Patent ID: 8517548
Filing Date: 2013-08-27
Classification: G01D

Abstract:
1. An instrument, comprising: a transparent dial that includes a dark-colored indicia, a dark-colored graduation, and first and second surfaces, wherein the first and second surfaces are parallel to each other, and wherein the second surface is closer than the first surface to a viewer of the instrument; a light-colored case located further from the viewer than the first surface of the transparent dial; and a light source that provides light through the transparent dial projecting the indicia and the graduation to a location that is closer than the second surface to the viewer of the instrument; wherein the dark-colored indicia and the dark-colored graduation are on the first surface; the light-colored case forms a background for the dark-colored indicia and the dark-colored graduation; the light-colored case is lighter in color than the dark-colored indicia and the dark-colored graduation; the projection of the indicia and the graduation includes a shadow effect for the viewer of the instrument; and a portion of the light provided by the light source passes out of the transparent dial and is reflected an interior side of by the case such that the dark-colored indicia and the dark-colored graduation are displayed by the portion of the light that is reflected by the case.