Electronic ballast lighting power control device
US6060842A · kind A · utility
Inventors
Key dates
| Filing date | Nov 26, 1996 |
| Grant date | May 9, 2000 |
| Priority date | — |
| Expiry date | Nov 26, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY04S40/121
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electronic ballast lighting power control device including: a power switch controlled to provide a lighting power dim control signal to order the ballast providing an interrupted electric wave power output to the lighting fixture, and at least one electronic ballast respectively connected to the power switch and simultaneously controlled by the lighting power control signal of the power switch to provide an interrupted electric wave power output from the ballast to the lighting fixture, each of the at least one electronic ballast consisting of a filter, a rectifier, a power factor controller, a logic controller, an oscillator, and a protection circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.