Patents for G01J 3 - Spectrometry; Spectrophotometry; Monochromators; Measuring colours (33,177)
07/1993
07/06/1993US5225678 Spectoscopic sampling accessory having dual measuring and viewing systems
07/06/1993CA1319990C Method of transforming the light-source color data and the nonluminous object color data
06/1993
06/30/1993EP0549442A1 Method and device for determining the colour of a translucent object, such as a tooth
06/30/1993EP0548830A1 Spectrometer with spatial light modulator
06/30/1993EP0548418A1 Non-invasive determination of glucose concentration in body of patient
06/30/1993EP0383829A4 Infrared emission detection
06/29/1993US5223918 Fiber optic color balance monitor
06/29/1993US5223916 Device for discriminating variations in the magnitudes of color differences
06/29/1993US5223913 Spectrophotometer
06/29/1993US5223910 Interferometer devices, especially for scanning type multiplex fourier transform spectrometry
06/29/1993US5223715 Process for spectrophotometric analysis
06/29/1993CA1319531C Remote spectrophotometer
06/24/1993WO1993012417A1 Sensor and method for measurement of select components of a material
06/24/1993CA2085800A1 Process and device for determining the colour of a translucid object, such as a tooth
06/23/1993EP0548027A2 Apparatus for spectro photometric analysis
06/23/1993EP0547623A1 Spectroanalyzer
06/23/1993EP0547077A1 Tunable liquid-crystal etalon filter
06/23/1993CN1021370C Flying-spot type chromatoscanner
06/22/1993US5222154 System and method for spot color extraction
06/22/1993US5221959 Color discrimination data input apparatus
06/22/1993US5221957 Nonuniform holographic filter in a spectroscopic system
06/22/1993US5221920 Method for determining color tolerancing of displays
06/22/1993CA1319272C Densitometer with error correction
06/21/1993CA2084923A1 Slm spectrometer
06/17/1993DE4237268A1 Improving optical measurement stability in UV appts. for determining material characteristics - flushing optically disturbing gas, e.g. ozone produced by oxidation, from optical path using inert gas
06/17/1993DE4140988A1 Thermal light source from target - used as gas discharge lamps in optical region of electromagnetic spectrum
06/16/1993EP0546869A2 Spectro-specific diffractive elements as sources of radiation
06/16/1993EP0546148A1 Laser radar device.
06/16/1993EP0545949A1 Self-compensating focs and other chemical sensors
06/15/1993US5220403 Apparatus and a method for high numerical aperture microscopic examination of materials
06/15/1993US5220173 Pulsating infrared radiation source
06/10/1993WO1993011444A1 Spectral discrimination using temporal mapping of light pulses through optical filters
06/10/1993WO1993011424A1 Infrared chemical vapor detector and method
06/10/1993CA2125046A1 Spectral discrimination using temporal mapping of light pulses through optical filters
06/10/1993CA2125038A1 Infrared chemical vapor detector and method
06/09/1993CN1021130C Wavelength dispersion electrophoresis apparatus
06/08/1993US5218555 Method for judging a color difference using rules fuzzy inference and apparatus therefor
06/08/1993US5218553 Method for determining concentrations by means of atomic emission spectroscopy
06/08/1993US5218473 Leakage-corrected linear variable filter
06/08/1993US5218422 Interferometric analyzer for multiple substance detection
06/08/1993US5218421 Wavelength detecting apparatus
06/03/1993DE4215165A1 Miniaturised raster scanning light source, e.g. for spectral photometer - sequentially activates two or more different sources in UV to IR region by electrical switching
06/01/1993US5216727 Integrated nonlinear waveguide spectrometer
06/01/1993US5216484 Real-time imaging spectrometer
06/01/1993US5216482 Apparatus for emission spectrochemical analysis
06/01/1993US5215011 Device for scanning pale color marks on a printing machine
05/1993
05/27/1993WO1993010553A1 Technique for correcting non-linearity in a photodetector
05/27/1993WO1993010425A1 Spectroscopic sampling accessory having dual measuring and viewing system
05/27/1993DE4138418A1 Detector for measuring optical properties of CRT faceplate - uses halogen light source, optical fibres and photodiodes to detect reflected components in selected frequency bands for grey scale evaluation
05/27/1993DE4138242A1 Portable photometric device for rapid gas analysis during fires - has number of channels for simultaneous determn. of light intensity in number of wavelength regions, display elements, etc.
