A control device includes a mobile control member (F) for emitting a diffuse light beam (LS). An electronic processing unit (V) generates a graphic user interface (VA) and is advantageously connected, via a data link (K1, K2), to a display unit (D, VD). The display unit (D, VD) displays the graphic user...http://www.google.fr/patents/US7495655?utm_source=gb-gplus-shareBrevet US7495655 - Control device