Apparatus and method for illumination of an optical platen
US7148466B2 · kind B2 · utility
16Cited by
6References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 18, 2003 |
| Grant date | Dec 12, 2006 |
| Priority date | — |
| Expiry date | Jan 25, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V40/1324
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An apparatus for optically imaging an object includes an optical platen having an object receiving surface. The object receiving surface is directly illuminated by a first light source, and is illuminated by total internal reflection by a second light source.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.