Patents for G01J 3 - Spectrometry; Spectrophotometry; Monochromators; Measuring colours (33,177)
09/1999
09/07/1999US5949544 Methods and apparatus for performing very rapid scan spectrometry using a balanced mirror assembly driven at the resonance frequency
09/07/1999US5949543 Monolithic optical assembly and associated retroreflector with beamsplitter assembly
09/07/1999US5949541 Spectrophotometer system
09/07/1999US5949540 Optical measuring device, and spectroscopic light equipment and photodetector suitable therefore
09/07/1999US5949532 Apparatus for determining diffusion parameters
09/07/1999US5949480 Broad band imaging spectroradiometer
09/07/1999US5949082 Ceramic radiation source assembly with metalized seal for gas spectrometer
09/07/1999US5949074 Imaging spectroradiometer
09/07/1999US5947906 Apparatus for enhanced visual venous examination
09/07/1999US5947029 Method for assessing the quality of a multi-color print image
09/02/1999WO1999044089A1 Confocal microscopy with multi-spectral encoding
09/01/1999EP0939323A1 Wollaston prism and use of it in a fourier-transform spectrometer
09/01/1999EP0939316A2 Method and apparatus for measuring the concentration of especially sugar in fruits and vegetables
09/01/1999EP0939310A2 Blackbody lamp reference compensation algorythm using a single silicon photodiode
09/01/1999EP0885383A4 Holographic gas analyzer
09/01/1999EP0778939A4 Advanced synchronous luminescence system
09/01/1999CN1227631A Interferometer and method for compensation of dispersion or increase in spectral resolution of such an interferometer
08/1999
08/31/1999US5946131 Microscope aperture control
08/31/1999US5946128 Grating assisted acousto-optic tunable filter and method
08/31/1999US5946114 Optical filtering device and application to a liquid crystal projector
08/31/1999US5946098 Optical elements for use in spectroscopic ellipsometer and polarimeter systems
08/31/1999US5946090 Spectrometric method and apparatus for spectrometry
08/31/1999US5945675 Methods of screening for a tumor or tumor progression to the metastatic state
08/31/1999US5945112 Spectrophotometrically measuring the customer's normal skin to obtain coloration values of lightness, redness and yellowness, thereafter normal skin coloration value are converted through calculation to modified value
08/26/1999WO1999031461A8 Apparatus and method for real-time spectral alignment for open-path fourier transform infrared spectrometers
08/26/1999DE19807481A1 Method for investigating absorption in gas and liquid test sample
08/24/1999US5943136 Intra-cavity total reflection for high sensitivity measurement of optical properties
08/24/1999US5943128 Grating-based optical probe
08/24/1999US5943122 Integrated optical measurement instruments
08/24/1999US5942755 Infrared optical gas-measuring system
08/19/1999WO1999041578A1 Colorimeter and assay device
08/19/1999WO1999041577A1 Radiation source assembly and transducer for analyzing gases or other substance
08/19/1999WO1999023466A3 Apparatus and methods for measuring fluorescence polarization
08/19/1999DE19905714A1 Microscope spectroscope for observation of emission, scatter or absorption spectra of microscopic samples
08/19/1999DE19806035A1 Determination of effectiveness of irradiation wavelength(s) in light-driven reaction(s) in probe position(s)
08/19/1999DE19804279A1 Verfahren zur zeitaufgelösten Messung von Energiespektren molekularer Zustände und Vorrichtung zur Durchführung des Verfahrens A method for time-resolved measurement of energy spectra of molecular states and apparatus for carrying out the method
08/18/1999EP0935679A1 Method for chromosome classification by decorrelation statistical analysis and hardware therefore
08/17/1999US5940580 Method and apparatus for simulating color print
08/17/1999US5940183 In a detecting station useful in an analyzer
08/17/1999US5940182 Optical filter for spectroscopic measurement and method of producing the optical filter
08/17/1999US5939726 Infrared radiation source
08/17/1999US5939721 Systems and methods for processing and analyzing terahertz waveforms
08/17/1999US5938617 For testing a sample
08/12/1999WO1999040413A1 Method for time-resolved measurement of energy spectra of molecular states and device for carrying out said method
