Information input device
US6249359A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 15, 1998 |
| Grant date | Jun 19, 2001 |
| Priority date | — |
| Expiry date | Jan 15, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2201/04794
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An image-scanning device which includes an image input unit possessing an image sensor unit that reads images such as characters and graphics on a manuscript illuminated by a light source, transfers the image data corresponding to the read data in a specified size after issuing an image data transfer interrupt request; and an image processing unit possessing a ring buffer that stores the image data being sent from the image input unit on a specified data size basis in specified areas, and which performs image correction on the image data stored in this ring buffer between image data transfer interrupt requests from the image input unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.