Non-image pixel data stored on hard-copy image media
US7114660B1 · kind B1 · utility
6Cited by
33References
42Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 29, 2000 |
| Grant date | Oct 3, 2006 |
| Priority date | — |
| Expiry date | Jan 21, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K19/06
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An image bearing article includes a support; a visible image recorded on the support; invisible information recorded on the support, the invisible information relating to and in registration with elements of the visible image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.