Patents
Sitemap › G01 - Measuring; Testing › G01N - Investigating or analysing materials by determining their chemical or physical properties › G01N 21 - Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible, or ultra-violet light
Patents for G01N 21 - Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible, or ultra-violet light (181,396)
11/1993
11/11/1993WO1993022659A1 Method and system for detection of defects on the surface of a wood article
11/11/1993WO1993022658A1 Shadowless spherical illumination system for use in an article inspection system
11/11/1993WO1993022657A2 Luminometer with reduced sample crosstalk
11/11/1993WO1993022656A1 Colorimetric measurement device
11/11/1993WO1993022655A1 Acousto-optic tunable filter-based surface scanning system and process
11/11/1993WO1993022654A1 Carbon particulate monitor
11/11/1993WO1993022453A1 Test article and method for performing blood coagulation assays
11/11/1993DE4313368A1 Measurement of metal constituents in combustion gases - from light emission of gas in plasma flame
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.
11/11/1993DE4214161A1 Feeding and positioning system for cuvette within analyser - has transport channel with spring latching units in side walls at height corresp. to latching recesses in cuvettes.
11/11/1993CA2133307A1 Acousto-optic tunable filter-based surface scanning system and process
11/10/1993EP0569104A1 Portable spectrophotometer
11/10/1993EP0568920A1 Inductively coupled plasma generator
11/10/1993EP0568652A1 Waveguide sensor
11/10/1993EP0568628A1 Time and frequency domain spectroscopy determining hypoxia
11/10/1993EP0568596A1 Method and apparatus for multi-dimensional phase fluorescence lifetime imaging
11/09/1993US5260779 Method and apparatus for inspecting a printed circuit board
11/09/1993US5260772 Method and apparatus for determining a material's characteristics by photoreflectance
11/09/1993US5260766 Apparatus for detection of an imperfect seal and method therefore
11/09/1993US5260764 Optical particle analyzing apparatus having two types of light source
11/09/1993US5260763 Instrument for observing jewels' brilliance as diamond, and method of taking photographs with said instrument
11/09/1993US5260598 Device for separation of media into their components having means for detection and adjustment of the phase boundary
11/09/1993US5260584 Instrument for measuring reflective properties of paper and other opaque materials
11/09/1993US5260583 Method and apparatus for detecting edge cracks
11/09/1993US5260574 Infrared densitometer
11/09/1993US5260154 Evaluating photolithographic exposures
11/09/1993US5260029 Fluorescence detection of DNA bases
11/09/1993US5260026 From phosphorus and chlorine; circulating sampling system, heat exchanger, laser Raman spectrometer, optrode with laser light fiber conduit connected to laser and fiber light conduits connected to spectrometer, probe head on optrode
11/09/1993US5259381 Apparatus for the automatic calibration of signals employed in oximetry
11/09/1993US5259254 Sample introduction system for inductively coupled plasma and other gas-phase, or particle, detectors utilizing ultrasonic nebulization, and method of use
11/09/1993CA2095261A1 Portable spectrophotometer
11/09/1993CA1324145C Derivatives of 4-nitrobenz-2-oxa-1,3-diazole as fluorescent tracer compounds
11/09/1993CA1324069C Test sample color comparison device
11/09/1993CA1324066C Simultaneous assay for calcium and phosphorus
11/09/1993CA1324065C Method and test composition for determination of enzyme activity
11/09/1993CA1323996C Portable particle analysers
11/09/1993CA1323995C Particle asymmetry analyser
11/04/1993DE4214572A1 Hollow ceramic body for use in spectroscopic analysis of corrosive fluids - having sapphire windows for transmitting light sealed onto ceramic body by green sintered ceramic foil
11/03/1993EP0568461A1 Method and apparatus for non-contact, rapid and continuous moisture measurements
11/03/1993EP0568460A1 Method and apparatus for non-contact and rapid identification of wood species
11/03/1993EP0568274A1 Method and compositions for manufacture of chemical sensors
11/03/1993EP0568194A1 Method for determination of interstitial oxygen concentration by infrared absorption
11/03/1993EP0568193A2 Method and apparatus for determining particle response characteristics of a device
11/03/1993EP0567920A1 Atomic absorption spectrophotometer
11/03/1993EP0567916A1 Inspection of transparent containers
11/03/1993EP0567893A1 Apparatus for supplying cuvettes separately to an automatic analyser
11/03/1993EP0567892A1 Processing station for performing fluorescence polarisation measurements in an analyser
11/03/1993EP0567791A1 Smoke and vapour detector for microwave oven
11/03/1993EP0567701A1 Inspection method and apparatus
11/03/1993EP0567624A1 Spark-excited fluorescence sensor
11/03/1993EP0478596B1 Process for the preparation of samples for chemical analysis of liquids by infrared spectroscopy of dry extract and devices for this purpose
