Patent attributes
In one aspect, a prism is used to separate white light into individual color components, which are used to illuminate an object in sequence. This can be effected by rotating the prism. Reflections from the object are captured by a high resolution black and white camera. A frequency detector is used to also receive the individual colors that illuminate the object so that the high-resolution pixels from the black and white camera can be correlated, for each captured value, to the specific color reflected from the object that created the pixel. In this way, the color spectrum of the object can be measured with high precision. Other examples that use stationary prisms also are disclosed. Examples are disclosed in which the prism(s) receive white light from the object and spread it in color components onto the imager.