05/27/1993CA2122449A1 Technique for correcting non-linearity in a photodetector
05/26/1993EP0543578A1 Spectroscopic apparatus and methods
05/26/1993EP0543160A1 Optical spectrum analyzer
05/26/1993EP0542962A1 Confocal spectroscopy.
05/26/1993EP0345327B1 Wedge-filter spectrometer
05/26/1993CN1020957C Fast surface spectrum detector
05/25/1993US5214494 Light sensor with an adjustable spectral characteristic
05/18/1993US5212748 Fiber optic mixer and spectrometer
05/18/1993US5212538 Fluorescence measurement apparatus with an automatic recorder full-scale setting function
05/18/1993US5212537 Optical test apparatus
05/18/1993US5212536 Fresnel lens based spectroscopic detector
05/18/1993CA1317782C Method of measuring multicomponent constituency of gas emission flow
05/13/1993WO1993009422A1 Sensor
05/13/1993WO1993009412A1 Regulated infrared source
05/13/1993WO1993008925A1 Multiple coat measurement and control
05/13/1993DE4136536A1 Fourier spectrometer system for determining optical spectrum of radiation - uses Fourier transformation of measured optical interferogram so that measuring and reference beams produce interferogram of measured radiation to be analysed
05/12/1993EP0540966A1 Optical spectrum analyzer having double-pass monochromator
05/11/1993US5210590 Rapid scanning spectrographic analyzer
05/07/1993CA2082338A1 Fourier spectrometer arrangement and method of operating a fourier spectrometer
05/05/1993EP0539943A1 A method and apparatus for automatically calibrating a CRT display
05/05/1993EP0539642A1 Method for determining the composition of a compound color which is a mixture of basic component colors
05/04/1993US5208674 Micro-dispersion electronic camera
05/04/1993US5208651 Apparatus and method for measuring fluorescence intensities at a plurality of wavelengths and lifetimes
05/04/1993US5208648 Apparatus and a method for high numerical aperture microscopic examination of materials
04/1993
04/29/1993CA2099124A1 Regulated infrared source
04/28/1993EP0538664A2 Method and device for determining optical spectral shifts caused by physical or chemical effects
04/28/1993EP0538589A1 Infrared warning system
04/28/1993EP0538252A1 Technique for improving the resolution of an a/d converter in a spectrometer using dither.
04/27/1993US5206918 Color analysis based upon transformation to spherical coordinates
04/27/1993US5206765 Precision slit of adjustable width for a spectral instrument
04/27/1993US5206708 Apparatus for the simultaneous detection of ranges of wavelengths
04/27/1993US5206707 Apparatus for the analysis of print control fields
04/27/1993US5206701 Apparatus for near-infrared spectrophotometric analysis
04/27/1993US5206176 Detection and control of aromatic compounds in combustion effluent
04/27/1993CA1316706C Dynamic light scattering apparatus
04/21/1993EP0538022A1 Optical detecting apparatus
04/21/1993EP0407519B1 Interferometry device for fourier transform multiplex spectro-imaging apparatus and spectro-imaging apparatus containing the same
04/21/1993EP0318499B1 Compact optical wavelength discriminator radiometer
04/15/1993WO1993007470A1 Analyzer
04/15/1993WO1993007454A1 Gas analysis system having buffer gas inputs to protect associated optical elements
04/15/1993WO1993006944A1 Optics for a colour-sorting machine and a sorting method using these optics
04/15/1993CA2119028A1 Gas analysis system having buffer gas inputs to protect associated optical elements
04/14/1993EP0537054A2 Spectrometer
04/14/1993EP0536727A1 Multispectral sensor
04/13/1993US5202959 Color measurement
04/13/1993US5202686 Infrared fourier transformation spectometer with plural analog-to-digital converters and interleaved amplification factors
04/13/1993CA1316022C Real-time color comparator
04/13/1993CA1316011C Vertical beam spectrophotometer
04/10/1993CA2079515A1 Multispectral sensor
04/07/1993EP0535753A2 Device for spectrometry with spectral band filtering