Communication apparatus for communicating data between separate toplogies, and related method, storage medium, and program
US7200685B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 11, 2003 |
| Grant date | Apr 3, 2007 |
| Priority date | — |
| Expiry date | Jun 18, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2201/0022
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In a connection form of PC-printer-digital camera, for example, to enable a printing function from a PC to a printer, a direct printing function from a digital camera to a printer, and a function of directly transferring image data on a memory card of the digital camera to storage means on the PC, without changing the connection of each device, a printer comprises a virtual USB function which receives data from a PC directly connected via a communication line, a USB host which requests a digital camera also directly connected via the communication line for a data transfer and obtains data, a USB function capable of inputting and outputting the data received by the virtual USB function and the data obtained by the USB host, respectively, and a virtual USB function which transfers the data obtained from the digital camera to the PC.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.