Fluorescent ink detector
US7438378B2 · kind B2 · utility
4Cited by
20References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 30, 2004 |
| Grant date | Oct 21, 2008 |
| Priority date | — |
| Expiry date | May 29, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07B2017/00709
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A printer luminescent ink sensor for a printing device including a radiant energy source; and a photodetector located downstream from a print head of the printing device. The photodetector is adapted to detect luminescent energy from an indicium printed by the print head, upon exposure to radiant energy from the radiant energy source, substantially immediately after the indicium is printed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.