Optics: measuring and testing – By shade or color
Reexamination Certificate
2007-11-27
2007-11-27
Lauchman, Layla G. (Department: 2877)
Optics: measuring and testing
By shade or color
C433S203100, C433S215000, C433S026000, C356S425000, C356S405000
Reexamination Certificate
active
10923647
ABSTRACT:
A miniaturized spectrometer/spectrophotometer system and methods are disclosed. A probe tip including one or more light sources and a plurality of light receivers is provided. A first spectrometer system receives light from a first set of the plurality of light receivers. A second spectrometer system receives light from a second set of the plurality of light receivers. A processor, wherein the processor receives data generated by the first spectrometer system and the second spectrometer system, wherein an optical measurement of a sample under test is produced based on the data generated by the first and second spectrometer systems. Improved shade matching/prediction results are obtained through the use of volumes/regions, preferably polygons, around shades in a shade system.
REFERENCES:
patent: 6037629 (2000-03-01), Gardner et al.
patent: 6512577 (2003-01-01), Ozanich
Jung Russell W.
Jung Wayne D.
Loudermilk Alan R.
Sloan Walter W.
Christie Parker & Hale, LLP.
Lauchman Layla G.
Vita Zahnfabrik H. Rauter GmbH & Co. KG
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