Patents for G01J 3 - Spectrometry; Spectrophotometry; Monochromators; Measuring colours (33,177) |
---|
11/27/1984 | US4484817 Colorimetric chemical analyzing apparatus |
11/27/1984 | US4484815 For producing a monochromatic light beam |
11/20/1984 | US4483590 Adjustable slit assembly for a monochromator |
11/13/1984 | US4482966 Detector for chromatographs |
11/13/1984 | US4482248 Interferometer with a tunable optical resonator incorporating a monomode optical fibre and application to filtering and spectography |
11/13/1984 | US4482245 Apparatus for measuring the color of a brilliant-cut diamond |
11/08/1984 | WO1984004402A1 Liquid crystal tuned birefringent filter |
11/07/1984 | EP0124448A2 Device for controlling the rotation of the dispersive device of a monochromator |
11/06/1984 | US4481653 Tunable X-ray monochromator using transmission gratings |
11/06/1984 | US4480914 Vibration compensating interferometer mirror drive system |
11/06/1984 | US4480913 Fine positioning beam director system |
10/24/1984 | EP0122441A2 Spectroanalysis system |
10/24/1984 | EP0122364A1 A mirror for a spectrophotometer |
10/23/1984 | US4478513 Optical system for a spectrophotometer |
10/17/1984 | EP0121714A2 Automatic wavelength calibration correction system |
10/16/1984 | US4477190 Multichannel spectrophotometer |
10/10/1984 | EP0120870A1 Apparatus for carrying out spectral analysis. |
10/03/1984 | EP0120526A2 Sine bar mechanism and monochromator and spectrophotometer including such a sine bar mechanism |
10/02/1984 | CA1175255A1 Spectrophotometer gas control system |
09/25/1984 | US4473295 Parabolic focusing apparatus for optical spectroscopy |
09/19/1984 | EP0118919A2 Method and apparatus for converting spectral and light intensity values directly to digital data |
09/19/1984 | EP0118733A2 Spectroanalysis |
09/19/1984 | EP0118529A1 Apparatus and method for photoluminescent analysis |
09/19/1984 | EP0118504A1 Image monochromator. |
09/19/1984 | EP0118492A1 Vibration compensating interferometer mirror drive system |
09/13/1984 | WO1984003560A1 Dynamic mirror alignment control |
09/13/1984 | WO1984003558A1 Mirror scan velocity control |
09/11/1984 | US4471220 System for monitoring trace gaseous ammonia concentration in flue gases |
09/11/1984 | US4470699 Micro-column plasma emission liquid chromatograph |
09/04/1984 | US4470105 Optical apparatus |
09/04/1984 | US4469441 Scanning monochromator system with direct coupled dispersing element-electromagnetic drive transducer assembly |
09/04/1984 | US4469397 Fiber optic resonator |
09/04/1984 | CA1173663A1 Optical system for a spectrophotometer |
08/28/1984 | US4468775 Optical selector device using a Fizeau wedge for reflection |
08/28/1984 | US4468121 Spectrophotometric analyzer having dual monochromators |
08/22/1984 | EP0116321A2 Infrared spectrometer |
08/21/1984 | US4467213 Source assembly for gas analysis instruments |
08/21/1984 | US4466699 Curved tunable Fabry-Perot filter |
08/21/1984 | US4466544 Photoelectric detection device for color sorting apparatus |
08/21/1984 | CA1173082A1 Pressurized fluid jetting device in color sorting apparatus |
08/15/1984 | EP0116011A1 Process for reproducing at least one coloured surface and means for producing the same |
08/15/1984 | EP0115902A2 Spectrophotometer |
08/15/1984 | EP0059706B1 Dispersive optical device |
08/14/1984 | US4465940 Electro-optical target detection |
08/14/1984 | CA1172466A1 Apparatus useful for positioning a light filter |
08/08/1984 | EP0115294A2 Photometric device |
08/08/1984 | EP0115122A1 Automatic background brightness control device for colour sorting apparatus |
08/08/1984 | EP0058667B1 Device for dividing a laser beam |
08/07/1984 | US4464677 Method and circuit arrangement for partial recorrection of color recognition spaces in color recognition |
08/07/1984 | US4464054 Colorimeter instrument with fiber optic ring illuminator |
