Patent ID: 8251558
Filing Date: 2012-08-28
Classification: F21S

Abstract:
1. A headlamp system for a vehicle, comprising: a mode switch, having an interface to means interiorly accessible to an occupant of the vehicle for selecting from among a plurality of different headlamp beams, the mode switch having means for enabling switching to the selected headlamp beam; two housings, each provided so as to be mountable on a vehicle in a headlamp position; two light-reflector assemblies, one for each housing, installed in a respective one of the housings and each electrically coupled to the mode switch and having an interface for electrically coupling to a power source; and two driver circuits, one for each light source, coupled to the respective light source and to the mode switch, and providing a lower operating current in response to use of the mode switch to select an on-road beam than in response to use of the mode switch to select an off-road beam, wherein each light-reflector assembly includes only one light source and only one reflector, and the plurality of light beams includes an on-road low beam and an on-road high beam, and also includes at least one off-road beam differing from both on-road beams by providing a greater total radiated power.