USB host device for printer interface
US7520437B2 · kind B2 · utility
4Cited by
20References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 21, 2005 |
| Grant date | Apr 21, 2009 |
| Priority date | — |
| Expiry date | Sep 4, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2201/3233
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present invention relates to providing a printing device which allows for user authentication. The printing device may communicate with the authentication device using universal serial bus (USB) protocol, wherein the printing device contains a universal serial bus (USB) host. User authentication may encompass the provision of valid identifying information or presenting sufficient funds as a condition prior to performing a print job or granting access to data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.