Patents for G01J 3 - Spectrometry; Spectrophotometry; Monochromators; Measuring colours (33,177) |
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10/31/1979 | EP0004962A1 Glow discharge lamp for qualitative and quantitative spectral analysis |
10/30/1979 | US4172663 Optical wavelength meter |
10/30/1979 | US4172637 Common beam aperture for dual beam spectrophotometers |
10/23/1979 | US4171913 Spectrophotometer |
10/23/1979 | US4171909 Apparatus for measuring light intensities |
10/16/1979 | CA1064569A1 Ultraviolet radiation source |
10/02/1979 | US4169678 Spectrophotometer |
09/25/1979 | US4168910 Optical beam-switching chopper |
09/18/1979 | CA1062762A1 Color dot screen for electro photography |
09/11/1979 | US4167338 Method and apparatus for determining the quantity ratio of two components of a multi-substance mixture |
09/11/1979 | US4167331 Multi-wavelength incremental absorbence oximeter |
09/11/1979 | CA1062351A1 Colour recognition system |
09/11/1979 | CA1062035A1 Spectroscopic temperature measurement |
09/04/1979 | CA1061593A1 Two-beam colorimeter |
08/28/1979 | US4165938 Refractively scanned interferometer |
08/21/1979 | US4165180 Automatic computing color meter |
08/14/1979 | US4164652 Process and arrangement for registration of ion-, electron- and light-spectra |
08/14/1979 | US4164374 Spectrophotometer utilizing a solid state source of radiant energy having a controllable frequency spectra characteristic |
08/14/1979 | US4164373 Spectrometer employing optical fiber time delays for frequency resolution |
07/31/1979 | CA1059338A1 Textile color analyzer calibration |
07/26/1979 | WO1979000464A1 Apparatus for measuring spectroscopic information from living organisms |
07/24/1979 | CA1058904A1 Apparatus for textile color analysis using reflected light |
07/17/1979 | CA1058417A1 Continuous wave generation of coherent vibrational anti-stokes spectra |
07/17/1979 | CA1058416A1 Multifrequency excitation of gas rotational spectra |
07/17/1979 | CA1058415A1 Monochromatic detection of plural rotational raman spectra generated by multiple frequency excitation |
06/26/1979 | CA1057077A1 Throw-in type colorimeter |
06/19/1979 | US4158505 Spectrum analyzing system with photodiode array |
05/08/1979 | US4153369 Convertible dual beam differential spectrofluorometer and absorption meter |
05/08/1979 | CA1053929A1 Additive synthesis visual colorimeter |
05/08/1979 | CA1053925A1 Spectrophotometer for dual mode fluorescence analysis |
05/01/1979 | US4152674 Air spaced etalon with mechanism for adjusting parallelism of reflecting surfaces |
05/01/1979 | US4152069 Process and apparatus for ascertainment of the valuation data of gems |
04/24/1979 | US4150898 Colorimeter employing primary filter mirrors |
04/24/1979 | CA1053132A1 Apparatus, composition and method for detecting free water in hydrocarbon fuels |
04/24/1979 | CA1053026A1 Generation or coherent rotational anti-stokes spectra |
04/10/1979 | US4149118 Electronic control and regulation system |
04/03/1979 | US4147424 Radiation discrimination system |
03/27/1979 | US4146332 Spectrometer with electronic readout |
03/20/1979 | USRE29939 Spectrometer system |
03/20/1979 | CA1050795A1 Diffusion device for compensating for non-uniform photomultiplier cathode sensitivity |
03/20/1979 | CA1050783A1 Digitally settable selective control for speed of wavelength scan or for time base scan |
03/20/1979 | CA1050782A1 System and apparatus for contour plotting the total luminescence spectrum of a sample |
03/06/1979 | US4142797 Common path interferometer |
02/27/1979 | US4141954 Reaction tube assembly for automatic analyzer |
02/27/1979 | US4141653 Spectrographic apparatus |
02/20/1979 | US4140399 Monochromator for simultaneous selection and utilization of two wave-lengths |
02/20/1979 | US4140394 Spectrometer sequential readout system |
02/20/1979 | US4140220 Color recognition system |
02/20/1979 | CA1048829A1 Optical beam combining apparatus |
02/20/1979 | CA1048808A1 Simultaneous interferometric transmission of periodic spectral components |
