Patent ID: 7659886
Filing Date: 2010-02-09
Classification: G06F,H01H

Abstract:
1. An electrical apparatus, comprising: a casing having a keyboard setting area for accommodating a keyboard and an opening located adjacent to at least one side of the keyboard setting area; a light-guiding device set in the casing and near the opening, wherein a part of light emerged from the light-guiding device passes through the opening to at least one side of the keyboard; and a light-emitting device disposed adjacent to at least one side of the light-guiding device, wherein a surface of the light-guiding device is applied with a plurality of dyes with different colors, such that the light emerged from the light-guiding device comprises a plurality of colors, and wherein at least one annular protrusion is disposed on the surface of the light-guiding device, and a rotation of the annular protrusion causes a rotation of the light-guiding device such that the light emerged from the light-guiding device comprises the colors.