Patents for G01J 3 - Spectrometry; Spectrophotometry; Monochromators; Measuring colours (33,177)
09/1992
09/02/1992EP0500879A1 Colorimeter
09/02/1992EP0500829A1 A high performance absorbance detector with flashlamp and compact folded optics system.
09/01/1992US5144498 Variable wavelength light filter and sensor system
09/01/1992US5144374 Optical spectroscopy system
09/01/1992US5143212 Gemstone color communication kits
08/1992
08/26/1992EP0340279B1 Uv scanning system for centrifuge
08/25/1992US5142414 Electrically actuatable temporal tristimulus-color device
08/25/1992US5141609 Method and device employing time-delayed integration for detecting sample components after separation
08/25/1992US5141323 Color measurement system
08/25/1992US5141314 Spectroanalytical system
08/25/1992CA1306632C Spectroscope apparatus and reaction apparatus using the same
08/20/1992WO1992014233A1 Dual function contrast indicating arrangement in photoelectric sensing systems
08/20/1992DE4203587A1 Quantitative spectral analytical processes - e.g. for analysing exhaust gas from methanol-driven automobile
08/19/1992EP0499074A2 Polarization interferometer with narrow band filter
08/19/1992CN1063760A Optical fibre transmission photo-electronic directly reading spectrograph
08/18/1992US5139335 Holographic grating imaging spectrometer
08/18/1992US5139329 Standard samples and methods of instrumental measurement of saybolt color of petroleum products using said samples
08/12/1992EP0498644A1 High sensitive multi-wavelength spectral analyzer
08/12/1992EP0498200A1 Addressable wedge etalon filter
08/12/1992EP0274531B1 Imaging spectrometer
08/12/1992CN1063569A Chromatographic data processor with chinese charactor microcomputer
08/11/1992US5137364 Optical spectral analysis apparatus
08/06/1992WO1992013258A1 On-line process control monitoring system
08/05/1992EP0497747A2 An electronic device for colour shade or colour difference detecting
08/05/1992EP0497434A2 A dual beam full spectrum multichannel spectrophotometer
08/04/1992US5136168 Atomic resonance filter detector employing inert buffer gas
08/04/1992US5136154 Method and system for photoconductive detector signal correction
08/04/1992US5135305 Spectroanalytical system
08/04/1992US5135304 Gas analysis system having buffer gas inputs to protect associated optical elements
08/04/1992CA1305879C Color signature sensor
07/1992
07/29/1992EP0496662A1 Interferometric device, especially stellar interferometer, with a delay line
07/28/1992US5134302 Method and means for generating synthetic spectra allowing quantitative measurement in near infrared measuring instruments
07/28/1992US5133598 Command servo for moving mirror of Michelson interferometer
07/23/1992CA2059084A1 Interferometer device, in particular a stellar interferometer device, incorporating a delay line
07/22/1992EP0495569A2 Stray light trap in a monochromator
07/22/1992EP0495413A1 Light detecting apparatus having a diffraction grating
07/22/1992EP0494883A1 Process and device for fabry-perot spectroscopy.
