Switching supply device
US5783933A · kind A · utility
23Cited by
4References
55Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 3, 1996 |
| Grant date | Jul 21, 1998 |
| Priority date | — |
| Expiry date | Dec 3, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B70/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed is a switching supply device having a power factor close to unity. The device is characterized by its limited number of components, namely only one power switch, only one control circuit and basic components. Application to power supplies for fluorescent lamps (lighting).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.