| Patents for G01J 3 - Spectrometry; Spectrophotometry; Monochromators; Measuring colours (33,177) |
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| 07/04/1989 | US4843874 Method of checking the workmanship of paint coating |
| 06/29/1989 | DE3743112A1 Device for measuring atomic spectra |
| 06/28/1989 | CN1033538A Wavelength scanning method of spectrophotometer |
| 06/27/1989 | US4842353 Diffraction apparatus with correcting grating and method of making |
| 06/21/1989 | EP0320530A1 Photodiode array spectrometer |
| 06/20/1989 | US4841140 Real-time color comparator |
| 06/20/1989 | CA1256179A1 Device for detecting differences in color |
| 06/20/1989 | CA1255945A1 Optical arrangement having a concave mirror or concave grating |
| 06/15/1989 | WO1989005465A1 Wedge-filter spectrometer |
| 06/14/1989 | EP0320477A2 Method for reducing the susceptibility of a measuring instrument to interferences |
| 06/14/1989 | EP0320086A2 Visual analytical tracer and method for detection and quantitative analysis for water treatment chemicals |
| 06/14/1989 | EP0319769A1 Colour-sensing device for identifying objects with a coloured surface |
| 06/14/1989 | CN2039414U Microcomputerized color determinating and blending device |
| 06/14/1989 | CN1033416A Measuring apparatus and method for parameters of laser beam and holographic raster streaks |
| 06/13/1989 | US4838697 Apparatus for rapid colorimetry on different samples |
| 06/13/1989 | US4838691 Method and apparatus for determining calibration accuracy of a scientific instrument |
| 06/08/1989 | DE3840106A1 Messfuehler fuer ein tragbares analysegeraet Illegal probe for a portable analysegeraet |
| 06/08/1989 | DE3827457A1 Method and device for the relative quantitative determination of chromophores in surface layers |
| 06/07/1989 | EP0319375A1 Apparatus for determining colour formulation for car body repairs |
| 06/07/1989 | EP0319158A1 Blood constituent monitoring apparatus and methods with frequency division multiplexing |
| 06/07/1989 | EP0318563A1 Air sac for oscillating low air loss bed |
| 06/07/1989 | EP0318499A1 Compact optical wavelength discriminator radiometer. |
| 06/07/1989 | CN2039017U Tongue colour determination device |
| 06/06/1989 | US4836674 Method and apparatus for determining color, in particular of a dental prosthesis |
| 06/06/1989 | US4836634 Wavelength multiplexer/demultiplexer using optical fibers |
| 06/06/1989 | CA1255114A1 Instantaneous reading multichannel polychromatic spectrophotometer method and apparatus |
| 06/01/1989 | WO1989004983A1 Optical spectral analyzer |
| 05/31/1989 | EP0183706B1 Stationary, electrically alterable, optical masking device and spectroscopic apparatus employing same |
| 05/31/1989 | EP0156877B1 Multicomponent quantitative analytical method and apparatus |
| 05/30/1989 | US4835393 Method and apparatus for determining concentration |
| 05/30/1989 | US4834541 Color sensor |
| 05/30/1989 | US4834537 Position encoding holographic spectrometer |
| 05/30/1989 | US4834535 Method of measuring atomic spectra compensating for atomic absorption by frequency modulation and using the doppler effect |
| 05/30/1989 | EP0264397A4 Systems for the direct analysis of solid samples by atomic emission spectroscopy. |
| 05/24/1989 | EP0316802A2 Detector for a spectrometer |
| 05/24/1989 | EP0316442A1 Near infrared measurement apparatus for organic materials |
| 05/24/1989 | EP0316396A1 Positioning apparatus particularly for use in a vacuum environment |
| 05/24/1989 | EP0316359A1 Optical wavelength monitor |
| 05/23/1989 | US4833681 Semiconductor laser wavelength stabilizer |
| 05/23/1989 | US4833385 Method for the phase synchronization of step-drive controlled equipment |
| 05/23/1989 | US4833332 Scanning fluorescent detection system |
| 05/23/1989 | US4832815 Wavelength dispersion electrophoresis apparatus |
| 05/23/1989 | US4832491 Method of and apparatus for spectroscopically analyzing samples |
| 05/23/1989 | US4832490 Photometer |
| 05/18/1989 | WO1989004468A1 An apparatus for colour control of objects |
