Infrared filter system for fluorescent lighting
US7452104B2 · kind B2 · utility
3Cited by
13References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 15, 2003 |
| Grant date | Nov 18, 2008 |
| Priority date | — |
| Expiry date | Oct 15, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J61/40
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method and apparatus that effectively filters infrared light from fluorescent lighting and that is easily adapted to typical fluorescent lighting and assemblies. A fluorescent lighting fixture includes a cover for filtering the infrared light from a fluorescent light source of the fixture. The cover includes an infrared filter for substantially preventing emission of infrared light from the fluorescent lighting fixture and a protective layer for preventing damage to the infrared filter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.