Patent · US Expired

Headlamp for motor vehicles

US5289352A · kind A · utility

4Cited by

5References

33Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Bodo Remus · Reutlingen, DE
Dieter Sieber · Mössingen, DE
Jürgen Stein · Wuppertal, DE
Gunter Hege · Gomaringen, DE
Tilman Spingler · Dessau, DE
Friedrich Schmied · Pfullingen, DE
Peter Kusserow · Tegernsee, DE
Hans-Jurgen Schneider · Arnstein, DE
Christian Jager · Stuttgart, DE
Bernhard Worner · Stuttgart, DE
Fred Delb · Bühl, DE
Thomas D. Weigold · Baden-Baden, DE
Kay Kolberg · Ottersweier, DE
Karl-Heinrich Preis · Bühlertal, DE

Key dates

Filing date	Feb 12, 1992
Grant date	Feb 22, 1994
Priority date	—
Expiry date	Feb 12, 2012

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF21S45/33
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A headlamp for motor vehicles has a reflector, a gas discharge lamp, a front plate covering a light exit opening of the headlamp, and a filter arranged in a beam path of light beams reflected by the reflector and light beams transmitted directly to the front plate and at least partially absorbing light in a UV wavelength region.

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