Patents for G01J 3 - Spectrometry; Spectrophotometry; Monochromators; Measuring colours (33,177)
01/1994
01/04/1994US5276500 Interferometer device, in particular a stellar interferometer device, incorporating a delay line
01/04/1994US5276499 Spectrophotometer
01/04/1994US5276321 Airborne multiband imaging spectrometer
01/04/1994US5275566 Color distinguishing card set
12/1993
12/29/1993EP0575712A2 Spectrophotometric blood analysis
12/29/1993CN2151455Y Reflective infrared polarized parameter tester
12/28/1993US5274438 Can-measuring densitomer
12/28/1993US5274435 Grating monochromators and spectrometers based on surface normal rotation
12/28/1993CA1325583C Visual analytical tracer and method for detection and quantitative analysis for water treatment chemicals
12/28/1993CA1325529C Standardization of spectral lines
12/23/1993WO1993026033A1 Method for scanning photodiodes
12/23/1993WO1993025894A1 Process for calibrating an image processing system
12/23/1993WO1993025890A1 Multicomponent analysis of ft-ir spectra
12/23/1993WO1993025877A1 Use of vanadium oxide in microbolometer sensors
12/23/1993WO1993025876A1 Optical spectrophotometer having a multi-element light source
12/23/1993WO1993025875A1 Radiation detector and measuring equipment for ultra-violet radiation
12/23/1993DE4218971A1 Verfahren zur Kalibrierung eines Bildverarbeitungssystems Method for calibrating an image processing system
12/22/1993CN1079820A Fabry-Perot with coated mirrors
12/21/1993US5272518 Colorimeter and calibration system
12/21/1993US5272345 Calibration method and apparatus for measuring the concentration of components in a fluid
12/21/1993US5272332 Laser discrimination device
12/15/1993EP0574170A1 Unitary mirror and mirror system for infrared spectrometers and the like
12/15/1993EP0573428A1 Detection and control of aromatic compounds in combustion effluent
12/14/1993US5270790 Moving reflector driving part of a Michelson inteferometer
12/14/1993US5270540 Monitor calibrator housing and mounting bracket
12/14/1993US5270536 Method of using DC photocurrent measurements to sense wavelength or color of light or to characterize semiconductor materials
12/11/1993CA2070847A1 Multicomponent analysis of ft-ir spectra
12/09/1993WO1993024074A1 Device for the preparation of a given quantity of a dental restoration material
12/08/1993EP0573309A1 System and method for processing optical signals
12/08/1993EP0572705A1 Method and device for making colour separations of a multicolour pattern
12/07/1993US5268754 Method and a device for converting a color coordinate set
12/07/1993US5268745 Light radiation absorption gas detector
12/07/1993US5268737 Method and apparatus for calibrating a spectrophotometer
11/1993
11/30/1993US5267178 Photometric process and computer controlled photometer
11/30/1993US5267019 Method and apparatus for reducing fringe interference in laser spectroscopy
11/30/1993US5267010 Laser radar device
11/30/1993US5266792 Temperature compensated optical detector
11/30/1993CA1324818C Blood constituent monitoring apparatus and methods with frequency division multiplexing
11/25/1993DE4216653A1 Paper machine - has dual detectors in the drying range to sense a break in the paper
11/24/1993EP0571022A1 Fabry-perot with coated mirrors
11/23/1993US5264957 Acoustic-optic dispersive light filter
11/23/1993CA1324502C Portable spectrophotometer
11/23/1993CA1324501C Dual beam multichannel spectrophotometer
11/20/1993CA2096455A1 Fabry-perot with coated mirrors
11/18/1993EP0570243A1 Wavelength measuring device and laser apparatus equipped with the device
11/18/1993EP0570124A1 Integrated nonlinear waveguide spectrometer
11/18/1993EP0570003A2 Rendering apparatus, multispectral image scanner, and three-dimensional automatic gonio-spectrophotometer
11/18/1993DE4215871A1 Michelson interferometer for Fourier transform spectrometry - has transparent plate mounted on rotary shaft at angle to normal and supporting opposing ring-shaped mirror surfaces between which beam is reflected from and to divider-combiner in opposite directions.
