Power source switchover apparatus and method
US7852046B2 · kind B2 · utility
5Cited by
42References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 18, 2009 |
| Grant date | Dec 14, 2010 |
| Priority date | — |
| Expiry date | Aug 18, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J9/061
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An apparatus for switching from a first power supply to a second power supply. Such an apparatus may determine which of the first and second power supplies has a greater voltage, and may power a device from the power supply having the greater voltage or charge. A single boost converter may be used regardless of which power supply is providing power.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.