| Patents for G01J 3 - Spectrometry; Spectrophotometry; Monochromators; Measuring colours (33,177) |
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| 02/26/1991 | US4996417 Color filter device |
| 02/26/1991 | US4995727 Compact diffusion light mixing box and colorimeter |
| 02/26/1991 | US4995725 Monochromator arrangement |
| 02/26/1991 | US4995724 Optical spectrum analyzer with high performance measurement function |
| 02/26/1991 | US4995723 Method and apparatus for optically coupling an element analysis system and a laser to liquid metal in a melting vessel |
| 02/26/1991 | US4995721 Two-dimensional spectrometer |
| 02/21/1991 | DE3926881A1 impulse-based spectral photometer for rapid cell changes - induced by light using polychromatic beam formed in photo-cable from multiple sources |
| 02/19/1991 | US4993834 Spectrometer for the simultaneous measurement of intensity in various spectral regions |
| 02/13/1991 | EP0412410A2 Double-beam photometer |
| 02/13/1991 | CN2071335U Wave length automatic correction system for dispersion instrument |
| 02/12/1991 | US4992963 For dividing light |
| 02/12/1991 | US4992050 Consumer color reference kit |
| 02/12/1991 | US4991963 Wavelength-independent interferometer for optical signal processing |
| 02/12/1991 | US4991961 Moving mirror tilt adjust mechanism in an interferometer |
| 02/12/1991 | US4991934 Varied space diffraction grating and in-focus monochromator |
| 02/07/1991 | WO1991001489A1 Optical devices |
| 02/06/1991 | EP0411907A2 Scattered total internal reflectance apparatus |
| 02/06/1991 | EP0411250A1 Double beam interferometer |
| 02/06/1991 | EP0411070A1 Spectromicroscope with photometer. |
| 02/06/1991 | CN1011554B Ultraviolet scanning system for centrifuger |
| 02/05/1991 | US4989983 Test sample color comparison device |
| 02/05/1991 | US4989982 Spectral sensitivity correcting device in a photoelectric tristimulus colorimeter |
| 02/02/1991 | CA2022292A1 Scattered total internal reflectance apparatus |
| 01/30/1991 | EP0409898A1 System of fluid inspection and/or identification |
| 01/29/1991 | US4988858 Optical device |
| 01/29/1991 | US4988857 Misconvergence measuring apparatus |
| 01/29/1991 | US4988196 Time domain Fraunhofer line discriminator |
| 01/28/1991 | WO1991002228A1 Apparatus and microbase for surface-enhanced raman spectroscopy system and method for producing same |
| 01/28/1991 | CA2063830A1 Apparatus and microbase for surface-enhanced raman spectroscopy system and method for producing same |
| 01/23/1991 | EP0409765A2 Interferometric apparatus |
| 01/23/1991 | EP0409137A2 Spectrophotometer |
| 01/23/1991 | EP0408697A1 Device for point-by-point measurement of coloured originals. |
| 01/22/1991 | US4987548 Analyzer of partial molecular structures |
| 01/22/1991 | US4986658 Transient spectroscopic method and apparatus for in-process analysis of molten metal |
| 01/22/1991 | US4986656 Method of remotely measuring diffuse attenuation coefficient of sea water |
| 01/22/1991 | US4986655 Apparatus for measuring diffuse attenuation coefficient of sea water |
| 01/22/1991 | CA1279203C Optical fiber spectro-colorimetry apparatus |
| 01/17/1991 | DE4021159A1 Measuring arrangement in atom absorption spectrometry - contains pulse lamp, echelle spectrometer, and CCD sensor |
| 01/17/1991 | DE3921816A1 Dual beam interferometer with rotary mirror system - has beam splitter(s) for amplitude splitting of incident measuring beam and detectors evaluating partial beams mixed by reflectors |
| 01/16/1991 | EP0408507A1 Method for the determination of the distances between the color coordinates of two halftone regions printed with a printing machine and method for monitoring or adjusting the color printing of a printing machine |
| 01/16/1991 | EP0407548A1 Deuterium lamp for spectral analysis devices. |
| 01/16/1991 | EP0407519A1 Interferometry device for fourier transform multiplex spectro-imaging apparatus and spectro-imaging apparatus containing the same. |
| 01/16/1991 | EP0407381A1 Objective color characterization system and method. |
| 01/16/1991 | CN2069572U Spectral optical system for brightness meter/colorimeter |
| 01/16/1991 | CN1048596A Colour measuring device |
| 01/15/1991 | US4985858 Method and apparatus for temperature determination |
| 01/15/1991 | US4984895 Color comparison device having a bulged insertion groove for holding a test stick in a flexed condition |
