Optics: measuring and testing – By dispersed light spectroscopy
Reexamination Certificate
2007-10-30
2010-06-01
Evans, F. L (Department: 2877)
Optics: measuring and testing
By dispersed light spectroscopy
C356S402000, C356S425000
Reexamination Certificate
active
07728970
ABSTRACT:
A method for determining a mixture composition of a plurality of fluorescent materials includes steps of calculating a first function, calculating a second function and determining a secondary mixture composition of the plurality of fluorescent materials. The first function is calculated by comparing an objective spectrum of an objective light with a reference spectrum of a reference light. The second function is calculated by comparing a primary spectrum of the plurality of fluorescent materials mixed at a primary mixture with the reference spectrum composition. The secondary mixture composition is determined on the basis of the result of comparison between the first function and the second function.
REFERENCES:
patent: 2006/0208262 (2006-09-01), Sakuma et al.
Beuerle Stephen C.
Evans F. L
Kyocera Corporation
Procopio Cory Hargreaves & Savitch LLP
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