| 05/17/1989 | EP0315972A2 Test sample colour comparison device |
| 05/17/1989 | EP0315967A2 Spectroscope |
| 05/17/1989 | EP0315939A2 Color signature sensor |
| 05/17/1989 | EP0315938A2 Real-time color comparator |
| 05/16/1989 | US4831319 Method for the phase synchronization of step-drive controlled equipment |
| 05/16/1989 | US4830512 Method of measuring viscosity of a body |
| 05/16/1989 | US4830501 Method of classifying color originals and apparatus thereof |
| 05/16/1989 | US4830493 UV scanning system for centrifuge |
| 05/16/1989 | US4830451 Technique and apparatus for fabricating a fiber Fabry-Perot etalon |
| 05/16/1989 | CA1254281A1 Method and apparatus for the detection and measurement of gases |
| 05/16/1989 | CA1254056A1 Analytical spectrophotometer |
| 05/11/1989 | DE3736673A1 Infrared analyser |
| 05/10/1989 | CN1032862A Multiwalled hydride generator |
| 05/09/1989 | US4829597 Satellites to and from submarines |
| 05/09/1989 | US4828388 Method of measuring concentration of substances |
| 05/09/1989 | US4828387 Film measuring device and method with internal calibration to minimize the effect of sample movement |
| 05/09/1989 | US4828367 Interferometer bearing assembly |
| 05/05/1989 | WO1989003986A1 Uv scanning system for centrifuge |
| 05/05/1989 | WO1989003980A1 Infrared emission detection |
| 05/03/1989 | EP0314312A2 Method and apparatus for detecting inks |
| 05/03/1989 | EP0314103A2 Method and device for the contactless drive of a double pendulum interferometer |
| 05/03/1989 | EP0314045A2 Wavelength dispersion electrophoresis apparatus |
| 05/03/1989 | EP0313968A1 High resolution spectroscopic arrangement |
| 05/03/1989 | DE3736203A1 Method for operating a spectrometer diode |
| 05/03/1989 | DE3736201A1 Wavelength-selective diode array |
| 05/03/1989 | CN1004104B High speed multiple frames interferometer for transient flow field |
| 05/02/1989 | US4826319 Method and apparatus for measuring immunological reaction with the aid of fluctuation in intensity of scattered light |
| 04/27/1989 | DE3734588A1 Recording photometer of high adaptability |
| 04/26/1989 | CN2036663U Flame type zeeman atomic absorption spectrophotometer |
| 04/25/1989 | USRE32912 Parabolic focusing apparatus for optical spectroscopy |
| 04/25/1989 | US4825262 Fabry-perot interferometer |
| 04/25/1989 | US4824249 Systems for the direct analysis of solid samples by atomic emission spectroscopy |
| 04/25/1989 | US4824246 Colored object which exhibits improved constancy of color appearance upon change of illuminants and method |
| 04/25/1989 | US4823841 Fluid mixing device, in particular hot and cold water mixing device |
| 04/20/1989 | WO1989003515A1 Multi-channel molecular gas analysis by laser-activated raman light scattering |
| 04/19/1989 | EP0311707A1 Color recognition apparatus |
| 04/19/1989 | CN1032456A 测量头 Measuring head |
| 04/18/1989 | US4823354 Excimer lasers |
| 04/18/1989 | US4822998 Spectral sensor with interference filter |
| 04/18/1989 | US4822168 Spectroscopic photometer for flow through sample absorption |
| 04/18/1989 | CA1252644A1 Color sensor |
| 04/12/1989 | EP0311561A1 Measuring head |
| 04/12/1989 | CN1003888B Achromatic standard board for reflection spectrum measurement |
| 04/11/1989 | US4820915 Color sensor with amorphous pin structure |
| 04/11/1989 | US4820048 Detector for a spectrometer |
| 04/11/1989 | US4820046 Spectroscope apparatus and reaction apparatus using the same |
| 04/11/1989 | CA1252437A1 Colour formulation |
| 04/06/1989 | WO1989003118A1 Dark signal compensation for diode arrays |
| 04/04/1989 | US4818875 Portable battery-operated ambient air analyzer |
| 04/04/1989 | US4818106 Spectral analysis device on a converter |
| 03/29/1989 | CN2035084U Chlorine remainder colorimeter |
| 03/28/1989 | US4817101 Heterodyne laser spectroscopy system |
| 03/28/1989 | US4815849 Spectrometer using concave holographic diffraction grating |
| 03/28/1989 | US4815842 Spectrograph for evaluating contamination of optical components in space |
| 03/22/1989 | EP0307484A1 Color sensor |