Importance

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Abstract

A color measurement apparatus is adapted as an attachment for a personal computing system. An interface integral to the color measurement apparatus couples the color measurement apparatus to the personal computing system. A computer pointing device integral to the color measurement apparatus provides a pointer input for the personal computing system. A spectral sensing device integral to the color measurement apparatus measures light received via an input port in a plurality of spectral bands. A light source integral to the color measurement apparatus emits light external to the color measurement apparatus. The color measurement apparatus is operable in first, second and third modes of operation. In the first mode of operation, the computer pointing device provides pointer input of a user to the personal computing system. In the second mode of operation, the spectral sensing device measures light generated by a display of the personal computing system. In the third mode of operation, the light source provides light to a printed object printed by a printer coupled to the personal computing system and the spectral sensing device is adapted to receive and measure light that is returned from the printed object.

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First Claim