Patent · US Expired

Single lens multiple light source device

US7302181B2 · kind B2 · utility

15Cited by
20References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 25, 2003
Grant dateNov 27, 2007
Priority date
Expiry dateMar 9, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10H20/853
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

An optical communication device having multiple light sources under a single lens. The optical communication device has two light sources. The optical communication device has a lens optically coupled to the two light sources. The lens is shaped to direct light from the two light sources towards an axis of the lens. The optical communication device further has a third light source located below the approximate center of the lens.

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