Patent · US Expired

Apparatus for establishing substantially uniform distribution of light

US7061690B1 · kind B1 · utility

4Cited by
4References
16Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 18, 2005
Grant dateJun 13, 2006
Priority date
Expiry dateFeb 18, 2025

Classification

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

Abstract

A device that includes a parabolic or hyperbolic lens that operates by receiving a uniform or non-uniform input light beam and produces a relatively uniform illumination of an illumination surface.

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