Luminaire assembly
US6027231A · kind A · utility
22Cited by
7References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 24, 1997 |
| Grant date | Feb 22, 2000 |
| Priority date | — |
| Expiry date | Dec 24, 2017 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21W2131/40
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An improved luminaire assembly having an HID lighting source with an upper reflector portion and a lower refractor portion. This luminaire assembly provides downlight control and glare control properties for a concentrated, narrowly spaced downwardly directed illumination. The downward light control below horizontal to uniformly distribute downward directing the light rays below horizontal to angle in the range between 30.degree. to 50.degree. vertical.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.