Image-input device
US7920300B2 · kind B2 · utility
4Cited by
10References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 27, 2006 |
| Grant date | Apr 5, 2011 |
| Priority date | — |
| Expiry date | Feb 3, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2201/0446
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A device includes: a first lighting unit that illuminates an object at a first incident angle; a second lighting unit that illuminates an object at a second incident angle, the second incident angle being larger than the first incident angle; an image-input unit that receives light and generates image signals in accordance with the received light; and a guiding unit that guides light diffusely reflected from the object illuminated by either the first lighting unit or the second lighting unit to the image-input unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.