Patent ID: 6414437
Filing Date: 2002-07-02
Classification: B60Q,H05B,Y02B

Abstract:
A device for controlling illumination devices of motor vehicles, wherein said illumination devices are cycled with a rated current and a brightness level of said illumination devices is adjusted with a pulse width modulated signal; said device comprising:an electrical power source; illumination devices correlated with at least two functional areas and connected to said electrical power source; actuating elements configured to activate said illumination devices; at least one microprocessor (4), wherein said actuating elements are connected to said at least one microprocessor (4), wherein said at least one microprocessor (4) is configured to convert signals emitted by said actuating elements into pulse width modulated signals supplied to output terminals (12 . . . n) of said at least one microprocessor (4); driver stages (24 . . . n) connected to said output terminals of said at least one microprocessor (4) and to said illumination devices and configured to transmit said pulse with modulated signals to said illumination devices; a current limiter stage (15 . . . n) for each one of said driver stages (24 . . . n).