Patents for G01J 3 - Spectrometry; Spectrophotometry; Monochromators; Measuring colours (33,177)
05/1992
05/19/1992US5114232 Moving mirror velocity detection in an interference spectrophotometer
05/19/1992US5114231 Spectroscopic analysis device
05/14/1992WO1992008122A1 Fertility analyzer
05/13/1992EP0484564A1 Metered color matching method
05/12/1992US5112127 Apparatus for measuring Raman spectra over optical fibers
05/12/1992US5112125 Spectral microscope with a photometer
05/06/1992CN2103798U Fast regulator for spectrometer
05/06/1992CN1060907A Fluorescence measurement apparatus
05/05/1992US5111466 Optical multilayer structures for harmonic laser emission
05/05/1992CA1300108C Optical instrument employing fiber optics to direct light through tilting filter wheel
04/1992
04/30/1992WO1992007275A1 Spectral data measurement and correction
04/29/1992EP0482765A1 Monochromator having slits of particular form
04/29/1992EP0190310B1 Spectral analyzer and direction indicator
04/29/1992CN1060722A Rotary scanning interferometer
04/28/1992CA1299772C Scanning fluorescent detection system
04/28/1992CA1299712C Heterodyne laser spectroscopy system
04/22/1992EP0481823A1 Fluorescence measurement apparatus
04/21/1992US5106196 Single adjustment specular reflection accessory for spectroscopy
04/21/1992US5106190 Double-beam spectrophotometer using a photodiode detector
04/17/1992WO1992007239A1 Random access monochromator
04/17/1992CA2094138A1 Random access monochromator
04/15/1992CN1060356A 单色仪 Monochromator
04/15/1992CN1016282B Fluorescence spectrophotometer
04/15/1992CN1016281B Method of optical determination for apparatus of automatic analysis and their apparatus
04/14/1992US5104218 Micropipette adaptor for spectrofluorimeters
04/08/1992EP0479379A2 Spectrophotometer having means for simultaneous modulation, switching and wavelength selection of a light source
04/08/1992EP0478880A1 Two-beam interferometer
04/08/1992EP0478801A1 Michelson interferometer
04/08/1992EP0478785A1 Apparatus for measuring wavelength of light by high precision detection of interference fringe
04/07/1992US5103340 Multiple-cavity optical filter using change of cavity length
04/07/1992CA1298665C Color sensor system for the recognition of objects with colored surfaces
04/04/1992WO1992006361A1 Fabrication of multifunctional holographic optical elements and application in photometers
04/04/1992CA2090483A1 Fabrication of multifunctional holographic optical elements and application in photometers
04/03/1992WO1992006360A1 Detection and control of aromatic compounds in combustion effluent
04/03/1992CA2093218A1 Detection and control of aromatic compounds in combustion effluent
04/02/1992WO1992005502A1 A spectral analysis system for extracting residual spectra from spectral data
04/02/1992WO1992005412A1 Spectrometric construction method of light
04/02/1992DE4132754A1 Arrangement for testing objects for surface defects - has transport unit, illumination, sensing, positioning, control, evaluation and ejection units for automated testing
04/01/1992EP0305435B1 Portable and autonomous instrument for analyzing a gaseous composition by means of flame spectrophotometry
03/1992
03/31/1992CA1298407C Apparatus for determining a paint formulation for bodywork repairs
03/27/1992WO1992005413A1 Method and means for generating synthetic spectra allowing quantitative measurement in near infrared measuring instruments
03/25/1992EP0476910A2 Mode partition screening apparatus
03/24/1992CA1297980C Objective color notation system
03/24/1992CA1297700C Method of calibrating reflectance measuring devices
03/20/1992CA2049849A1 Mode partition screening apparatus
03/19/1992WO1992005411A1 Infra-red source
03/19/1992WO1992004615A1 Spectrum analysis and absorption measuring process with controlled spectral range
03/19/1992WO1992004606A1 Colorimeter
03/19/1992CA2091900A1 Infra-red source
