Apparatus for alignment of material to be scanned in a flat-bed scanner
US5625469A · kind A · utility
9Cited by
4References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 29, 1995 |
| Grant date | Apr 29, 1997 |
| Priority date | — |
| Expiry date | Jun 29, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2201/0422
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A scanning apparatus providing an object focal plane for original documents to be scanned, wherein a scan carriage containing illumination, sensor, and optical elements is moved together to scan an original document and to obtain a digitized representation thereof. The movable carnage further includes an automatically-positioned alignment grid for aligning original documents, such that the grid is visible at the surface and moves with the scan carriage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.