08/12/1999WO1999040412A1 Method and apparatus to detect the presence of water on a surface
08/12/1999WO1999019824A8 Method for monitoring nitrogen status using a multi-sprectral imaging system
08/12/1999DE19846255A1 Optical spectrum analyzer
08/12/1999DE19805482A1 Optical fibre holder arrangement
08/12/1999CA2318793A1 Method and apparatus to detect the presence of water on a surface
08/11/1999EP0934501A1 A multi-wavelength reference
08/11/1999CN2333006Y Test cup of colour testing machine
08/10/1999US5936735 Apparatus and method for determining the optical retardation of a material
08/10/1999US5936731 Method for simultaneous detection of multiple fluorophores for in situ hybridization and chromosome painting
08/10/1999US5936727 Wavelength standard
08/10/1999US5935755 Method for document marking and recognition
08/05/1999WO1999039395A1 Organic diodes with switchable photosensitivity
08/05/1999WO1999039231A1 Device for simultaneously detecting several spectral ranges of a light beam
08/05/1999WO1999039165A1 Optical arrangement provided for a spectral fanning out of a light beam
08/05/1999DE19814811C1 Arrangement for surface plasmon resonance spectroscopy
08/05/1999DE19802920A1 Rotary printing press with a device for color adjustment
08/05/1999CA2319536A1 Organic diodes with switchable photosensitivity
08/04/1999EP0933624A1 Spectrometer accessories
08/04/1999EP0932829A1 Fluid analysis system and method, for analysing characteristic properties of a fluid
08/04/1999EP0932814A1 An optical wavelength scanner employing a reference system
08/04/1999EP0843831A4 Holographic optical grating and method for optimizing monochromator configuration
08/03/1999US5933792 Method of standardizing a spectrometer
08/03/1999US5933578 Method and device for determining the color appearance of color overprints
08/03/1999US5933520 Image processing apparatus
08/03/1999US5933244 Method of article identification through color determination
08/03/1999US5933243 Device for color measuring
08/03/1999US5933235 Optical spectrum analyzer and spectrometer
08/03/1999US5933234 Optical interferometer with multiple heads
08/03/1999CA2102525C Method and system for photodetector signal correction
07/1999
07/29/1999WO1999037985A1 Lens specifying device
07/29/1999DE19819192C1 Gas mixture analyzer determining oxygen and a further component, simultaneously, accurately, independently and compactly
07/29/1999DE19802781A1 Quick identification of valuable objects by digital image analysis
07/28/1999EP0932038A1 Method for classifying and arranging metallic paint colors
07/28/1999EP0931247A1 Method for calculating dye formulations of pigmented effect dyeing tones
07/27/1999US5930045 Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion
07/27/1999US5929999 Light source for tristimulus colorimetry
07/27/1999US5929998 Method for matching a colour formulation
07/27/1999US5929995 System and method for directing electromagnetic beams
07/27/1999US5929990 Fabry-perot pressure sensing system with ratioed quadrature pulse detection
07/27/1999US5929986 Synchronous spectral line imaging methods and apparatus
07/27/1999US5929985 For directing excitation light to a target
07/27/1999US5929442 Apparatus for and method of analyzing carbon isotopes
07/27/1999US5927201 Device and process for carrying through quality management
07/27/1999CA2043336C Three dimensional colour imaging
07/22/1999WO1999028714A3 Spectrometers
07/21/1999EP0930485A2 Device to detect or to create optical signals
07/21/1999EP0930481A2 Interferometer
07/21/1999EP0929830A1 Electrically adjustable optical filter
07/21/1999EP0929807A1 Method and device for measuring painted test tables
07/21/1999EP0781404A4 Compact spectrophotometer
07/21/1999EP0781401A4 Scanning colorimeter
07/21/1999CN2329961Y Optical waveguide ultramicro-fluorescent cell assembly
07/20/1999US5926773 System for identifying known materials within a mixture of unknowns
07/20/1999US5926283 Multi-spectral two dimensional imaging spectrometer
07/20/1999US5926282 Multispectral sensor device
07/20/1999US5926273 Method of measuring the absorption spectra of solutions by laser induced photothermal displacement spectroscopy