Method and apparatus for making a print having an invisible coordinate system
US6894794B1 · kind B1 · utility
115Cited by
18References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 24, 1999 |
| Grant date | May 17, 2005 |
| Priority date | — |
| Expiry date | Jun 24, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2201/3271
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A print and method of making a print having a invisible coordinate system on the same side as the image using a digital printer. The print may include additional invisible information which relates to specific parts of the image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.