×

Incandescent lamp

  • US 6,439,739 B1
  • Filed: 09/26/2000
  • Issued: 08/27/2002
  • Est. Priority Date: 09/28/1999
  • Status: Expired due to Term
First Claim
Patent Images

1. A motor vehicle headlight comprisinga first incandescent coil for generating a high beam, a second incandescent coil for generating a daytime running beam, the first and second incandescent coils being partially enclosed by a reflector, the reflector having an optical axis, the first incandescent coil being located on the optical axis, the second incandescent coil operating at a substantially constant voltage, emitting light with a substantially lower intensity than the first incandescent coil and being positioned in the reflector to produce a light beam which is evenly distributed between a portion of the light beam which is directed to street level and one of more portions of the light beam that are directed to other directions, the light beam being more widely distributed horizontally and in a plane parallel to a front surface of a vehicle in which the headlight is mounted, than a light beam from the first incandescent coil.

View all claims
  • 6 Assignments
Timeline View
Assignment View
    ×
    ×