Optics: measuring and testing – By shade or color – With color transmitting filter
Reexamination Certificate
2006-09-26
2006-09-26
Evans, F. L. (Department: 2877)
Optics: measuring and testing
By shade or color
With color transmitting filter
C356S406000
Reexamination Certificate
active
07113283
ABSTRACT:
Color measuring systems and methods are disclosed. Perimeter receiver fiber optics are spaced apart from a central source fiber optic and receive light reflected from the surface of the object being measured. Light from the perimeter fiber optics pass to a variety of filters. The system utilizes the perimeter receiver fiber optics to determine information regarding the height and angle of the probe with respect to the object being measured. Under processor control, the color measurement may be made at a predetermined height and angle. Various color spectral photometer arrangements are disclosed. Translucency, fluorescence and/or surface texture data also may be obtained. Audio feedback may be provided to guide operator use of the system. The probe may have a removable or shielded tip for contamination prevention.
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