Circuit arrangement for providing a DC operating voltage
US8085519B2 · kind B2 · utility
1Cited by
6References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 5, 2007 |
| Grant date | Dec 27, 2011 |
| Priority date | — |
| Expiry date | Oct 16, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02H9/005
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention relates to a circuit arrangement for providing an operating DC voltage from a mains voltage, more particularly to operating circuits comprising a clocked electronic converter. Such operating circuits are preferably used for lamps or other light sources. The present invention protects such circuit arrangements from transient mains overvoltages. As soon as a mains overvoltage occurs a diverter switch Th connects the voltage-sensitive switch S11 of the electronic converter to a storage capacitor C12.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.