Patent · US Expired

Luminaire

US5301090A · kind A · utility

304Cited by
6References
16Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 16, 1992
Grant dateApr 5, 1994
Priority date
Expiry dateMar 16, 2012

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF21Y2115/10
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A luminaire which has in its housing a multiplicity of groups of light emitters of different colors or pluralities of optical waveguides constructed to emit light progressively along the lengths thereof and a diffuser at which the colors can be mixed and from which the light emerges. The emitters can be controlled at the housing or light can be delivered to the optical waveguides by optical fibers from remote light sources.

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