Lighting device of a button river-push buttons (Machine-translation by Google Translate, not legally binding)

摘要

Illumination device of a row of push-buttons, in particular on a dashboard of a motor vehicle, the push-buttons illuminated at the rear by means of a single light source associated with a light guide made of a transparent material it extends transversely in front of rear faces of said buttons, characterized in that the buttons are made of a transparent material and that the front face of the light guide, which extends in front of the rear faces of the buttons, is substantially flat, so that the variation of distance between the back face of a button and the front face of the light guide is translated by a variation of the illumination intensity of the front face of said button, this front face being weakly illuminated in the non-pressed position of the button and more strongly in the pressed position of said button. (Machine-translation by Google Translate, not legally binding)