Patent · US Expired

Signal lamp

US4383290A · kind A · utility

31Cited by

1References

27Claims

0Family size

Assignee

ITT Industries · US

Inventors

Helmut Binder · Berlin, DE
Gerhard Haar · Leinfelden, DE
Eckhardt Schmid · Bietigheim-Bissingen, DE
Hans-Joachim Wirth · Baldwinsville, US

Key dates

Filing date	Jun 30, 1980
Grant date	May 10, 1983
Priority date	—
Expiry date	Jun 30, 2000

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF21W2111/02
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A signal lamp is disclosed for use in automotive vehicles. The lamp includes a housing, a reflector for producing parallel rays, a lens closing the housing in the direction of light exit and diaphragms mounted behind the lens. The outside of the lens is provided with non-reflecting or weakly reflecting transverse stripes to avoid undesired reflections. In one advantageous embodiment, the diaphragms are positioned only in an upper portion of the lamp.

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