Patent · US Expired

Dual function headlight for a motor vehicle with a single light source and fixed optics

US6893148B1 · kind B1 · utility

1Cited by
14References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 26, 2000
Grant dateMay 17, 2005
Priority date
Expiry dateApr 26, 2020

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF21S41/338
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A motor vehicle headlight has a light source cooperating with optical means to produce a beam which is generally spread widthwise. The optical means, such as a reflector, are adapted to produce in the beam two separate zones of maximum light intensity. The headlight gives two alternative functions, such as a short range lighting function for negotiating bends, and a foglight function, without the need for any movable optical components. The disclosure is also directed to a pair of vehicle lights so adapted, one on the right and one on the left of the vehicle.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.