Contact image sensor module and image reading device equipped with the same
US7471428B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 14, 2005 |
| Grant date | Dec 30, 2008 |
| Priority date | — |
| Expiry date | Jan 12, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/0467
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A contact image sensor module includes: a first image sensor, having a first light receiving element set aligned in a straight line; a second image sensor, having a second light receiving element set aligned in parallel to the abovementioned first light receiving element set; a first lens unit, forming, on the abovementioned first light receiving element set, a clear image of a first object, which is positioned at a first distance from light receiving surfaces of the abovementioned first light receiving element set; and a second lens unit, forming, on the abovementioned second light receiving element set, a clear image of a second object, which is positioned at a second distance, differing from the above mentioned first distance, from the light receiving surfaces of the abovementioned first light receiving element set.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.