Illumination device
US5144539A · kind A · utility
10Cited by
2References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 28, 1991 |
| Grant date | Sep 1, 1992 |
| Priority date | — |
| Expiry date | May 28, 2011 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21V11/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An illumination device having a reflecting plate, at least one linear light source arranged on a first side of the reflecting plate, a diffusing plate arranged on a second side of the reflecting plate, and a light quantity adjusting member formed integrally with the reflecting plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.