Multi power supply system for a portable device
US8129938B2 · kind B2 · utility
9Cited by
1References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 26, 2006 |
| Grant date | Mar 6, 2012 |
| Priority date | — |
| Expiry date | Sep 12, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J7/342
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention discloses a multi power supply system for a portable device, particularly a power supply system having a multi power input interface and a universal serial bus (USB) power output interface and capable of receiving a solar electric power and a general battery power. The invention not only provides a multiple of power transmission interfaces of a rechargeable battery of an electric backup power source for supplying power to the portable device, but also achieves the rectification and protection effects.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.