Method and apparatus for supplying auxiliary power to a bus coupled peripheral
US7024569B1 · kind B1 · utility
32Cited by
10References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 24, 2002 |
| Grant date | Apr 4, 2006 |
| Priority date | — |
| Expiry date | Nov 9, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F1/266
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method and apparatus for supplying auxiliary power to a peripheral is disclosed. The method includes supplying power from a first USB port of a host device to an input USB port of a USB hub device, supplying power through a downstream USB port of the USB hub device for use by a downstream USB device, supplying auxiliary power through a power output port of the USB hub device for use by a peripheral device that is coupled to an upstream port and supplying power from a second USB port of the host device to the peripheral device. The power received by the peripheral device is sufficient for its operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.