| Patents for G01J 3 - Spectrometry; Spectrophotometry; Monochromators; Measuring colours (33,177) |
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| 03/22/1989 | EP0307451A1 Apparatus and method for locating the direction of an atomic beam. |
| 03/22/1989 | CN2034686U Photo-electricity liquid state colourity detecting installation |
| 03/21/1989 | US4814598 Optical wavelength analyzer and image processing system utilizing Josephson junctions |
| 03/15/1989 | EP0307082A2 Method of measuring multicomponent constituency of gas emission flow |
| 03/15/1989 | CN2034276U Light quantum measuring detecting head |
| 03/14/1989 | US4813000 Computerized color matching |
| 03/14/1989 | US4812904 Optical color analysis process |
| 03/14/1989 | US4812900 Original reading apparatus with light source switching without a switching circuit |
| 03/14/1989 | US4812657 Multiunit tube and a spectrophotometer |
| 03/09/1989 | WO1989002158A1 Optical wavelength analyzer and image processing system utilizing josephson junctions |
| 03/09/1989 | WO1989002068A1 Method and apparatus for detecting the wavelength of a laser beam |
| 03/09/1989 | DE3801187C1 Method for gas analysis and gas analyser |
| 03/08/1989 | EP0306337A2 Spectrophotometer |
| 03/08/1989 | EP0305435A1 Portable and autonomous instrument for analyzing a gaseous composition by means of flame spectrophotometry. |
| 03/07/1989 | US4810872 Optical property measuring device |
| 03/07/1989 | US4810093 Versatile and efficient radiation transmission apparatus and method for spectrometers |
| 03/07/1989 | US4810092 Economical spectrometer unit having simplified structure |
| 03/07/1989 | US4810091 Apparatus and method for adjusting focus of a multi-element optical detector |
| 03/01/1989 | CN2033504U Medical laser power monitor |
| 03/01/1989 | CN1031418A Method and apparatus for the measurement of the colour properties of paint |
| 03/01/1989 | CN1031346A Device for fastening flexible forme |
| 02/28/1989 | US4808825 Fluid analyzer |
| 02/28/1989 | US4808809 Device for optically detecting the presence or absence of an object on an optical path including a variable I-V characteristic circuit to effect in a positive feedback relationship between the radiation source and the radiation detector |
| 02/28/1989 | US4807993 Method and apparatus for measuring light by frequency modulation using a time-variable synchronous rectification signal |
| 02/28/1989 | CA1250447A1 Compact analyzer |
| 02/23/1989 | WO1989001622A1 Raman spectrometer having hadamard electrooptical mask and diode detector |
| 02/23/1989 | WO1989001621A1 Process and device for measuring the concentration of a gas in a gaseous mixture |
| 02/23/1989 | WO1989001530A1 Metallurgical controlling method |
| 02/22/1989 | EP0304172A2 Method and apparatus for the measurement of colour properties of paint |
| 02/22/1989 | EP0303707A1 Optical measurement method and apparatus therefor in automatic analyzer |
| 02/22/1989 | CN1003392B Solid state optical interferometer |
| 02/21/1989 | US4806764 Apparatus for evaluating the quality of rice grains |
| 02/21/1989 | US4805993 Method of assembling optical components and arrangement therefor |
| 02/16/1989 | DE3818278A1 Examining instrument and method for the eye, in particular the fundus of the eye |
| 02/15/1989 | CN2032710U Camera light-meter |
| 02/14/1989 | US4804833 Color sensing method and device therefor |
| 02/14/1989 | US4804271 Process for the improvement of selectivity of spectrometric measurements and an apparatus for the performance of the process |
| 02/14/1989 | US4804266 Continuously rotating grating rapid-scan spectrophotometer |
| 02/14/1989 | CA1249940A1 Apparatus for reproducing at least one colored surface on a photographic emulsion |
| 02/08/1989 | CN1030978A Calculation method of matching colours |
| 02/07/1989 | US4803370 Infrared light generation |
| 02/07/1989 | US4802763 Measuring apparatus for characterizing a surface having color directional reflectance properties |
| 02/07/1989 | US4802727 Positioning optical components and waveguides |
| 02/01/1989 | EP0301329A2 Lighting installation for spectroscopic observation of minerals, juwels, or equivalent |
| 02/01/1989 | EP0301290A1 Black body radiator for use as an emitter in gas detecor calibration, and process for producing it |
| 02/01/1989 | EP0301251A2 Radiation chopping arrangement |
| 02/01/1989 | CN2031922U Fast-acting colorimetric device |
