Lightweight dual-mode mobile scanner powered from a universal serial bus port
US6459506B1 · kind B1 · utility
26Cited by
6References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 2, 2000 |
| Grant date | Oct 1, 2002 |
| Priority date | — |
| Expiry date | Jan 24, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/484
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A portable dual-mode scanner device capable of being powered through a universal serial bus connection where the individual components of the portable scanner are selectively and controllably powered so as to function within the power limitations of the usb port (i.e., 5 Volts, 2.2 watts) without appreciable degradation of a captured image whether that image resides on a transparent media (i.e., a negative) or an opaque media (i.e., paper) is described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.