Patent ID: 8687193
Filing Date: 2014-04-01
Classification: G03G

Abstract:
1. A color measurement device comprising: a light pipe oriented length-wise towards a color sample surface along just one first axis that is non-perpendicular to the color sample surface, a color sample positioned on the color sample surface, the light pipe having a near opening and a far opening, the near opening closer to the color sample than the far opening, the light pipe having a face at the far opening; a light source positioned near the far opening of the light pipe, the light source to generate and output light along a second axis and into the light pipe at the far opening, the light to reflect off the color sample surface after exiting the light pipe at the near opening, the second axis being non-perpendicular to the face of the light pipe at the far opening; and a lens disposed between the light source and the light pipe, wherein the light pipe is an only, unsegmented light pipe within the color measurement device, and the light source is discrete from the light pipe.