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)
10/1991
10/31/1991WO1991016617A1 Method and apparatus for examining an object
10/31/1991WO1991016616A1 High pressure fluid sample flow cell with circumferential window edge seal
10/31/1991WO1991016615A1 Sample flow cell with circumferentially uniform radial flow pattern at its entrance and/or exit ports
10/31/1991WO1991016600A1 Ellipsometer
10/31/1991WO1991015992A1 Method and apparatus for measuring the concentration of absorbing substances
10/31/1991DE4013713A1 Optical bio-sensor with Langmuir-blodgett film contg. fluorescent dye
10/31/1991DE4013422A1 Illumination set=up for three-channel colour temp. measuring appts. - selects narrow separated spectral ranges using two narrow band filters and measures their energy content
10/31/1991DE4013421A1 Illumination optics for remission measuring appts. - concentrates light beam from halogen lamp in mantle surfaces and deflects by 45 deg. onto measuring spot
10/31/1991DE4013211A1 Ellipsometer Ellipsometer
10/31/1991CA2040642A1 Surface modification detector system
10/30/1991EP0454561A1 Apparatus for controlling the continuity of a joint-forming adhesive ribbon
10/30/1991EP0454499A2 Method for evaluating a lithium niobate thin film and apparatus for preparing the same
10/30/1991EP0454488A2 Apparatus for detecting fluorescence of a luminescent material
10/30/1991EP0454124A1 Optical dispersion evaluation system
10/30/1991EP0453977A2 Method and process for optical inspection of test objects
10/30/1991EP0453946A2 Method of focusing optical head on object body and optical inspection system comprising an automatic focusing device
10/30/1991EP0453880A2 Method for optically inspecting of test objects
10/30/1991EP0453830A2 Scanning densitometer
10/30/1991EP0453797A2 Infrared ray moisture meter
10/30/1991EP0453599A1 A blood gas parameter measuring system
10/30/1991EP0438417A4 Inspection of container finish
10/30/1991CN1055818A Vertical-horizontal quadrature laser scattering speckles photo-graphy and the apparatus thereof
10/30/1991CN1014548B Hydrogen sulfide analyzer using tape-photometry
10/29/1991US5061857 Waveguide-binding sensor for use with assays
10/29/1991US5061854 Short scan passive infrared remote sensor
10/29/1991US5061853 Sample plate liquid scintillation counter
10/29/1991US5061634 Mixing with reagent capable of producing turbidity
10/29/1991US5061633 Fluoroassay
10/29/1991US5061632 Capillary tube hemoglobinometer and oximeter
10/29/1991US5061446 Device for performing biological analyses by immunoenzymatic detection of antibodies or antigens in a serum
10/29/1991US5061445 Computerized
10/29/1991US5061381 Distribution of separated plasma into differnt test wells with in centrifugal rotor for testing without transferring
10/29/1991US5061361 Capillary zone electrophoresis cell system
10/29/1991US5061076 Time-resolved fluorometer
10/29/1991US5061075 Optical method and apparatus for diagnosing human spermatozoa
10/29/1991US5061074 Apparatus for inspecting both sides of tape or sheet
10/29/1991US5061072 Differential ellipsometer
10/29/1991US5061070 Particulate inspection of fluids using interferometric light measurements
10/29/1991US5061068 Process for detection of sub-micron particulate contamination on a bare (planar) substrate
10/29/1991US5061065 Particle contamination detection in fluids through the external section of a laser
10/29/1991US5061026 Light rod assembly for spark detection system
10/29/1991US5060572 Continuous drier on rotary offset printing presses and operation of such a drier during the printing and cylinder washing processes with the web running
10/29/1991US5060508 Gas sample chamber
10/29/1991US5060505 Non-dispersive infrared gas analyzer system
10/29/1991CA1291345C Fluorescence detection apparatus for immunoassay
10/24/1991DE4109469A1 Absorption and laser stability tester for optical layers - uses oscillating quartz sensor elements of crystalline quartz and metal layer electrodes
10/24/1991DE4109182A1 Sample evaluation system using thermal expansion deformation - using optical interference between reflected stimulation beam and reference beam with different frequency
10/24/1991DE4026525A1 Determining suspension stability
10/24/1991DE4012372A1 Illumination set=up for high contrast display of embossed characters - uses flat or long light source with beam directed to fall in parallel along sections of raised or sunk signs
