Upstream peripheral device serving as a USB host
US6816931B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 13, 2002 |
| Grant date | Nov 9, 2004 |
| Priority date | — |
| Expiry date | Dec 26, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2201/0082
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A scanner, which can be a USB host, includes a hub, a scanner component, a virtual printer component and an internal host. The hub is connected to a computer host and the scanner. The scanner component stores the basic setting data of the scanner, while the virtual printer component stores the basic setting data of a printer, and both the scanner component and the virtual printer component are connected to the hub. The internal host is respectively connected to the scanner component, the virtual printer component and the printer. With the virtual printer component and the internal host, the scanner can be the USB host, which directly controls the printer to print.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.