11/03/1993EP0312580B1 System for monitoring and analysis of a continuous process
11/03/1993CN2145381Y X-ray fluorescence analyser using X-ray lens
11/02/1993US5258825 Optical compositional analyzer apparatus and method for detection of ash in wheat and milled wheat products
11/02/1993US5258620 Method and apparatus for determining the constituents of dairy products
11/02/1993US5258616 Optical distribution system incorporating an improved absorbance-based optical fiber sensor
11/02/1993US5258612 Method of performing pump/probe experiments
11/02/1993US5258363 Superconducting integrating spheres
11/02/1993US5258315 Process and composition for the removal of turbidity from biological fluids
11/02/1993US5258308 Tubes with residue of dried chromogen and wetting agent
11/02/1993US5258285 Method for detection of bacterial concentration in a sample
10/1993
10/31/1993CA2093481A1 Processing station for carrying out fluorescence polarization measurements in an analyzer
10/28/1993WO1993021640A1 Support plate inspection device
10/28/1993WO1993021528A1 Lipid membrane sensors
10/28/1993WO1993021525A1 A method for detecting nitric oxide, nitrosonium equivalents, s-nitrosothiols and s-nitroso-proteins in biological systems
10/28/1993WO1993021515A1 Process and device for measuring the concentration of a detector gas in a measuring gas containing an interfering gas
10/28/1993WO1993021514A1 Disposable optical cuvette
10/28/1993WO1993021513A1 Fiber optic sensor, apparatus, and methods for detecting an organic analyte in a fluid or vapor sample
10/28/1993WO1993021337A1 Gustducin materials and methods
10/28/1993WO1993020939A1 Analytical cartridge and system for detecting analytes
10/28/1993DE4313603A1 Automatic optical blood analyser using immunological agglutination - verifies characteristic pattern obtd. from blood sample to detect foreign particles and to stop or restart process depending upon detection.
10/28/1993DE4312590A1 Infrared soiling or icing indicator for vehicle windscreen - evaluates intensity-modulated IR beam reflected from windscreen to photodetector with daylight filter to initiate warning or activate e.g. windscreen cleaning.
10/28/1993DE4213235A1 Gas or vapour concn. measurement using fluorescence measuring device - with detection of light emitted by fluorescent reagent in measuring and reference sensor for error elimination
10/28/1993DE4213180A1 Optical inspection of tablets esp. nuclear fuel pellets
10/28/1993DE4213051A1 Verfahren und Anordnung zum Messen der Konzentration eines Nachweisgases in einem ein Störgas enthaltenden Meßgas Method and apparatus for measuring the concentration of a detection gas in a sample gas containing an interferent
10/28/1993CA2111838A1 Fiber optic sensor, apparatus, and methods for detecting an organic analyte in a fluid or vapor sample
10/28/1993CA2093592A1 Method and compositions for manufacture of chemical sensors
10/28/1993CA2093482A1 Inspection of transparent containers
10/27/1993EP0567447A1 Sensor arrangement for the direct or indirect determination of the physical or chemical parameter
10/27/1993EP0567274A1 Hollow cathode discharge tube
10/27/1993EP0567232A2 Detection of bacteria in blood culture bottles by time-resolved light scattering and absorption measurement
10/27/1993EP0567231A2 Methods and apparatus for detecting biological activities in a specimen
10/27/1993EP0567230A2 Methods and apparatus for detecting microorganisms in blood culture vials
10/27/1993EP0567093A2 Automatic analyzing apparatus
10/27/1993EP0567067A1 Cartridge for storing dry analytical film slides
10/27/1993EP0566948A1 Improved method for marking plastics
10/27/1993EP0566902A1 Method of monitoring and controlling corrosion inhibitor dosage in aqueous systems
10/27/1993EP0566657A1 Simultaneous multiple angle/multiple wavelength ellipsometer and method
10/27/1993EP0513013B1 Method for inspecting density of carbon fibers in a substrate by infrared imaging
10/27/1993EP0463019B1 A method for distinguishing overlapping absorption bands of an infrared spectrum from one another
10/27/1993EP0406383B1 Control means for web scanning apparatus
10/27/1993EP0375744B1 A method to measure the angle of incidence for radiation and a detector to carry out the method
10/27/1993EP0345297B1 Aperture image beam splitter
10/27/1993CN2144757Y Infrared electric torch
10/26/1993US5257338 Device for transmitting and returning light and apparatus and method of manufacture
10/26/1993US5257325 Electronic parallel raster dual image registration device
10/26/1993US5257212 Normalizing analyzer systems to a standard analyzer
10/26/1993US5257202 Method and means for parallel frequency acquisition in frequency domain fluorometry
10/26/1993US5257092 Apparatus for measuring polarization and birefringence
10/26/1993US5257085 Spectrally dispersive imaging lidar system
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