Reflector for a linear light source and louvre controller incorporating the same
US7434965B2 · kind B2 · utility
0Cited by
2References
22Claims
0Family size
Inventor
Key dates
| Filing date | Dec 4, 2001 |
| Grant date | Oct 14, 2008 |
| Priority date | — |
| Expiry date | Jul 4, 2022 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2103/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A louvre controller for a linear light source has plural transverse reflectors 33 and each located between side reflectors 31, 32. The transverse reflectors have arcuate surfaces forming a double concave reflector and a base 38 of the transverse reflectors is profiled to provide predetermined vertical cut-off angles for all horizontal angles of azimuth.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.