Patents for G01J 3 - Spectrometry; Spectrophotometry; Monochromators; Measuring colours (33,177)
10/1980
10/14/1980US4227811 Spectrophotometer
10/07/1980US4227079 Multipath fine positioning beam director
10/07/1980CA1086981A1 Tristimulus colorimeter
10/01/1980EP0016303A1 Photoacoustic rotational Raman spectroscopy
10/01/1980EP0016147A1 Refractively scanned interferometer.
09/1980
09/30/1980US4225236 Fabry-perot interferometer
09/30/1980US4225233 Rapid scan spectrophotometer
09/30/1980CA1086522A1 Comparison type colorimeter
09/30/1980CA1086521A1 Process and apparatus for ascertainment of the valuation of gems
09/17/1980EP0015711A1 Colour image sensing
09/17/1980EP0015619A2 Spectrophotometer
09/17/1980EP0015611A1 Spectrophotometer
09/17/1980EP0015608A1 Cam and follower arrangement, and monochromator of a spectrophotometer including such an arrangement
09/17/1980EP0015607A1 Monochromator
09/17/1980EP0015391A1 Glow discharge lamp for qualitative and quantitative spectral analysis
09/16/1980US4223216 Means for sensing and color multiplexing optical data over a compact fiber optic transmission system
09/09/1980US4221484 Selection of spectrophotometric operating parameters
09/03/1980EP0015170A1 Remote measuring spectrophotometric device
09/02/1980US4219933 Diffraction grating ruling engine
09/02/1980CA1084726A1 Scanning spectrometer
08/1980
08/06/1980EP0013971A1 Means for sensing and color multiplexing optical data over a compact fiber optical transmission system
08/05/1980US4215940 Optode arrangement
08/05/1980CA1082866A1 Regenerated cellulose matrix fibres containing n- vinyl amide polymer
07/1980
07/29/1980US4215273 Multispectral scanner optical system
07/29/1980US4214835 Spectrometer sequential readout system
07/29/1980CA1082485A1 Spectrophotometer with photodiode array
07/22/1980US4214297 Arrangement for spectral dispersion of a bundle of light
07/22/1980US4214264 Hybrid color image sensing array
07/15/1980CA1081497A1 System for rate immunonephelometric analysis
07/09/1980EP0012797A2 Method and apparatus for generation of coherent 16 micron radiation
07/08/1980US4211486 Spectrophotometer
07/08/1980US4211016 Method and chart for organizing and producing colors
07/08/1980CA1080996A1 Tristimulus colorimeter with internal reflectance compensation
06/1980
06/17/1980US4208672 Method and apparatus for producing a color thermogram on photographic film
06/10/1980CA1079228A1 Red infrared produce grader with color and non-vegetable discretion
06/03/1980US4205918 Color balance indicating device
06/03/1980US4205913 Determination of the partial pressure and the concentration of a gas
06/03/1980CA1078641A1 Pulsed light colorimeter
05/1980
05/28/1980EP0011377A1 Photoelectric densitometer head
05/28/1980EP0011376A1 Photoelectric densitometer system
05/27/1980US4205229 Cooled echelle grating spectrometer
05/27/1980US4204771 Tuning of etalons
05/20/1980US4203671 Method of detecting flesh color in color originals
05/20/1980US4203669 Wavelength reading apparatus for monochromator
05/15/1980WO1980001004A1 Dual beam fourier spectrometer
05/14/1980EP0010940A1 Apparatus for measuring the colour of a product
04/1980
04/29/1980US4199877 Color harmony scale
04/22/1980US4199703 Low inductance, high intensity, gas discharge VUV light source
04/16/1980EP0009766A1 Apparatus for emission spectrochemical analysis
04/15/1980US4198120 Fiber optic device for correcting image tilt or curvature in a spectrogram
04/15/1980US4198117 Optical wavelength-division multiplexing and demultiplexing device
04/15/1980CA1075800A1 Etalon laser mode selector
04/15/1980CA1075496A1 Baseline correction for uv spectrometer
04/15/1980CA1075487A1 Optical measurement of small articles
04/08/1980US4197009 Photoacoustic Raman spectroscopy
04/08/1980CA1075034A1 Optical property measurement and control system
04/08/1980CA1075033A1 Sodium light intensity monitor
04/01/1980US4195931 Clear air turbulence detector
04/01/1980US4195930 Optical Raman microprobe with laser
03/1980
03/25/1980US4194839 Circuit arrangement for recognizing and adjusting color components
03/25/1980CA1074148A1 Infrared gas analysis of molecular species
03/20/1980WO1980000492A1 Refractively scanned interferometer
03/18/1980US4194217 Method and apparatus for in-vivo spectroscopic analysis
03/18/1980US4193695 Spectrographic apparatus with chopper means located in the sample cell
03/18/1980US4193693 Velocity servo for continuous scan Fourier interference spectrometer
03/18/1980US4193691 Spectrometer
03/18/1980US4193690 Heterodyne detection of coherent Raman signals
03/11/1980US4192611 Reflectivity compensating apparatus
03/04/1980US4191474 Spectrograph for an extended spectral field in which partial planar diffraction spectra are successively formed in the same plane
03/04/1980US4191473 Method of and apparatus for measuring the absolute wavelength of a source of unknown frequency radiation
02/1980
02/26/1980US4190366 Refractively scanned interferometer
02/26/1980CA1072512A1 Integrally focused low ozone illuminator
02/12/1980US4188126 Photometer with concave mirrors and field optics
02/07/1980WO1980000189A1 Calibratiob system for spectroscopes
02/05/1980US4186838 Measurement of optical properties
02/05/1980CA1071166A1 Recording chart lock
02/05/1980CA1070972A1 Method and apparatus for monitoring optical radiation
01/1980
01/29/1980US4185920 Color displaying apparatus
01/29/1980CA1070513A1 Single beam infrared analyzer
01/22/1980US4185121 Process for the treatment of an acid hydrolysate of vegetable matter and the products obtained
01/15/1980US4183669 Dual beam Fourier spectrometer
01/15/1980US4183668 Method of eliminating astigmatism and coma in a spectrograph including a plane grating and two concave, spherical mirrors
01/15/1980CA1069725A1 Clear air turbulence detector
01/01/1980US4181440 Over-under double-pass interferometer
12/1979
12/25/1979USRE30181 Converting ozone to oxygen
12/25/1979US4180734 Gas analyzer
12/25/1979US4180733 Infrared ray gas analyzing apparatus
12/25/1979US4180327 Spectrophotometers with digital processing
12/25/1979CA1068510A Automatic burner monitor and control for furnaces
12/25/1979CA1068508A Fluorescence spectrophotometer
12/18/1979US4179219 Revolving mirror scanning interferometer
12/18/1979CA1068122A1 Generation of coherent rotational anti-stokes spectra
12/11/1979US4178099 Scanning optical spectral analyzer
12/11/1979CA1067714A1 Automatic computing colour meter
12/04/1979US4176958 Automatic loop gain adjustment for optical null spectrophotometers
12/04/1979US4176957 Method and apparatus for optically analyzing specimen by using two light beams
12/04/1979US4176916 Cam filter wheel
11/1979
11/27/1979US4175864 Astigmatic illuminating system in an internal reflection spectometer
11/13/1979CA1066085A1 Apparatus for textile color analysis using reflected light
11/06/1979US4173442 Apparatus and method for determination of wavelength