07/22/1992CN2110865U Sample thermostat for spectrophotometer
07/21/1992US5131747 Interferometry device for fourier transform multiplex spectro-imaging apparatus and spectro-imaging apparatus containing the same
07/21/1992US5131746 On-line process control monitoring system
07/21/1992US5131742 Acousto-optic spectrometer/polarimeter
07/16/1992DE4100789A1 Adjustable of colorimeter of rotary printing machine esp. offset unit - adjusting regulating elements individually according to colour zones for colour roller and computing mean value from updated actual values of each zone
07/15/1992EP0494524A2 Monitoring device
07/15/1992CN1017488B Infrared receiver with electric colour split
07/15/1992CN1017473B Double-ball cavity practical standard black body
07/14/1992US5130546 Reduction of undesired hyperfine line absorption in optical resonance filters
07/14/1992US5129726 Apparatus for color control of objects
07/14/1992CA1305233C Remote sensing system
07/14/1992CA1304955C Method of measuring viscosity of a body
07/09/1992WO1992011516A1 Spectrometer
07/09/1992DE4100478A1 Light spectrum measurement system for visible UV and VUV light - comprises spectrograph, optical fibre bundle and detector, and produces rectangular cross=section image for detection by CCD camera
07/09/1992DE4100170A1 Colour matching desk for visual and measuring quality control of printed sheets - has X=Y control deflecting projector so that light beam covers while sheet area rapidly and photoelectric scanner supplying evaluating unit
07/08/1992EP0493777A2 Microscopic spectrometer
07/08/1992EP0493524A1 Soil test apparatus
07/07/1992US5128798 Addressable wedge etalon filter
07/07/1992US5128797 Non-mechanical optical path switching and its application to dual beam spectroscopy including gas filter correlation radiometry
07/07/1992US5128710 Instrument for the point-by-point measuring of color originals to be copied
07/07/1992US5128549 Stray radiation compensation
07/07/1992US5128514 Black radiator for use as an emitter in calibratable gas sensors
07/07/1992US5127728 Compact prism spectrograph suitable for broadband spectral surveys with array detectors
07/01/1992EP0492225A2 Device with two laserdiodes for the generation of light with two wavelengths
06/1992
06/30/1992US5125963 Metallurgical controlling method
06/30/1992US5125743 Instrument for measuring solar magnetic fields
06/24/1992EP0491435A2 Interferometer
06/24/1992EP0491131A1 Color measurement device and calibration system
06/24/1992CN2108288U Rotary scan interferometer
06/23/1992US5123745 System for visually determining the hue and value of paint
06/23/1992US5123744 System and method for detection and identification of laser wavelengths
06/23/1992US5123740 Stray light trap in a monochrometer
06/23/1992CA1303861C Metallurgical controlling method
06/22/1992WO1992011517A1 Planar waveguide spectrograph
06/22/1992CA2098832A1 Planar waveguide spectrograph
06/17/1992EP0490428A2 Spectrometer with multichannel detection
06/17/1992CN1062037A Two-beam interferometer
06/16/1992US5122651 Device for measuring luminance of fluourscent screen of cathode ray tube
06/11/1992WO1992009881A1 Powder fiber optic probe in nir optical analyzing instrument
06/11/1992DE4038354A1 ART measurement probe, esp. for infrared spectroscopy - has single fibre forming light inlet, outlet and sensor,
06/10/1992EP0489286A2 Diode line spectrometer
06/09/1992US5121239 Filter having adjustable spectral transmittance function
06/09/1992US5120965 Apparatus and method for inverse photoemission
06/09/1992US5120961 High sensitivity acousto-optic tunable filter spectrometer
06/09/1992US5120126 System for non-contact colored label identification and inspection and method therefor
06/09/1992US5119815 Apparatus for determining the concentration of a tissue pigment of known absorbance, in vivo, using the decay characteristics of scintered electromagnetic radiation
06/09/1992CA1303149C Optical fiber device for generating light pulses
06/03/1992EP0343187B1 Dynamic light scattering apparatus
06/02/1992US5118926 Device for separating a beam of white light into a plurality of elementary beams of particular color
06/02/1992US5118183 Measuring color characteristics
05/1992
05/27/1992EP0487143A2 Spectrometer
05/27/1992CN2105765U High quality hollow cathode lamp
05/27/1992CN2105681U Temperature compensation type optical frequency division multiple detector
05/27/1992CN2105680U Straight strip double chamber black body
05/27/1992CN1016814B Rapid colorimetric estimation and automatic measuirng device of total cyanogen
05/26/1992US5117150 Interference filter for deuterium lamp for spectral analyzers
05/26/1992US5117101 Tristimulus color recognition system with means for compensating for variations in light source color
05/26/1992US5116133 Apparatus for and method of identifying spectrally pure optical radiation
05/26/1992US5116123 Method for operating a photodiode array spectrometer and photodiode array spectrometer
05/26/1992CA1301470C Spectrometers
05/21/1992DE4106627A1 Process and portable assembly for multichannel metal UV spectroscopy
05/20/1992EP0486030A2 Fraction purity measuring apparatus for chromatogram peak
05/20/1992CN1016737B Multi-channel test data processing apparatus for liquid colour spectrum