Method of embedding optical security feature using virtual printer and security feature service
US9229671B2 · kind B2 · utility
0Cited by
2References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 27, 2009 |
| Grant date | Jan 5, 2016 |
| Priority date | — |
| Expiry date | May 11, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2201/3278
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method for embedding an optical security feature in a digital document with a virtual printer and a security feature service and then sending the digital document to a hardware printer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.