Image scanner
US6373601B1 · kind B1 · utility
3Cited by
4References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 17, 1999 |
| Grant date | Apr 16, 2002 |
| Priority date | — |
| Expiry date | Feb 17, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/1008
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An image scanner employs sliding elements to keep a regular depth of field between a scanning module and a scanned object. The image scanner comprises a housing, a scanning plate for holding scanned object, a plurality of sliding elements, a movable carriage, a scanning module and a driving device. The sliding elements pinch at the both sides of scanning plate and slide freely lengthwise along the scanning plate and the carriage is fixed at the sliding elements. Because the scanning plate is the same reference base for both carriage and scanned object, it is easy to keep the regular distance between carriage and scanned object.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.