USB compound device without embedded hub and implement method in USB system
US7188206B2 · kind B2 · utility
5Cited by
9References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 22, 2004 |
| Grant date | Mar 6, 2007 |
| Priority date | — |
| Expiry date | Apr 7, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2213/4002
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A USB system includes at least one USB hub, a USB Compound Device, and at least one USB dummy device which is connected to a downstream port of the USB hub. The USB compound device includes an upstream port, a plurality of USB devices and a control unit for setting the states of the plurality of USB devices, wherein when the state of one of the plurality of USB devices is ‘on’ and the USB device has not been assigned an address, the USB device is capable of setting its address according to a received assigning address packet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.