| Patents for G01J 3 - Spectrometry; Spectrophotometry; Monochromators; Measuring colours (33,177) |
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| 04/26/1994 | US5305887 Method and apparatus for examining the gaseous content of returned drink bottles |
| 04/20/1994 | CN2162650Y Standard colour board |
| 04/19/1994 | US5305233 Spectrophotometer for accurately measuring light intensity in a specific wavelength region |
| 04/19/1994 | US5305083 Random access monochromator |
| 04/19/1994 | US5305082 High spatial resolution imaging spectrograph |
| 04/19/1994 | US5305077 High-resolution spectroscopy system |
| 04/14/1994 | DE4309417A1 Diode laser spectrometer for measuring trace gases and aerosols, in stratosphere - has mirrors, diode laser, lens, detector and cooling arrangements mounted on part deployable from aircraft fuselage |
| 04/14/1994 | DE4234071A1 Phase fluorometer for material identification - has laser diode light source focused onto specimen, measurement and reference detectors, phase and modulation evaluation device |
| 04/14/1994 | CA2146342A1 Spectroscopic instrument calibration |
| 04/13/1994 | EP0591958A1 Dental colour mixture indicator device |
| 04/13/1994 | EP0591758A1 Multi-components analysing device |
| 04/12/1994 | US5303383 Multiprocessor computer system |
| 04/12/1994 | US5303165 Standardizing and calibrating a spectrometric instrument |
| 04/12/1994 | US5303028 Spectrometer apparatus for calibrating color imaging apparatus |
| 04/12/1994 | US5303027 Photodiode array |
| 04/12/1994 | US5303026 Apparatus and method for spectroscopic analysis of scattering media |
| 04/12/1994 | US5303025 Emission spectrochemical quantitative analysis method and apparatus |
| 04/07/1994 | DE4233192A1 Optical Fourier transform spectrometer with two-beam interferometer - has movable optical components enabling inputs to be used as outputs and vice-versa, and is used with e.g. chromatograph |
| 04/06/1994 | CN1084965A Optical fibre sensor transient high-temp. measurer |
| 04/05/1994 | US5301006 Emission microscope |
| 04/05/1994 | US5300778 Multispectral sensor |
| 04/05/1994 | US5300767 Color image sensing assembly with multiple linear sensors and aligned filters |
| 03/31/1994 | WO1994007117A2 Airborne multiband imaging spectrometer |
| 03/29/1994 | US5299045 Light detecting apparatus having a diffraction grating |
| 03/29/1994 | US5297555 For analyzing radiation re-emitted from a skin surface under examination |
| 03/22/1994 | US5296702 Structure and method for differentiating one object from another object |
| 03/22/1994 | CA1327899C Spectrophotometric method for quantitatively determining the concentration of a dilute component in a light or other radiation-scattering environment |
| 03/17/1994 | WO1994006181A1 Multi-stripe array grating integrated cavity laser |
| 03/17/1994 | WO1994006092A1 Method and device for automatic evaluation of cereal grains and other granular products |
| 03/17/1994 | DE4230451A1 Measuring density value of colour negative - forming colour spectrum of light passing through negative and weighting individual wavelengths using liquid crystal attenuators whose transmissivity corresponds to sensitivity of printing material |
| 03/16/1994 | EP0587284A2 Interferometer and beamsplitter holder therefor |
| 03/10/1994 | DE4229652A1 Resonator spectrometer for spectral analysis or light source mode control - includes narrow band filter with variable resonant frequency optical ring resonator |
| 03/10/1994 | DE4228011A1 Position resolving spectral analyser, e.g. for target seeking missile - contains optical system enabling location in elevation and azimuth and spectral analysis for target identification |
| 03/10/1994 | DE4226884C1 Spectroscopic system for carrying out microanalysis esp. HPLC - arranges sample between conical-waveguide aperture converters to align beam along optical axis, and detects using e.g. simultaneous spectrometer consisting of holographic diffraction grating and photodiode line array |
| 03/09/1994 | EP0586146A1 Particle measurement apparatus |
| 03/08/1994 | US5293548 Optical device for transmitting/reflecting radiation |
| 03/08/1994 | US5293543 Apparatus for color imager defect determination |
| 03/03/1994 | WO1994004959A1 Spectrometer apparatus for calibrating color imaging apparatus |
| 03/03/1994 | WO1994004894A1 Optical wavelength measuring instrument |
| 03/03/1994 | WO1994004893A1 Rotating flexible filter spectrometer |
| 03/03/1994 | WO1994004892A1 Spectroscopic systems for the analysis of small and very small quantities of substances |
| 03/03/1994 | WO1994004124A1 Alkyl glycosides in dyeing agents |
| 03/03/1994 | DE4228366A1 Fluorimeter for ion concn. measurement - has diffraction grating displaced by scanner for simultaneous or rapid sequential prodn. of different excitation wavelengths |
| 03/03/1994 | CA2142332A1 Spectroscopic systems for the analysis of small and very small quantities of substances |
| 03/02/1994 | EP0584931A1 Method of infrared analysis |
| 03/02/1994 | EP0584676A1 Closed loop semiconductor fabrication method and system |
| 03/02/1994 | EP0584519A1 Spectrophotometric method and spectrophotometer for performing the method |
| 03/01/1994 | US5291426 Method of correcting spectral data for background |
| 03/01/1994 | US5291332 Etalons with dispersive coatings |
