Lighting projector
US4064425A · kind A · utility
8Cited by
3References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 14, 1977 |
| Grant date | Dec 20, 1977 |
| Priority date | — |
| Expiry date | Jan 14, 1997 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21W2131/205
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lighting projector, notably for surgical theatres, comprising a central case enclosing light sources, and radial basic elements of tubular configuration provided with optical means for reflecting the light rays received from said sources towards the area to be illuminated, said means comprising notably a first mirror and a second mirror, the latter being disposed on the path of the light rays and capable of returning one portion thereof towards the area to be illuminated while allowing the other fraction to pass towards said first mirror located at the outer end of the element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.