Patents
Sitemap › G01 - Measuring; Testing › G01J - Measurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infra-red, visible or ultra-violet light; Colorimetry; Radiation pyrometry › G01J 3 - Spectrometry; Spectrophotometry; Monochromators; Measuring colours
Patents for G01J 3 - Spectrometry; Spectrophotometry; Monochromators; Measuring colours (33,177)
11/1989
11/15/1989CN1037214A Wavelength dispersion electrophoresis apparatus
11/14/1989US4880978 Resonant radiation protector
11/08/1989EP0340915A2 Optical system for a multidetector array spectrograph
11/08/1989EP0340279A1 Uv scanning system for centrifuge
11/07/1989US4879468 Photoionization optical filter and detector
11/07/1989US4878977 Process for manufacturing systematic color tables or color charts for seven-color printing, and tables or charts produced by this process
11/07/1989US4878756 Method and apparatus for sensing color
11/07/1989CA1262765A1 Color panel standards sorting system
11/02/1989WO1989010550A1 A detector for fluorescence and absorption spectroscopy
11/02/1989EP0340033A2 A method of describing a color in a triaxial planar vector color space
11/02/1989EP0339850A2 Color test meter
11/02/1989EP0339303A2 Improvements relating to colour indicating devices
10/1989
10/25/1989EP0338185A2 Apparatus with an optical gas detector for measuring the concentration of gases and for monitoring them
10/25/1989CN1036636A Improvements relating to optical sensing arrangements
10/24/1989US4875773 Optical system for a multidetector array spectrograph
10/19/1989WO1989009931A1 System of fluid inspection and/or identification
10/19/1989DE3902390A1 Arrangement for simultaneous multi-element analysis for atomic absorption spectrometers
10/18/1989EP0337054A2 Interferometric arrangement
10/18/1989EP0227766B1 Method for improving the selectivity of spectrometric measurements, as well as device for implementing such method
10/18/1989CN1005504B Apparatus and method for determing color for use in fashion design
10/17/1989US4874247 Measurement position synchronization method for a scanning densitometer
10/10/1989US4873546 Color printing method and apparatus
10/10/1989CA1262261A1 Optical mixer for upconverting or downconverting an optical signal
10/05/1989WO1989009383A1 Objective color notation system
10/04/1989EP0335533A2 Method and apparatus for determining mirror position in an infrared spectrometer
10/04/1989EP0335268A2 Detector cell for liquid chromatography
10/04/1989EP0335192A2 Combined gloss and color measuring instrument
10/04/1989CN2045484U Flash spectrometer
10/03/1989US4871258 Color test meter
10/03/1989US4871244 Movable member mounting
09/1989
09/28/1989DE3907276A1 Interferometer and method for gas analysis
09/27/1989EP0334820A2 Self-focusing optical system for spectrophotometric measurements and the like, with optical fiber sensors
09/27/1989CN2045107U Reflection photometer
09/26/1989CA1261486A1 Systems for the direct analysis of solid samples by atomic emission spectroscopy
09/26/1989CA1261449A1 Monomode optical fiber reciprocal ring interometer device
09/26/1989CA1261167A1 Oxygen analysis employing absorption spectroscopy
09/26/1989CA1260288A1 System for measuring the color of a material
09/21/1989WO1989008824A1 Resonant piezoelectric chopper for infrared radiation
09/21/1989WO1989008239A3 Method to decode relative spectral data
09/20/1989EP0333286A1 Device for determining the presence of organic materials by colorimetric indication
09/20/1989EP0333099A2 Color comparison device having a bulged insertion groove for holding a test stick in a flexed condition
09/20/1989EP0333017A1 Optical method for the measurement of a concentration
09/20/1989EP0332749A2 Infra-red radiation source, especially for a gas analysis apparatus having multiple channels
09/20/1989EP0332699A1 Method and apparatus for detecting the wavelength of a laser beam
09/19/1989US4868573 Line frequency slaved voltage-to-frequency converter system
09/19/1989US4867563 Spectroradio-meter and spectrophotometer
09/19/1989US4867532 Wavelength selection device having a diffraction grating mounted on a torsion member
