Patent · US Expired

Light emitting device providing a collimated light beam

US6916112B2 · kind B2 · utility

0Cited by
1References
45Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 2, 2003
Grant dateJul 12, 2005
Priority date
Expiry dateJul 2, 2023

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B15/6835
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A light emitter is disclosed herein. An embodiment of the light emitter comprises a tube, a first aperture, a second aperture, a lens, a base mechanism, and a light path. The tube has a first end and a second end. The first aperture is located proximate the tube first end and the second aperture is located proximate the tube second end. The lens is located within the tube. The base mechanism is attached to the tube first end and has a cavity formed therein. The light path extends between the cavity and the second aperture and passes through the first aperture and through the lens.

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