A1 Method and apparatus for the rapid acquisition of data in coherence scanning interferometry |
| 12/10/1996 | US5583638 Angular michelson interferometer and optical wavemeter based on a rotating periscope |
| 12/05/1996 | WO1996038707A1 Method and apparatus for integrating an automated system to a laboratory |
| 12/05/1996 | WO1996038706A1 Interferometric broadband imaging |
| 11/26/1996 | US5579112 Optical tomographic imaging equipment having a light source unit for generating a light wave having a predetermined coherence length |
| 11/26/1996 | US5579109 3 frequency heterodyne laser interferometer that doubles the resolution |
| 11/21/1996 | WO1996036848A1 Laser beamsplitter for generating a plurality of parallel beams |
| 11/21/1996 | CA2221170A1 Laser beamsplitter for generating a plurality of parallel beams |
| 11/20/1996 | EP0586454B1 Positional measurement |
| 11/20/1996 | EP0546067B1 Interferometer |
| 11/20/1996 | CN2240711Y Oblique line raster density instrument |
| 11/19/1996 | US5576832 Optical measuring apparatus and measuring method of the same |
| 11/14/1996 | DE19541144A1 Control system for controlling drive of body with two parts eg. mirror and lever |
| 11/12/1996 | US5574560 Dual-beam interferometer with a phase grating |
| 11/07/1996 | WO1996035100A1 Device for measuring the thickness of transparent objects |
| 11/07/1996 | DE3645238C2 Variable Fabrv Perot type interferometer |
| 11/06/1996 | EP0740769A1 An interferometric measuring system |
| 10/31/1996 | DE19617880A1 Abstandsmeßvorrichtung Distance measuring |
| 10/31/1996 | DE19514852A1 Method for measuring acceleration and vibration |
| 10/23/1996 | EP0738871A2 Circuit and method for dealing with false zero crossings on low intensity signals |
| 10/22/1996 | US5568394 Interferometry with multipath nulling |
| 10/22/1996 | US5568256 Method and apparatus utilizing an optical stage for topographic surface analysis |
| 10/16/1996 | EP0737843A2 A method and apparatus for coherence observation by interference noise |
| 10/10/1996 | WO1996031752A1 Apparatus for the measurement of angular displacement |
| 10/10/1996 | DE19613677A1 Recording surface profile of object, for in-line quality control of machine-mfd. part |
| 10/10/1996 | DE19513233A1 Determination of phases and phase differences of light reflecting from specular or diffusely reflecting, or transparent surface of object |
| 10/09/1996 | EP0736759A2 Interferometer having a micromirror |
| 10/09/1996 | EP0458888B1 Interferometry |
| 10/08/1996 | US5563706 Interferometric surface profiler with an alignment optical member |
| 10/08/1996 | US5563704 Camera and method for holographic interferometry using an erasable photosensitive photopolymer film |
| 10/08/1996 | CA2169141A1 Interferometer having a micromirror |
| 10/03/1996 | WO1996030082A1 Method of evaluating a laser used in ophthalmological surgery |
| 10/02/1996 | DE19511926A1 Computer generated diffraction masks for examining surfaces |
| 10/01/1996 | US5561525 Interferometer for observing the interference pattern of a surface under test utilizing an adjustable aperture stop |
| 10/01/1996 | US5561524 Interferometric distance measuring apparatus utilizing an asymmetric/elliptic beam |
| 10/01/1996 | US5561523 Electrically tunable fabry-perot interferometer produced by surface micromechanical techniques for use in optical material analysis |
| 09/26/1996 | WO1996029570A1 Process and device for determining three-dimensional structures in the submicron range |
| 09/26/1996 | WO1996029569A1 Interferometry system and method for calculating a phase change between successive interference patterns which are recorded in pairs by said interferometry system |
| 09/26/1996 | DE19610337A1 Electromagnetic inductance with current-dependent inductance value |
| 09/26/1996 | CA2215600A1 Process and device for determining three-dimensional structures in the submicron range |
| 09/25/1996 | EP0733877A2 Associated dual interferometric measurement apparatus and method |
| 09/23/1996 | CA2169506A1 Associated dual interferometric measurement apparatus and method |
| 09/17/1996 | US5557408 Method of and system for measurement of direction of surface and refractive index variations using interference fringes |
| 09/11/1996 | EP0731335A2 Apparatus and method for non destructive testing of coherent radiation illuminated material |
| 09/11/1996 | EP0731334A1 Alignment of interferometers |
| 09/10/1996 | US5555089 Absolute distance measuring interferometry using multi-pass resonant cavity referenced to a stabilized laser source |
| 09/06/1996 | WO1996027121A1 Optical fibre interferometer and optical fibre piezo-electric modulator |
| 09/03/1996 | US5552888 Apparatus for measuring position of an X-Y stage |
| 09/03/1996 | US5552882 Methods of and apparatus for calibrating precisely spaced multiple transverse holographic gratings in optical fibers |
| 08/28/1996 | EP0729007A2 Positional measurement |
| 08/22/1996 | DE19505033A1 Interferometer system for laser path measuring system with at least 2 receivers |
| 08/20/1996 | US5548403 Phase shifting diffraction interferometer |
| 08/20/1996 | US5548402 Optical sweep signal generator |
| 08/20/1996 | US5548392 Optical position detector having scale pattern spot-illuminated to increase resolution |
| 08/15/1996 | WO1996024868A1 Strip waveguide and uses thereof |
| 08/15/1996 | CA2187216A1 Channel waveguide and applications |
| 08/14/1996 | DE19504465A1 Testing and calibration system for optical eye range measuring unit |
| 08/14/1996 | DE19504189A1 Stable and compact two beam interferometer system based on Michelson interferometer |
| 08/14/1996 | DE19503931A1 New single-mode integrated-optical wide-band waveguide |
| 08/13/1996 | US5546186 Apparatus for holographic interferometry suitable for inspection of cylindrical optical surfaces |
| 08/13/1996 | US5546184 Single-frequency bidirectional fringe-counting interferometer |
| 08/07/1996 | CN1128131A Optical coherence tomography corneal mapping apparatus |
| 08/06/1996 | US5543914 Apparatus and methods employing harmonic analysis for measuring the difference in phase between two coherent beams |
| 08/06/1996 | CA2127567C Michelson interferometer |
| 07/31/1996 | EP0724203A1 Holographic method for the recording of interferograms |
| 07/30/1996 | US5541730 Interferometric measuring apparatus for making absolute measurements of distance or refractive index |
| 07/30/1996 | US5541729 Measuring apparatus utilizing diffraction of reflected and transmitted light |
| 07/30/1996 | US5541728 Solid stationary interferometer fourier transform spectrometer |
| 07/25/1996 | WO1996022506A1 An optical device and a method of utilizing such device for optically examining objects |
| 07/25/1996 | WO1996022505A1 Interferometric measurement of surfaces with diffractive optics at grazing incidence |
| 07/25/1996 | DE19524036A1 Determining shape or shape changes by interferometry |
| 07/25/1996 | DE19501526A1 Object range detection device using frequency-modulated continuous wave laser radar |
| 07/24/1996 | EP0722558A1 Interferometric method and apparatus to measure surface topography |
| 07/24/1996 | EP0722557A1 Method and apparatus to calibrate intensity and determine fringe order for interferometric measurement of small spacings |