08/07/1984 | US4464051 Spectrophotometer |
08/01/1984 | EP0114515A2 Method and apparatus for colour recognition |
07/31/1984 | US4463260 Flame detector |
07/31/1984 | US4462689 Wide band scanning monochromator |
07/31/1984 | US4462688 Spectrally tailored wafer chuck shaped light meter |
07/31/1984 | US4462687 Apparatus for spectral analysis of a broad beam of radiation using a dispersive element interposed between two modulators |
07/25/1984 | EP0114053A2 Device for determining the angle of incidence of optical radiation |
07/24/1984 | US4461568 Assessing the color of gemstones and the like |
07/24/1984 | CA1171298A1 Process and apparatus for the colorimetric analysis of printed material |
07/18/1984 | EP0113455A1 Apparatus for counting the number of fringe changes of a varying interference fringe pattern |
07/17/1984 | CA1171131A1 Lamp circuit |
07/04/1984 | EP0112375A1 Method for the measurement of the difference in colour contents of samples. |
07/03/1984 | US4458323 Method of performing measurements and error analysis of the measurements |
06/19/1984 | US4455097 Spectrophotometer |
06/19/1984 | US4455088 Monochromator with concave grating |
06/19/1984 | US4455087 Monochromatic imaging apparatus |
06/13/1984 | EP0110262A2 Optical readhead |
06/13/1984 | EP0110201A2 Apparatus for providing radiation of controlled spectral composition |
06/12/1984 | US4453826 Double monochromator |
06/12/1984 | CA1169140A1 Method and apparatus for measuring and controlling the color of a moving web |
06/05/1984 | US4453225 Counteracting the effect of phase shift changes between two quantities in extracting their ratio |
05/30/1984 | EP0109886A1 Acousto-optical device for analysing spectra |
05/30/1984 | EP0109686A2 Color sensor |
05/30/1984 | EP0109536A1 Apparatus for absorptiometric analysis |
05/22/1984 | US4449821 Process colorimeter |
05/22/1984 | US4449819 Arrangement for determining the concentration of a substance in a mixture of substances |
05/15/1984 | US4448533 Apparatus for ensuring the quality of printed products |
05/15/1984 | US4448530 Spectrophotometer |
05/15/1984 | US4448529 Spectral analysis of a beam of radiation |
05/08/1984 | US4446719 Electroreflectance vibrational spectroscopy |
05/02/1984 | EP0107410A1 Method of photometric measurement |
04/25/1984 | EP0106431A2 Infrared source element |
04/25/1984 | EP0106380A2 Atomic absorption spectrophometer apparatus |
04/25/1984 | EP0106135A2 Method and device for measuring the brightness of a colour |
04/17/1984 | CA1165586A1 Method and means for separating radiation of one wavelength from radiation of another wavelength |
04/11/1984 | EP0105178A2 Spectroradiometer and spectrophotometer |
04/10/1984 | US4441815 Self-modulating spectrometer |
04/10/1984 | US4441814 Spectrograph providing spectral reference marks |
04/04/1984 | EP0104333A2 Method and apparatus for simultaneously recording multiple FT-IR signals |
03/29/1984 | WO1984001217A1 Method for determining the binder content in a fibrous mat |
03/29/1984 | WO1984001211A1 Vibration compensating interferometer mirror drive system |
03/27/1984 | US4439347 Cobalt ammonium sulfate and sulfuric acid |
03/27/1984 | US4439038 Method and apparatus for measuring and controlling the color of a moving web |
03/21/1984 | EP0102970A1 Opto-geometric device for colorimetric and spectrophotometric apparatuses |
03/20/1984 | US4438370 Lamp circuit |
03/20/1984 | US4437762 Control of detector gain hysteresis in a single beam spectrophotometer |
03/20/1984 | CA1164093A1 Reflected color simulator |
03/15/1984 | WO1984001029A1 Apparatus and method for photoluminescent analysis |
03/13/1984 | CA1163463A1 Device for pulse dosage of liquid microsamples into the flame of atom absorption spectrophotometer |
03/07/1984 | EP0102272A1 Method of focusing spherical holographic diffraction gratings working by reflections; dispersive objectives and spectrometers for application of the same |