| 01/31/1989 | US4801805 Method of measuring multicomponent constituency of gas emission flow |
| 01/31/1989 | US4801552 Modulated magnetic field |
| 01/31/1989 | US4801267 Display device for illustrating color mixtures |
| 01/31/1989 | US4800885 Blood constituent monitoring apparatus and methods with frequency division multiplexing |
| 01/26/1989 | WO1989000779A1 Apparatus for controlling laser wavelength |
| 01/26/1989 | DE3820046A1 Method for the production of colour comparators for the visual evaluation of test means |
| 01/25/1989 | EP0300640A2 Optical communication systems using Fabry-Perot cavities |
| 01/25/1989 | CN2031518U Detector for superweak luminescence |
| 01/24/1989 | US4799795 Stationary, electrically alterable, optical masking device and spectroscopic apparatus employing same |
| 01/24/1989 | US4799794 Interior reflective chamber embodying an ordering principal for color reflectors therein |
| 01/24/1989 | CA1249138A1 Simultaneous multiple wavelength photometer |
| 01/18/1989 | EP0299445A2 Manual instrument for reflection measurements |
| 01/18/1989 | CN1030478A Analyzer for local molecular structure |
| 01/17/1989 | US4799001 Start of scan circuit for FTIR spectrometer |
| 01/17/1989 | US4798464 Scanning array spectrophotometer |
| 01/17/1989 | US4798463 Spectrofluorophotometer |
| 01/12/1989 | WO1989000286A1 System for measuring the size distribution of particles dispersedin a fluid |
| 01/12/1989 | WO1989000280A1 Improvements in and relating to spectrophotometers |
| 01/11/1989 | EP0298398A2 Analyzer of partial molecular structures |
| 01/11/1989 | CN2030718U Thermostat for spectrophotometer |
| 01/11/1989 | CN2030469U Medical colour diagnostic instrument |
| 01/10/1989 | US4797923 Super resolving partial wave analyzer-transceiver |
| 01/10/1989 | US4797747 Streak camera device having a plurality of streak tubes |
| 01/10/1989 | US4797738 Color recognition apparatus |
| 01/10/1989 | US4797552 Apparatus and method for locating the direction of an atomic beam |
| 01/04/1989 | EP0297556A2 Emission spectral width measuring apparatus for light source |
| 01/03/1989 | USRE32821 Apparatus and method for photoluminescence analysis |
| 01/03/1989 | US4795257 Polychromator for multi-element analysis |
| 01/03/1989 | US4795256 Dual-wavelength spectrophotometry system |
| 01/03/1989 | US4795254 Durable working matte/glossy color standard and method of making same |
| 01/03/1989 | US4795253 Remote sensing gas analyzer |
| 01/03/1989 | CA1247859A1 Colour selection apparatus |
| 12/29/1988 | WO1988010462A1 Procedure for controlling a radiation source and controllable radiation source |
| 12/29/1988 | DE3720388A1 Method for in situ monitoring of the colour of moving roasting material, and arrangement for carrying out the method |
| 12/28/1988 | EP0296259A1 Spectrometer with combined visible and ultraviolet sample illumination |
| 12/28/1988 | CA1247398A Automatic monochromator-testing system |
| 12/28/1988 | CA1247397A Spectrophotometric method and apparatus for the non- invasive determination of glucose in body tissues |
| 12/27/1988 | US4794351 Optical mixer for upconverting or downconverting an optical signal |
| 12/27/1988 | US4794258 Spectroanalytical gas measuring apparatus |
| 12/21/1988 | EP0296073A1 Large lattice parameter metal alloy |
| 12/21/1988 | EP0295546A2 Optical fiber sensor |
| 12/15/1988 | WO1988009945A1 Positioning apparatus particularly for use in a vacuum environment |
| 12/15/1988 | WO1988009920A1 Near infrared measurement apparatus for organic materials |
| 12/15/1988 | WO1988009650A1 Air sac for oscillating low air loss bed |
| 12/14/1988 | EP0294996A2 Scanning fluorescent detection system |
| 12/13/1988 | US4791296 Fast method of measuring phosphorous concentration in PSG and BPSG films |
| 12/13/1988 | US4790659 Optical sample illumination device for a spectroscopic ellipsometer having a high lateral resolution |
| 12/13/1988 | US4790656 Dual homodyne detection system to measure asymmetric spectrum by using angle mirrors |
| 12/13/1988 | US4790655 System for measuring laser spectrum |
| 12/13/1988 | US4790654 Spectral filter |
| 12/13/1988 | US4790652 Method and apparatus for determining parameters of gaseous substances |
| 12/13/1988 | CA1246354A1 Optical measuring device using a spectral modulation sensor having an optically resonant structure |
| 12/07/1988 | EP0293983A1 Method for analysing metal particles |