02/20/1979 | CA1048807A1 Simultaneous transmission of periodic spectral components by plural interferometric means |
02/13/1979 | CA1048293A1 Color measuring spectrophotometer |
02/06/1979 | US4138727 System for analyzing time-dependent phenomena |
02/06/1979 | CA1047786A1 Automatic densitometer and method of color control in multi-color printing |
01/30/1979 | US4136959 Method for analyzing one ingredient of a three ingredient mixture |
01/30/1979 | US4136954 Imaging apparatus including spatial-spectral interferometer |
01/23/1979 | US4135820 Beam combining apparatus |
01/16/1979 | US4134683 Multispectral imaging and analysis system |
01/02/1979 | US4132940 Apparatus for providing a servo drive signal in a high-speed stepping interferometer |
01/02/1979 | US4132481 Cross-talk balancing circuit for spectrophotometers |
01/02/1979 | CA1045698A1 Method for discriminating high-temperature red heated material |
12/26/1978 | US4131506 Method of producing echelette gratings |
12/26/1978 | US4131367 Tristimulus colormeter with internal reflectance compensation |
12/19/1978 | US4130784 Apparatus for compensating ordinate phase lag in a plotting apparatus |
12/19/1978 | CA1044482A1 Optical system to optimize field of view uniformity in a multi-color produce sorter |
11/28/1978 | US4127329 Raman scattering system and method for aerosol monitoring |
11/21/1978 | CA1042681A1 Reading device for monochromator |
11/14/1978 | US4125329 Tristimulus colorimeter |
11/07/1978 | US4124297 Ultrafast scanning spectrophotometer |
10/31/1978 | US4123172 Comparison type colorimeter |
10/31/1978 | US4123171 Density measuring device |
10/31/1978 | US4123161 Apparatus for and method of examining light |
10/31/1978 | US4123160 Method and apparatus for remotely measuring sub-surface water temperatures |
10/31/1978 | CA1041317A1 Optical instrument for measuring concentrations of polluting gases on long and short geometrical paths |
10/17/1978 | US4120591 Color detection device |
10/17/1978 | US4120586 Method and means for aligning focusing mirrors in an optical spectrometer |
10/03/1978 | CA1039531A1 Spectroscopic temperature measurement |
09/19/1978 | US4115006 Arrangement for detecting light sources |
09/12/1978 | US4113385 Transient suppressor network for spectrophotometers and the like |
09/12/1978 | CA1038355A1 Method and means for suppressing ozone generated by arc lamps |
09/05/1978 | US4112335 Rapid pulse ultraviolet light apparatus |
09/05/1978 | US4112028 Light equalizer and method of making same |
09/05/1978 | US4111731 Method of making a light equalizer |
09/05/1978 | US4111560 Method and apparatus for determining a property of a given substance |
08/29/1978 | US4110826 Apparatus and process for color-identification |
08/22/1978 | US4108555 Two-beam colorimeter |
08/22/1978 | CA1036834A1 Electronically compensated rotating gas cell analyzer |
07/25/1978 | US4102576 Monochromator combining a plurality of light dispersing elements |
07/18/1978 | US4101222 Spectrophotometer sample holder with improved sample viewing apparatus |
07/18/1978 | US4101219 Apparatus for calibrating an optical null spectrophotometer |
07/11/1978 | US4100446 Light source lamp with particular envelope structure to accommodate external magnets |
07/11/1978 | US4100412 Selective multichannel optical time-shared detector for chromatography |
07/11/1978 | US4099873 Arrangement for the spectral analysis of substances |
07/11/1978 | US4099872 Fluorescence spectrophotometer |
06/27/1978 | US4097239 Two-flame burner for flame photometric detection |
06/27/1978 | US4097152 Spectrophotometer with visual spectrum display |
06/20/1978 | US4096217 Method of using a particular tristimulus colorimeter in making artificial teeth |
06/20/1978 | US4095900 Optical technique for background suppression |
06/20/1978 | US4095899 Apparatus for double-beaming in fourier spectroscopy |
06/20/1978 | US4095897 Wavelength driving device for use in monochromators |