Composite power supply
US8502413B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 7, 2010 |
| Grant date | Aug 6, 2013 |
| Priority date | — |
| Expiry date | Aug 19, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J2207/30
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A composite power supply includes a plurality of power cluster lines, at least one USB port and at least one DC port formed on a surface of a casing, and the power cluster lines, the USB port and the DC port are electrically connected to a circuit board and the circuit board includes a plug-and-play circuit electrically connected to the USB port and provided for an electronic device to access electric power through the USB port, so as to waive the inconvenience of booting a computer before using the electric power, and the circuit board includes a DC-DC conversion circuit electrically connected to the DC port, and a knob or a multi-stage switch in the DC-DC conversion circuit is provided for adjusting the output voltage of the power ports to improve the convenience of the application significantly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.