11/16/1993US5262961 Method for monitoring and controlling a chemical process
11/16/1993US5262845 Optical accessory for variable angle reflection spectroscopy
11/16/1993US5262840 Multispectral reflectometer
11/16/1993US5262644 Remote spectroscopy for raman and brillouin scattering
11/16/1993US5262635 Techniques for correcting non-linearity in a photodetector using predefined calibration information
11/16/1993CA2095472A1 Wavelength measuring device and laser apperatus equipped with the device
11/11/1993WO1993022655A1 Acousto-optic tunable filter-based surface scanning system and process
11/11/1993WO1993022636A1 Monochromator
11/11/1993WO1993021794A1 Method for making up the face, especially the eyes, and device for carrying out said method
11/11/1993DE4214840A1 Infrared absorption spectroscopy system or White cell for simultaneous analysis of constituents of fluid - provides wall of measurement cell with mirrors and interference filters behind which are located photodiode detectors.
11/11/1993CA2134985A1 Method for making up the face, especially the eyes, and device for carrying out said method
11/11/1993CA2133307A1 Acousto-optic tunable filter-based surface scanning system and process
11/10/1993EP0569291A1 Procedure for the making-up of a face, in particular the eyes and a device for carrying out the same
11/10/1993EP0569104A1 Portable spectrophotometer
11/09/1993US5260767 Compact all-reflective imaging spectrometer
11/09/1993US5260574 Infrared densitometer
11/09/1993CA2095261A1 Portable spectrophotometer
11/09/1993CA1324069C Test sample color comparison device
11/03/1993EP0568182A1 Infrared detector of the type used in infrared spectrometers
11/03/1993EP0567994A1 Spectral band variable type radiometer
11/03/1993EP0538252A4 Technique for improving the resolution of an a/d converter in a spectrometer using dither
10/1993
10/28/1993WO1993021548A1 Optical component comprising prisms and a grating
10/27/1993EP0567274A1 Hollow cathode discharge tube
10/27/1993EP0463019B1 A method for distinguishing overlapping absorption bands of an infrared spectrum from one another
10/27/1993EP0408697B1 Device for point-by-point measurement of coloured originals
10/26/1993US5257202 Method and means for parallel frequency acquisition in frequency domain fluorometry
10/26/1993US5257086 Optical spectrophotometer having a multi-element light source
10/26/1993US5257085 Spectrally dispersive imaging lidar system
10/20/1993EP0565776A1 Color image sensing apparatus and method
10/20/1993EP0380580B1 Multi-channel molecular gas analysis by laser-activated raman light scattering
10/19/1993US5255350 Process for computing dyeing and printing recipes in accordance with a given shade
10/19/1993US5255087 Imaging apparatus and endoscope apparatus using the same
10/19/1993US5255073 Apparatus for emitting and receiving light
10/19/1993US5255071 Photoreflectance method and apparatus utilizing acousto-optic modulation
10/19/1993US5255067 Substrate and apparatus for surface enhanced Raman spectroscopy
10/19/1993US5254978 Reference color selection system
10/19/1993CA1323207C Densitometer method and system for identifying and analyzing printed targets
10/19/1993CA1323205C Multi-channel molecular gas analysis by laser-activated raman light scattering
10/13/1993EP0565261A1 Optical devices
10/13/1993EP0565069A1 Adjustable diaphragm and manufacturing process
10/13/1993EP0564625A1 Regulated infrared source
10/13/1993CN2143771Y Measuring device for pulp whiteness
10/12/1993US5253183 Obtaining a spectrogram from a single scanning of interference fringes
10/07/1993DE4310597A1 Reference material set of dye solns. corresponing to ASTM colours - used for calibration of photoelectric colourimeters, for measuring crude oil products
10/06/1993EP0564355A1 Photoreceiver for frequency-modulated optical signals
10/06/1993EP0564157A1 Apparatus for analyzing particles
10/06/1993EP0563498A1 Multicolour printing process, especially multicolour raster silk screen printing process
10/06/1993EP0563314A1 Planar waveguide spectrograph
10/06/1993CN1077028A Method of and apparatus for object or surface inspection employing multicolor reflection discrimination
10/06/1993CN1077022A Optical multiway analyser with high spectral resolution
10/05/1993US5251275 Tunable fiber Fabry-Perot etalon optical filter
10/05/1993US5251121 Power supplies