Optics: measuring and testing – By shade or color
Reexamination Certificate
2005-05-02
2008-12-16
Chowdhury, Tarifur R (Department: 2886)
Optics: measuring and testing
By shade or color
C356S407000
Reexamination Certificate
active
07466416
ABSTRACT:
A color measurement system includes a hand held color measurement instrument, which may be provided with a wireless interface to a computer. The color measurement system includes a scanning guide for holding the hand held color measurement instrument in proper alignment with a color target. The scanning guide includes a calibration reference to allow convenient calibration of the hand-held color measurement instrument. The hand-held color instrument includes an illumination ring to provide visual feedback to the user. The color of the illumination ring changes in order to display a color similar to that being read by the hand-held color measurement instrument. Color management profiling of the hand held color measurement instrument illumination ring improves the color rendition capability of the illumination ring.
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Baker Douglas V.
Berg Bernard J.
Cargill Mark A.
Chowdhury Tarifur R
Cook Jonathon D
McCarter & English LLP
X-Rite, Inc.
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