10/23/1991EP0453297A2 Thermal detection arrangement
10/23/1991EP0453228A2 Fiber optic interferometric chemical sensor
10/23/1991EP0453225A1 Method and apparatus for detecting trace contaminants
10/23/1991EP0453104A2 A method and apparatus for measuring a carrier lifetime of IV group semiconductor
10/23/1991EP0453036A2 Analytical instrument and method of calibrating an analytical instrument
10/23/1991EP0452905A1 Method and apparatus for inspecting surface pattern of object
10/23/1991EP0452769A1 Monitoring printing and cutting quality in a production plant for making packages
10/23/1991EP0452740A1 Test device to analyse fluids
10/23/1991EP0452439A1 Single-use biosensor for detecting antigen/antibody bonds in whole blood for use as an anti-hiv confirmatory test with verbal result on a liquid crystal display
10/23/1991CN1055603A Determination of nitrite radical ions
10/23/1991CN1014471B Method of density calibration and apparatus therefor
10/23/1991CN1014456B Method of discriminating between contaminated and uncontaminated containers
10/23/1991CN1014455B Method and apparatus for emission spectroscopic analysis of sample
10/22/1991US5060281 Method and apparatus for detecting disparity of cyclic length of printed patterns
10/22/1991US5060276 Technique for object orientation detection using a feed-forward neural network
10/22/1991US5060065 Apparatus and method for illuminating a printed circuit board for inspection
10/22/1991US5059811 Turbidimeter having a baffle assembly for removing entrained gas
10/22/1991US5059790 Reservoir fiber optic chemical sensors
10/22/1991US5059397 Infrared, qualitative analysis of carbon dioxide concentration in air; stability, accuracy, minimal noise
10/22/1991US5059396 Arrangement for optical measuring of concentration of substances
10/22/1991US5059394 Analyte migrates through porous matrix which has been impregnated with reagent; reflectance measurement
10/22/1991US5059031 High-speed optical testing of objects
10/22/1991US5059026 Interferometric device having a controllable Fabry-Perot
10/22/1991US5059025 Spectrophotometer
10/22/1991US5059024 Tristimulus color evaluation sample cup
10/22/1991US5059023 Angular deviation measurement system
10/22/1991US5058982 Illumination system and inspection apparatus including same
10/22/1991US5058587 Probe for optical sensor
10/22/1991US5058368 Harvesting of delicate produce
10/22/1991CA1291249C Matching method and device for automatic cutting of patterned fabrics
10/22/1991CA1291243C Sheet inspection station with pneumatic sheet guide
10/22/1991CA1291029C Biological diagnostic device
10/22/1991CA1290958C Channel device and tube connection and their fabrication procedures
10/21/1991CA2039007A1 Fiber-optic interferometric chemical sensor
10/17/1991WO1991015762A1 Process and apparatus for analysis of hydrocarbons by near-infrared spectroscopy
10/17/1991WO1991015751A1 Method of improving assay sensitivity
10/17/1991WO1991015731A1 Process and device for measuring and/or checking the contours or edges of workpieces
10/17/1991DE4004141C1 Scanning optical quality control device - with series of individual lenses deflecting reflected and/or dispersed light onto opto-electronic sensor
10/16/1991EP0452095A1 Dispersive holographic spectrometer
10/16/1991EP0451981A2 Disposable reagent unit
10/16/1991EP0451719A1 Device for identifying at least one gaseous component in a gaseous or liquid sample, and identification method
10/16/1991CN1055424A Colorimetic method for continue controlling impurity in alumina hydrate
10/15/1991WO1991016626A1 Slides for use in the analysis of liquids
10/15/1991US5058178 Method and apparatus for inspection of specular, three-dimensional features
10/15/1991US5057695 Method of and apparatus for measuring the inside information of substance with the use of light scattering
10/15/1991US5057691 Dilution material, filter and accessory for measuring infrared spectra
10/15/1991US5057431 Device for optical measuring of physical dimensions and material concentrations
10/15/1991US5057413 Method for discriminating between intact and damaged cells in a sample
10/15/1991US5057280 Test tube, photoelectric sampling and optical imaging
10/15/1991US5057279 Using fiber optics
10/15/1991US5057277 Filler, radiative material and modifier
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