Patent ID: 8539121

Claim:
A device for connecting an electronic unit, without distinction either to a screen of a first type or to a screen of a second type, both types of screen possessing a display member, the display member of the screen of the first type having a resolution less than a resolution of the display member of the screen of the second type, the screen of the first type also being fitted with at least one loudspeaker, the connector device comprising a display line, a sound line, and an external connection connector possessing connector elements distributed in a first series for connection to the display members of screens, and a second series for connection to the loudspeaker of the screen of the first type or to the display member of the screen of the second type, the display line being connected to the connector elements of the first series, the sound line being connected to an input of a switch member that has an output connected to the connection elements of the second series and that is controlled by a detector element for detecting the type of screen connected, the detector element comprising a comparator having an input connected by a conductor to connector elements of the connector, said conductor also being connected to ground through a resistor and said comparator haying an output connected to the switch member to control the switch member to take up a connection state in which the switch member connects the sound line to the connector when the connected screen is of the first type so that the sound line feeds the loudspeaker of said screen with an analog electrical audio signal, and a disconnection state in which the switch member disconnects the sound line from the connector when the connected screen is of the second type.