Patents for G01J 3 - Spectrometry; Spectrophotometry; Monochromators; Measuring colours (33,177)
11/1986
11/19/1986CN86103402A Improved automated acousto-optic infra-red analyzer system for monitoring stack emissions
11/18/1986US4623973 Method and apparatus for the recognition of hues and colors
11/18/1986US4623434 Method of determining cathodic corrosion and displaying
11/18/1986US4623251 Method for focusing spherical holographic diffraction gratings working by reflection, and dispersive lenses and spectrometers applying this method
11/18/1986US4622845 Method and apparatus for the detection and measurement of gases
11/06/1986WO1986006476A1 Spectrometer with interferential selective amplitude modulation
11/05/1986EP0199767A1 A fluorescence imaging system.
11/04/1986US4620792 Method of simply setting expansion regions for conversion of values of colors according to xyz notation system into values of colors according to Munsell notation system
10/1986
10/28/1986US4620148 Current meter
10/28/1986US4620104 Infrared radiation source arrangement
10/28/1986US4619528 Phase resolved modulation Raman spectrometer
10/22/1986EP0198021A1 Oxygen analysis employing absorption spectroscopy
10/22/1986EP0112375B1 Method for the measurement of the difference in colour contents of samples
10/21/1986US4618260 Slit changing device for monochromator
10/09/1986WO1986005878A1 Method and apparatus for double modulation spectroscopy
10/09/1986WO1986005877A1 Absorption spectrometer with several successively activatable spectral light sources
10/08/1986EP0196789A1 Reflective objective apparatus
10/08/1986CN85101197A Apparatus for analyzing spectrum
10/07/1986US4615902 Electronically determination of identification and sorting with robot
10/07/1986US4615619 Stationary, electrically alterable, optical masking device and spectroscopic apparatus employing same
10/01/1986CN86101760A Method and apparatus for the detection and measurement of gases
09/1986
09/30/1986US4614434 Double multichromatic photometer with a single light-source and a single detector, particularly for performing chemical and clinical analyses
09/24/1986EP0195685A2 A method and apparatus for the detection and measurement of gases
09/24/1986EP0195339A2 Spectrophotometer
09/24/1986CN86100696A Apparatus for turning modulation
09/24/1986CN85102262A Ratio-recording method for double-canals physical guanlity
09/24/1986CN85102218A Method and apparatus for measuring isotopic shifting spectrum
09/23/1986US4613947 Method of measuring color difference of dyestuffs
09/23/1986US4613233 Sine bar mechanism and monochromator and spectrophotometer including such a sine bar mechanism
09/17/1986EP0194613A2 Method for the precise assembly of parts of an optical device
09/16/1986US4612440 Device for adjusting slit widths in spectrometers
09/10/1986EP0193742A2 Wavelength scanning interferometry and interferometer employing laser diode
09/10/1986EP0193718A1 Rotating modulation device
09/10/1986CN86101953A Rapid colorimetric estimation and automatic measuring device of total cyanogen
09/09/1986US4610535 Apparatus for reproducing a colored surface on a photographic emulsion
09/09/1986CA1210958A1 Spectroradiometer and spectrophotometer
09/03/1986CN85107621A Trihydroxy methylaminomethane (tam) crystal, it's growth and application in x-rays-spectroscopy
09/02/1986US4609822 Rugged interferometer
09/02/1986US4609289 Spectrometer
09/02/1986US4609286 For determining characteristics of cells
09/02/1986CA1210608A1 Interferometer spectrophotometer
08/1986
08/28/1986WO1986004987A1 Method and apparatus enabling to countertype a tint from a collection of base tints
08/27/1986EP0192200A2 Instantaneous reading multichannel polychromatic spectrophotometer method and apparatus
08/27/1986EP0192013A2 Method for measuring the concentration of a gas, and device for carrying out this method
08/26/1986CA1210507A1 Method and apparatus for measuring temperature profile with a single optical fiber
08/21/1986EP0175758A4 Electrophoretic light scattering apparatus and process.
