Color measurement instrument

Details Color measurement instrument Color measurement instrument

2007-09-18

2010-10-05

Toatley, Jr., Gregory J (Department: 2877)

Optics: measuring and testing

By shade or color

C356S420000

Reexamination Certificate

active

07808639

ABSTRACT:
A color measurement instrument and color measurement method for measuring a color of a surface are provided. The instrument includes a plurality of independently switchable light sources characterized by differing spectral ranges, and a plurality of light guides configured to receive light from the light sources and to direct the received light to a light emitting portion of the instrument for illuminating the surface. The instrument further includes a first light detector configured to receive a portion of the light reflected from the surface. The first light detector is a wideband light detector.

REFERENCES:
patent: 5690486 (1997-11-01), Zigelbaum
patent: 2007/0035740 (2007-02-01), Nisper et al.
patent: 19534517 (1997-03-01), None
patent: 00/12020 (2000-03-01), None
Harness et al., U.S. Appl. No. 11/522,585, filed Sep. 18, 2006.
PCT International Search Report dated Mar. 3, 2008.

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