Luminaire
US4404620A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 4, 1980 |
| Grant date | Sep 13, 1983 |
| Priority date | — |
| Expiry date | Dec 4, 2000 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21V7/09
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A luminaire comprises a light source and a reflector which has an opening for emitting light and an apex opposed the opening, and which reflects light emitted from the light source in a desired direction. The reflector having a first area at the intermediate portion between the opening and the apex thereof consisting of a plurality of reflecting surface units with inclined surfaces located at both sides thereof, and a second area disposed at least partially between the intermediate portion and the opening consisting of hammer tone finished reflecting surfaces formed at least partially on a portion located nearer to the opening for emitting light than the first area is located to.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.