System and method for providing uniform illumination as received by an optical detector
US6917452B2 · kind B2 · utility
2Cited by
3References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 20, 2001 |
| Grant date | Jul 12, 2005 |
| Priority date | — |
| Expiry date | Jan 24, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/02885
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present invention is directed to a system and method which capture images by use of an optical detector. The system and method illuminate a scan region utilizing a bulb that emits light of greater intensity near its extremities than at its center to provide image light to an optical detector via an optical reduction component.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.