High intensity indirect lighting fixture
US3950638A · kind A · utility
33Cited by
1References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 14, 1973 |
| Grant date | Apr 13, 1976 |
| Priority date | — |
| Expiry date | Nov 14, 1993 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21S8/06
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A luminaire for use with high intensity discharge lamps so that such lamps can be used in rooms of average height even as low as 8 or 9 feet. The luminaire includes a suspended bowl-shaped reflector that opens towards the ceiling and prevents glare and direct viewing of the light source.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.