| 01/15/1991 | US4984888 Two-dimensional spectrometer |
| 01/15/1991 | CA1278910C Mounting a component to a substrate |
| 01/10/1991 | DE3922176A1 Colour pattern scanning - has opto-electronic scanner to identify reference colours and colour points with three colour components for identification |
| 01/09/1991 | CN2069109U 陶瓷燃烧头 Ceramic burner head |
| 01/08/1991 | US4983844 Fast atomic line filter |
| 01/08/1991 | US4983041 Spatial interferogram |
| 01/08/1991 | US4983039 Spectrometer |
| 01/08/1991 | CA1278715C Fiber fabry-perot etalon |
| 01/08/1991 | CA1278702C Reflectance measuring apparatus for making contactless measurements |
| 01/08/1991 | CA1278700C Method of spectrographically measuring density of photographic negative color film |
| 01/03/1991 | DE3920117A1 Two=beam interferometer for fourier spectroscopy - has pivotable tilt=independent retroreflectors ensuring insensitivity to lateral retroreflector displacement |
| 01/02/1991 | EP0405141A2 Remote sensing gas analyzer |
| 01/02/1991 | EP0405051A2 Multispectral band imaging and detecting device |
| 01/02/1991 | EP0404901A1 Raman analysis apparatus. |
| 01/02/1991 | CN2068676U Chromaticity colour analyzer |
| 01/01/1991 | US4981361 Color comparison device having a color sample-bonding wheel which permits easy removal of a color sample sticker |
| 01/01/1991 | US4981357 Spectrophotometer having functions of both a double-monochromater and a single-monochromater |
| 12/27/1990 | CA1278196C System for remote chemical analysis |
| 12/25/1990 | US4980640 Method of and device for determining spectrum parameters of a spectrum related to spectroscopic signals |
| 12/25/1990 | US4980566 Ultrashort pulse multichannel infrared spectrometer apparatus and method for obtaining ultrafast time resolution spectral data |
| 12/25/1990 | US4980554 Laser line identifier |
| 12/25/1990 | US4979821 Cuvette for receiving liquid sample |
| 12/19/1990 | EP0403228A1 Optical system for spectral analysis |
| 12/19/1990 | CN2067827U Real-time display device for spectrum analysis |
| 12/19/1990 | CN1047923A Apparatus for analyzing luminosity |
| 12/19/1990 | CN1010889B High optical efficiency dual spectra pyrometer |
| 12/18/1990 | US4979123 Apparatus for determining concentrations of mineral elements |
| 12/18/1990 | CA1277850C Automated acousto-optic infra-red analyzer system for monitoring stack emissions |
| 12/12/1990 | EP0402194A2 Interferometric apparatus, particularly for a moving spectro-imager with multiplex fourier transformation and spectro-imager containing the apparatus |
| 12/12/1990 | EP0401599A2 Remote sensing gas analyzer |
| 12/12/1990 | EP0401470A2 Apparatus for emission spectrochemical analysis |
| 12/11/1990 | US4977522 Apparatus for determining the formulation of paint for use in bodywork repair |
| 12/11/1990 | US4976542 Digital array scanned interferometer |
| 12/11/1990 | US4976541 Automatic atomic-absorption spectrometry method |
| 12/11/1990 | CA1277525C Movable member mounting |
| 12/11/1990 | CA1277507C Gas analyzer and a source of ir radiation therefor |
| 12/06/1990 | CA2017748A1 Improvements in interferometer devices, especially for scanning type multiplex fourier transform spectrometry |
| 12/05/1990 | CN2066980U Measuring device for colour liquid |
| 12/05/1990 | CA2018191A1 Remote sensing gas analyzer |
| 12/04/1990 | US4975237 Dynamic light scattering apparatus |
| 12/04/1990 | US4974963 Portable and autonomous instrument for analyzing a gaseous composition by means of flame spectrophotometry |
| 11/30/1990 | CA2017740A1 Fiberoptic probe having waveguide properties |
| 11/28/1990 | EP0399683A2 Moving mirror tilt adjust mechanism in an interferometer |
| 11/28/1990 | EP0399057A1 Method for operating a photodiode array spectrometer and photodiode array spectrometer |
| 11/28/1990 | CN1047386A Autocorrelation system of wave length for dispersor |
| 11/28/1990 | CN1010614B Analyzer for local molecular structure |
| 11/27/1990 | WO1990014580A1 Pulsating infrared radiation source |
| 11/27/1990 | US4974209 Interactive smoothing system |
| 11/27/1990 | US4973253 Color selecting apparatus |
| 11/27/1990 | US4973159 Spectroscope apparatus and reaction apparatus using the same |
| 11/27/1990 | CA1276781C Positioning optical components and waveguides |
| 11/24/1990 | WO1990014582A1 Wavelength detector |
| 11/24/1990 | CA2033194A1 Wavelength detecting apparatus |