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Color converting device emphasizing a contrast of output color data corresponding to a black character

Image Number 19 for United States Patent #7072084.

A color converting device converts input CMYK data into output color data in a predetermined different format. The color converting device comprises a contrast emphasizing unit emphasizing a contrast of the output color data corresponding to the CMYK data representing a black-character color more than a contrast of the output color data corresponding to the CMYK data representing a non-black-character color.

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