Optics: measuring and testing – By shade or color – With color determination by light intensity comparison
Reexamination Certificate
2011-08-02
2011-08-02
Geisel, Kara E (Department: 2877)
Optics: measuring and testing
By shade or color
With color determination by light intensity comparison
C356S417000
Reexamination Certificate
active
07990537
ABSTRACT:
A reference-color measurement step of obtaining a reference-color measurement value by measuring a spectroscopic-radiation luminance of a light being emitted from a reference-color portion in a measurement direction, or a tristimulus value thereof, using a light-source-color measuring instrument, without irradiating the reference-color portion with a light source for measurement, in a predetermined measurement environment, is disclosed. An objective-portion measurement step of obtaining an objective-portion measurement value by measuring a spectroscopic-radiation luminance of a light being emitted from a measurement-objective portion in the measurement direction, or a tristimulus value thereof, using the light-source-color measuring instrument, without irradiating the measurement-objective portion with a light source for measurement, in the measurement environment, is also disclosed.
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Extended European Search Report dated Aug. 18, 2010, for EP Appl. No. 07 74 0460.
Finnegan Henderson Farabow Garrett & Dunner LLP
Geisel Kara E
Toyota Jidosha & Kabushiki Kaisha
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