Document validator subassembly
US6994203B2 · kind B2 · utility
2Cited by
23References
39Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 2, 2002 |
| Grant date | Feb 7, 2006 |
| Priority date | — |
| Expiry date | Aug 13, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07D7/121
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A subassembly for a document validator. In an implementation, the subassembly includes a housing, a light pipe core seated in the housing, a light control layer and at least one light source. The apparatus may also include a prism structure layer between a top diffusing surface and the light control structure. The housing may also include at least one input light port on at least one end of the light pipe core.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.