Synchronous regulation for LED string driver
US8779686B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 24, 2011 |
| Grant date | Jul 15, 2014 |
| Priority date | — |
| Expiry date | Jul 3, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B45/38
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A light emitting diode (LED) based luminaire driving arrangement constituted of: a switched driver; a plurality of LED based luminaries arranged to receive power from the switched driver; at least one electronically controlled switch in series with at least one of the plurality of LED based luminaries and arranged to alternatively pass current through the at least one LED based luminaire when closed and prevent the flow of current through the at least one LED based luminaire when opened; and at least one synchronous driver in communication with the at least one electronically controlled switch, the at least one synchronous driver arranged to close the at least one electronically controlled switch only when the switched driver is actively supplying power.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.