Patent · US Expired

Movable light projector

US5228765A · kind A · utility

3Cited by
1References
23Claims
0Family size

Inventor

Key dates

Filing dateNov 20, 1991
Grant dateJul 20, 1993
Priority date
Expiry dateNov 20, 2011

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF21W2131/406
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A light projector includes a light source, which provides a light stream, an elongate light wand, including an elongate transparent rod therein, for converting the light stream into an elongate light beam. An optical connector is provided for connecting the light wand to the light source.

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