Control keys field for electrical or electronic systems, more particularly an - thief steel systems for motor vehicles

摘要

The present invention relates to a control keyboard of a system of electrical or electronic, in particular for motor vehicle anti-theft system, characterized by the fact that it comprises: a housing (100, 200) which houses a printed circuit (500), a membrane made of elastic material of the silicone type provided with conductive zones (328) in order to connect to the control of the conductive areas (528) associated provided on the printed circuit (500) and a plate optical prism (400) forming a diffuser adapted to ensure the lighting of the keyboard, in which the plate prism (400) and the printed circuit (500) are snapped into the housing (100, 200) and the silicone membrane (300) ensures the immobilization of the prism (300) and of the printed circuit (500).