Original reader
US6424433B1 · kind B1 · utility
21Cited by
7References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 19, 1999 |
| Grant date | Jul 23, 2002 |
| Priority date | — |
| Expiry date | Feb 19, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/193
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An original reader such as an image scanner for inputting image information, provided with a optical source for illuminating an original, a lens unit (8) capable of optically changing resolution, and a solid-state image sensor substrate placed on an image forming plane (10) of the lens, wherein the lens unit (8) includes a plurality of lenses that can deal with a plurality of different resolution and one lens corresponding to a specified resolution is selectively moved into a light path. The lens unit and the solid-state image sensor substrate are independently movable in the direction of optical axis for focusing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.