Image reading device
US5640251A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 24, 1995 |
| Grant date | Jun 17, 1997 |
| Priority date | — |
| Expiry date | Jul 24, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/1931
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An image reading device includes a photoelectric conversion array of a number of photoelectric conversion elements arranged in a first direction; and a scanner which scans photoelectric conversion elements in the first direction, the scanner having: a first scanning mode of scanning respective photoelectric conversion elements of two or more primary regions defined in the photoelectric conversion array in parallel; and a second scanning mode of scanning respective photoelectric conversion elements of two or more secondary regions defined in a particular primary region in parallel, and a switch which switches over the first and second scanning modes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.