| 03/01/1994 | US5291022 High efficiency infrared source |
| 02/24/1994 | DE4227864A1 Alkylglycoside in Färbemitteln Alkyl glycosides in colorants |
| 02/23/1994 | CN1082716A Vertical plain mirror and its use |
| 02/22/1994 | US5289314 Coatings for laser detector etalons |
| 02/17/1994 | DE4244717A1 Polarisation spectroscopic system - feeds light from optical waveguide via polariser, first aperture converter, sample in throughflow cuvette, analyser, second aperture converter and spectrometer for determining rotation dispersion and absorption spectrum of sample |
| 02/15/1994 | US5287423 Multiplexer for use with a device for optically analyzing a sample |
| 02/15/1994 | US5286968 Method and device for multichannel analog detection |
| 02/10/1994 | DE4224299A1 Spectrometer determining spectrum of medium radiated by wide band lamp - uses light conductor to receive light from measurement point and/or lamp supplied to detector and evaluation unit |
| 02/09/1994 | CN1023729C Interference spectrophotometer |
| 02/08/1994 | US5285255 Optical system for spectral analysis |
| 02/08/1994 | US5285254 Rapid-scanning monochromator with moving intermediate slit |
| 02/08/1994 | US5285131 Vacuum-sealed silicon incandescent light |
| 02/08/1994 | US5285070 Air turbulence detector |
| 02/08/1994 | CA1326773C Low noise optical system |
| 02/03/1994 | WO1994002835A1 Spectrometer for lensometer |
| 02/03/1994 | WO1994002832A1 Method and apparatus for monitoring layer processing |
| 02/03/1994 | WO1994002812A1 Structure and method for differentiating one object from another object |
| 02/03/1994 | WO1994002811A1 Method and means for generating synthetic spectra allowing quantitative measurement in near infrared measuring instruments |
| 02/03/1994 | CA2140431A1 Method and means for generating synthetic spectra allowing quantitative measurement in near infrared measuring instruments |
| 02/02/1994 | CN2155011Y Simple colour card combination |
| 02/01/1994 | US5283624 Multi-element simultaneous analysis atomic absorption spectroscopy photometer and multi-element simultaneous analytic method |
| 01/27/1994 | DE4224600A1 Micro-mechanical electrostatic positioning appts., e.g. for mirror, in Michelson interferometer - has several fixed electrodes producing electrostatic field, applying force to vary position of plate-shaped element |
| 01/27/1994 | DE4223741A1 Measuring radiation values and optical parameters - sampling half-space in spherical coordinates and determining spectral distribution of solid angle elements |
| 01/26/1994 | EP0579707A1 Methods of and apparatus for measurement using acousto-optic devices |
| 01/26/1994 | CN2154468Y Wavemeter indicating device |
| 01/25/1994 | US5281815 Method of determining the humidity and temperature of atmospheric air |
| 01/25/1994 | US5281798 Method and system for selective removal of material coating from a substrate using a flashlamp |
| 01/20/1994 | WO1994001968A1 Low light color imaging system with cooled integrating camera |
| 01/20/1994 | WO1994001873A1 Laser assisted quasi-blackbody radiation source |
| 01/20/1994 | DE4223629A1 Optical spectral shift detector change by spectral shift |
| 01/20/1994 | DE4223212A1 Two-beam grating polychromator - has refractive prism for shifting spectrum from diffracting grating, and single octave edge filter in front of two-octave detector array |
| 01/20/1994 | DE4223211A1 Two-beam grating polychromator with measurement and control beam paths - has symmetrical arrangement of adjacent inlet apertures and detector array, and curved mirrors, for reflecting beams towards and receiving beams from grating |
| 01/20/1994 | CA2139754A1 Low light color imaging system with cooled integrating camera |
| 01/19/1994 | EP0579257A1 Device for determining optical spectral shifts caused by physical or chemical effects |
| 01/19/1994 | EP0407381B1 Objective color characterization system and method |
| 01/19/1994 | CN2153789Y Automatic spectrum colorimeter |
| 01/18/1994 | US5280338 For analyzing a source of electromagnetic radiation |
| 01/13/1994 | DE4222258A1 Electronic identification of plants - filtering back-scattered light at different frequencies, detecting with photocells, recording intensities and comparing with characteristics stored in computer |
| 01/12/1994 | CN1080719A Multi-standard vernier method and laser wavemeter |
| 01/11/1994 | US5278687 Multiwavelength data communication fiber link |
| 01/11/1994 | US5278630 Absorbance detector |
| 01/11/1994 | US5278629 For directly analyzing liquid solutions for an atomic element |
| 01/11/1994 | US5278402 Real-scene dispersion sensor detecting two wavelengths and determining time delay |
| 01/06/1994 | WO1994000749A1 Light measurement apparatus |
| 01/06/1994 | WO1994000743A1 Scanning fabry-perot spectrometer |
| 01/06/1994 | WO1994000733A1 Method of an apparatus for interferometrically inspecting a surface of an object |
| 01/05/1994 | EP0577261A2 High efficiency infrared source |
| 01/05/1994 | EP0576788A2 Apparatus for assembling components of color optical scanners |
| 01/05/1994 | CN1023426C Optical fibre transmission photo-electronic directly reading spectrograph |
| 01/04/1994 | US5276772 Real time adaptive probabilistic neural network system and method for data sorting |
| 01/04/1994 | US5276545 Mirror alignment and damping device |