09/13/1989EP0332211A2 Echelle-spectrometer for exploring high resolution part spectra of an echelle spectrum
09/12/1989US4866660 Optoelectraulic devices based on interference induced carrier modulation
09/12/1989US4866644 Optical instrument calibration system
09/12/1989US4866283 Optical inspection of food products
09/12/1989US4865665 Containing aluminum, zinc, copper, lithium
09/12/1989US4865456 Measuring head
09/12/1989US4865424 Optical device with adjusting means
09/08/1989WO1989008239A2 Method to decode relative spectral data
09/06/1989EP0331629A1 Hand-held device for measuring photometric data
09/06/1989EP0331165A2 A color comparison device having a color sample-bonding wheel which permits easy removal of a color sample sticker
09/06/1989CN1035357A 荧光分光光度计 Fluorescence spectrophotometer
09/05/1989US4864578 Scannable laser with integral wavemeter
08/1989
08/31/1989DE3805995A1 Method and device for spectrometric measurement
08/30/1989EP0330183A2 Fluorescence spectrophotometer and wavelength setting method therefor
08/29/1989US4862101 System for producing spectrally pure optical pumping light
08/29/1989US4861136 Optical communication systems using fabry-perot cavities
08/24/1989DE3903296A1 Optical scanning arrangement which can be used as a gas sensor
08/23/1989EP0329061A2 A dual beam multichannel spectrophotometer with a unique logarithmic data converter
08/23/1989EP0328613A1 Metallurgical controlling method
08/22/1989US4859858 Gas analyzers
08/22/1989US4859064 Diffuse reflectance spectroscopy system and method
08/22/1989US4859063 Imaging microspectrofluorimeter
08/22/1989US4859060 Variable interferometric device and a process for the production of the same
08/16/1989EP0328483A1 Hand-held device for measuring photometric data
08/16/1989CN1034825A New-type high-performance hollow-cathode lamp
08/15/1989US4857726 Method to decode relative spectral data
08/15/1989US4856899 Optical frequency analyzer using a local oscillator heterodyne detection of incident light
08/15/1989US4856898 Adjustable echelle spectrometer arrangement and method for its adjustment
08/15/1989US4856897 Raman spectrometer having Hadamard electrooptical mask and diode detector
08/09/1989EP0327499A1 Measuring head
08/08/1989US4854658 Radiation deflector assembly
08/02/1989EP0326341A2 Optical detection and control system
08/02/1989EP0325633A1 System for measuring the size distribution of particles dispersedin a fluid
07/1989
07/25/1989US4852079 Optical spectral analyzer
07/25/1989US4851664 Narrow band and wide angle hemispherical interference optical filter
07/25/1989US4851658 Color sensor having improved uniformity of sensitivity
07/25/1989US4850709 Fabri-perot spectroscopy method and apparatus utilizing the same
07/25/1989US4850706 Low profile spectral analysis system
07/25/1989US4850697 Resonant piezoelectric chopper for infrared radiation
07/25/1989CA1257796A1 Crystalline colloidal narrow band radiation filter
07/20/1989DE3900247A1 Method and device for Fourier spectrophotometry
07/19/1989EP0324583A2 Remote sensing system
07/19/1989EP0324076A2 Multi-element optical detector
07/18/1989US4848904 Dual beam multichannel spectrophotometer with a unique logarithmic data converter
07/13/1989DE3822204C1 Method and device for gas analysis
07/13/1989DE3743584A1 Optical spectrometer
07/11/1989US4847878 Method and apparatus for determining mirror position in a fourier-transform infrared spectrometer
07/11/1989US4846930 Optical apparatus
07/05/1989EP0322654A2 Spectrometer using concave holographic diffraction grating
07/05/1989EP0322611A2 Apparatus and method for spectrophotometric analysis of a material in a moving process stream
07/04/1989US4845551 Method for correcting color photographic image data on the basis of calibration data read from a reference film
07/04/1989US4844617 Confocal measuring microscope with automatic focusing
07/04/1989US4844614 Interchangeable beam splitting holder and compartment therefor
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