Vehicle headlight system

Details Vehicle headlight system Vehicle headlight system

B - Operations, Transporting

60

Q

B60Q 11/00 (2006.01) H05B 39/04 (2006.01) H05B 39/10 (2006.01)

Patent

CA 2344857

A vehicle headlight control for adaptively controlling the duty cycle of a PWM voltage to one or more headlamp filaments. The control includes fault detectors whereby the failure of one or more filaments caused the intensity of the remaining filaments to be adjusted to approximate the illumination intensity of the inoperable filaments.

L'invention concerne une unité de commande de phare d'un véhicule, conçue pour adapter le cycle de travail d'une tension modulée en largeur par impulsion, d'un ou plusieurs filaments de phare. Cette commande comprend des détecteurs de défaillance, de manière que, par suite de la défaillance d'un ou de plusieurs filaments, elle puisse régler l'intensité des filaments restants pour que l'intensité d'éclairage de ces derniers se rapproche de celle des filaments défaillants.

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