03/18/1992EP0475305A2 Apparatus and method for inverse photoemission spectroscopy
03/18/1992EP0475211A2 Absorbance detector
03/18/1992EP0409898A4 System of fluid inspection and/or identification
03/17/1992US5096295 Scanning monochromator
03/12/1992DE4126678A1 Measuring technique for detecting pointwise increase of spectra - using pulse width modulation of wavelength radiated from single LED for remission, reflection and transmission spectra increase registration
03/11/1992EP0474417A2 Resolving apparatus
03/11/1992EP0474264A2 Spectrally dispersive imaging Lidar method and apparatus
03/11/1992CN1059404A Absorption photometric detector
03/10/1992US5095205 Spectroanalytical system
03/10/1992US5094958 Method of self-compensating a fiber optic chemical sensor
03/10/1992US5094532 Method and apparatus for measuring small particle size distribution
03/08/1992CA2073057A1 Colorimeter
03/04/1992EP0473114A2 Standard samples and methods of instrumental measurement of saybolt color of petroleum products using said samples
03/01/1992WO1992004653A1 Tunable liquid-crystal etalon filter
03/01/1992WO1992004618A1 Self-compensating focs and other chemical sensors
03/01/1992CA2089649A1 Self-compensating focs and other chemical sensors
02/1992
02/26/1992CN1015658B Quick detector of colour
02/25/1992US5090807 Real time optical pre-detection processing of multispectral image data
02/20/1992DE4120749A1 Ascertaining spectral remission function at set point - using opto-electronic colour measuring head and LEDs as radiation transmitter
02/18/1992US5089976 Color normalization process
02/18/1992US5088823 Spectroanalytical systems
02/18/1992US5088821 Spectroscopic analysis system with remote terminals
02/18/1992US5088820 Laser enhanced ionization detector for Raman spectroscopy
02/12/1992CN2096053U Seal spacer for spectrum measuring
02/11/1992US5087126 Method of estimating colors for color image correction
02/11/1992US5087123 Atomic emission spectrometer with background compensation
02/06/1992WO1992001921A1 A high performance absorbance detector with flashlamp and compact folded optics system
02/05/1992EP0469733A2 Apparatus and method for measuring gas concentrations
02/05/1992EP0469083A1 Transient spectroscopic method and apparatus for in-process analysis of molten metal
02/05/1992CN1015406B Multiwalled hydride generator
02/04/1992CA1295157C Compact optical wavelength discriminator radiometer
01/1992
01/30/1992DE4023154A1 Fabry-Perot resonator e.g. for astronomy - has two reflectors formed as superconducting films on carrier(s)
01/29/1992EP0468816A2 Fourier transform spectroscope with quadrangular common path interferometer
01/28/1992CA1295031C Uv scanning system for centrifuge
01/23/1992WO1992001210A1 Technique for improving the resolution of an a/d converter in a spectrometer using dither
01/22/1992EP0467581A2 Optical long-path gas monitoring apparatus
01/22/1992CN1058094A Fast surface spectrum detector
01/21/1992US5082629 Thin-film spectroscopic sensor
01/21/1992US5082529 Color measurement and control of a sheet material
01/21/1992US5082370 Industrial colorimeter having light intensity compensation means
01/19/1992CA2047074A1 Optical long-path gas monitoring apparatus
01/15/1992EP0466451A1 Dyeing lenses
01/15/1992EP0466403A1 Leakage-corrected linear variable filter
01/15/1992EP0346387A4 Improved automatic atomic-absorption spectrometer
01/14/1992US5081361 Passive atomic resonance filter
01/14/1992US5081358 Detector of fourier transform infrared spectrometer
01/14/1992US5080486 Spectrum measuring equipment utilizing double-image polarizing element
01/09/1992WO1992000549A1 Multichannel analogue detection method and device
01/09/1992WO1992000509A1 Spectrometers
01/09/1992WO1991014157A3 Acousto-optic tunable double-beam spectrometer
01/08/1992EP0465350A1 Dispersive spectrometer with multichannel detection