US 6,982,648 B2
Lighting or indicating light unit for a vehicle and lighting or indicating system equipped with at least one such light unit
Christophe Cros, Bobigny Cedex (France); Alexis Dubrovin, Bobigny Cedex (France); and Patrick Lacombe, Bobigny Cedex (France)
Assigned to Valeo Vision, Bobigny Cedex (France)
Filed on Sep. 24, 2002, as Appl. No. 10/253,549.
Claims priority of application No. 01 12399 (FR), filed on Sep. 24, 2001.
Prior Publication US 2003/0067220 A1, Apr. 10, 2003
Int. Cl. G08B 21/00 (2006.01)
U.S. Cl. 340—641 16 Claims
OG exemplary drawing
 
1. A light unit for a vehicle comprising a shell containing light means—and an electronics card mechanically associated with the shell, wherein the electronics card comprises:
a supply connector to an electrical power supply device;
a standard connector being intended to be linked to a multiplexed bus of an on-board network of the vehicle;
control means for controlling the light means, said control means being connected to said supply connector and to said standard connector to allow commands and information on status of the light unit to be exchanged over the multiplexed bus; and
an internal bus connected to the control means and to the light means for exchange between them of commands generated by the control means and of the status information.