USB interface provided with host/device function and its control method
US7895386B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 25, 2007 |
| Grant date | Feb 22, 2011 |
| Priority date | — |
| Expiry date | Jan 25, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F13/426
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A USB interface provided with USB host/device function and its control method is disclosed. The USB interface includes a control unit, a USB host, a USB device, a memory, a port router and a plurality of connection ports. The control unit is used to define the connection ports to be either an upstream port or downstream port. It also controls signal flows within the USB control interface. The signal flows are provided for the USB host and the USB device. The memory is used to store data during the operation of the USB control interface. The USB host is coupled to an external device via the port router, and the USB device is coupled to an external host via the port router.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.