Patent · US Expired

Lighting projector

US4068117A · kind A · utility

2Cited by
3References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 14, 1977
Grant dateJan 10, 1978
Priority date
Expiry dateJan 14, 1997

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF21W2131/205
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

This lighting projector, notably for surgical theaters, comprises a plurality of elongated basic elements extending radially from a central casing outwards and disposed by pairs in relative alignment and a light source for each pair of elements, disposed adjacent one of the two elements involved, with a pair of frosted zones adjacent said source, and a reflection mirror and an optical system adapted to form an image of said source on the field to be illuminated after reflecting said image on said mirror.

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