Covert dot patterns
US11410005B2 · kind B2 · utility
0Cited by
16References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 1, 2018 |
| Grant date | Aug 9, 2022 |
| Priority date | — |
| Expiry date | Sep 27, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/00846
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Examples described herein relate to a system consistent with the disclosure. For instance, the system may comprise a printing device including hardware to form markings on a print medium, a memory resource, and a controller to receive a print job to form the markings on the print medium, render a page description language of the print job to form the markings, determine an object type image of the print job, designate pixels of the determined object type image to form a covert dot pattern on the image, and adjust colors of the designated pixels to form the covert dot pattern on the markings.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.