Two-dimensional CMOS sensor array to image documents and other flat objects
US8542412B2 · kind B2 · utility
1Cited by
15References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 13, 2009 |
| Grant date | Sep 24, 2013 |
| Priority date | — |
| Expiry date | Mar 19, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2201/0446
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A flatbed scanner includes a housing, a transparent platen atop the housing for receiving an object to be scanned, and a carriage operable to travel along a horizontal direction and a vertical direction. The carriage includes a light source for illuminating the object and a rectangular photodetector array for simultaneously detecting light intensity of multiple scan lines.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.