Optical characteristic measuring systems and methods such as for determining the color or other optical characteristics of an object are disclosed. Perimeter receiver fiber optics are spaced apart from a source fiber optic and receive light from the surface of the object being measured. Light from the...http://www.google.de/patents/US6888634?utm_source=gb-gplus-sharePatent US6888634 - Apparatus and method for measuring optical characteristics of an object
