System and methods for encoding information for printed articles
US9667829B2 · kind B2 · utility
23Cited by
5References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 4, 2015 |
| Grant date | May 30, 2017 |
| Priority date | — |
| Expiry date | Nov 4, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2201/0202
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present disclosure relates generally to digital watermarking for spot colors. In one implementation a substitute spot color+CMY tint is selected to replace an original spot color. The CMY tint can be transformed to carry a digital watermark signal. Of course, other features, combinations and technology are described herein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.