Patent ID: 6422710
Filing Date: 2002-07-23
Classification: B60K,B60Q,G01D

Abstract:
A lightable indicator scale device, comprising:a dial including a first lightable indicator scale in a firs area, a second lightable indicator scale in a second area and a third lightable indicator scale in a third area; a first light source device lighting the first lightable indicator scale and the third lightable indicator scale; a second light source device lighting the second lightable indicator scale; and a light guide device arranged between the first light source device and the dial and between the second light source device and the dial, wherein the light guide device guides light beams of the first light source device to the first area and to the third area, wherein the light guide device prevents the light beams of the first light source device from reaching the second lightable indicator scale directly, wherein the light guide device guides the light beams of the first light source device directed at the third area through the second area without light scattering into the second lightable indicator scale, and wherein the light guide device guides light beams of the second light source device to the second area without light scattering into the first lightable indicator scale and the third lightable indicator scale.