Light monitor window and method of using same
US6028681A · kind A · utility
11Cited by
6References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 5, 1997 |
| Grant date | Feb 22, 2000 |
| Priority date | — |
| Expiry date | Dec 5, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/40056
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A document scanner having a scanner carriage with an integrally formed light monitor window and tab provides a positive, reliable feedback path for adjusting digital image gain controls to provide a uniform digital image during and after an initial lamp warm up period of time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.