Color comparator system

Details Color comparator system Color comparator system

1998-05-26

1999-01-26

Kim, Robert

Optics: measuring and testing

Standard

356402, 356407, 356408, G01J 102

Patent

active

058643966

ABSTRACT:
A color comparator system is described which avoids the use of liquid reference standards and glass vials. In a preferred embodiment the system includes (a) a clear lens piece including a plurality of lens sections equal to the desired number of color steps or intensities to be measured or observed; (b) background color for visually separating the lens sections and providing a controlled background color for samples between lens sections; and (c) at least one lens color means positioned behind the lens piece. The visual perception when using this comparator system is the same as viewing a series of glass tubes filled with colored liquid. Ambient light passes through each lens and is then reflected back toward the viewer.

REFERENCES:
patent: 3977789 (1976-08-01), Hunter et al.
patent: 4636073 (1987-01-01), Williams
patent: 5204733 (1993-04-01), Deshayes

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