08/14/1986WO1986004673A1 A method and a spectrometer for measuring absorbance difference spectra of radical reactions
08/12/1986US4605306 Grating monochromator
08/12/1986CA1209669A1 Process for making paints
08/05/1986US4604061 Display rack and color selection assembly
08/05/1986CA1208930A1 Frequency modulation-polarization spectroscopy method and device for detecting spectral features
07/1986
07/30/1986EP0188764A2 Optical arrangement with a concave mirror or grating
07/30/1986CN85109758A Flying-spot type chromatoscanner
07/29/1986US4603251 Device for determining the reflective characteristics of articles
07/23/1986EP0187849A1 Selective optical detector, particularly for telecommunication devices and optical locators
07/22/1986US4602342 Acousto-optic tunable filter
07/22/1986US4602243 Analog-to-digital conversion and averaging system for an optical analyzing instrument
07/22/1986US4602193 Method and apparatus for the stabilization of direct current arc lamps
07/22/1986US4602160 Infrared constituent analyzer and control system
07/22/1986US4601579 High intensity Fourier spectrometer
07/17/1986WO1986004140A1 Method and apparatus for analyzing particle-containing gaseous suspensions
07/09/1986EP0186704A1 Automatic monochromator-testing system
07/08/1986US4599001 Multispectral linear array multiband selection device
07/02/1986CN85109457A Spectral method of magnifying dispersion and spectrograph using broaden beam prism
07/01/1986US4597670 Method of measuring color difference of dyestuffs
06/1986
06/25/1986EP0185405A1 Analytical photometer, in particular multi-channel, applied to a centrifugal system adapted to perform practically simultaneous determination of the presence of different substances in a certain number of samples
06/24/1986CA1206621A1 Colour indication
06/11/1986EP0184428A2 Optics system for emission spectrometer
06/11/1986EP0183706A1 Stationary, electrically alterable, optical masking device and spectroscopic apparatus employing same.
06/10/1986US4594511 Method and apparatus for double modulation spectroscopy
06/10/1986US4594509 Infrared spectrometer
06/10/1986CN85107916A Acousto-optic dispersive light filter
06/10/1986CA1205899A2 Fiber optic energy sensor and optical demodulation system and methods of making same
06/05/1986WO1986003292A1 A spectrum-photometer device for exactly determining the colour of a dental plate and of dental pluggings
06/04/1986EP0183415A2 Photometer having image and wavelength scanning modes
05/1986
05/28/1986EP0182496A2 A method of, and apparatus for, determining colour
05/27/1986US4591721 Oxygen analysis employing absorption spectroscopy
05/27/1986US4591270 Dispersive optical device
05/27/1986US4591266 Parabolic focusing apparatus for optical spectroscopy
05/27/1986US4591241 Acousto-optical spectrum analyzer
05/20/1986US4590511 Circuit for converting the phase encoded hue information of a quadrature modulated color subcarrier into distinct analog voltage levels
05/20/1986US4590374 Infra-red light absorption gas detector
05/14/1986EP0181228A2 Improved color sensor
05/14/1986EP0181155A2 System for measuring the colour of a material
05/09/1986WO1986002730A1 A fluorescence imaging system
05/07/1986EP0180449A2 An acousto-optic dispersive light filter
05/07/1986EP0179895A1 Mirror alignment control and ir beam energy maximizing in a laser controlled interferometer
05/06/1986US4586820 Apparatus for measuring anisotropy of light emitted from the sample
04/1986
04/30/1986EP0179717A1 Method for producing a corrected holographic grating, and apparatus using this grating
04/30/1986EP0179151A1 Sample signal for interferogram generation and method for obtaining same
04/29/1986US4585345 Double beam interferometer using refractive scanning method
04/24/1986WO1986002445A1 Oxygen analysis employing absorption spectroscopy
04/23/1986EP0178964A1 Method of checking the value of a parameter
04/23/1986CN85202750U Colorimetric cell with flowing sample in it able to reduce error when measuring
04/22/1986US4583853 Ratio type double-beam spectrophotometer
04/22/1986CA1203570A1 Method of determining cathodic corrosion and displaying
04/22/1986CA1203411A1 Method and apparatus for reproducing at least one colored surface
04/16/1986EP0177861A2 Readhead with reduced height sensitivity
04/16/1986EP0177724A1 Infrared radiator
04/09/1986EP0176625A2 Method of laser emission spectroscopical analysis of steel and apparatus therefor