Retrofit LED lighting system
US9033545B2 · kind B2 · utility
19Cited by
0References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 19, 2013 |
| Grant date | May 19, 2015 |
| Priority date | — |
| Expiry date | Aug 19, 2033 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21V29/85
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A retrofit LED lighting system for replacement of existing metal halide lamp driven by magnetic ballast is provided. The retrofit lamp includes a circuit that converts the AC current supplied by magnetic ballast to DC current required for illuminating the LEDs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.