Scanner navigation system with variable aperture
US6429422B1 · kind B1 · utility
45Cited by
8References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 12, 1999 |
| Grant date | Aug 6, 2002 |
| Priority date | — |
| Expiry date | Nov 12, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2201/04743
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A portable scanner for document imaging includes at least one position detector. The position detector has an optical detector and an aperture assembly adjacent the optical detector. The aperture assembly has a first aperture size and a second aperture size. The aperture assembly is adjustable between the first aperture size and the second aperture size.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.