Line segment code for embedding information in an image
US10679105B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 28, 2018 |
| Grant date | Jun 9, 2020 |
| Priority date | — |
| Expiry date | Dec 28, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K19/10
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for identifying, by a computer system, at least one line of a plurality of lines that are disposed at a first layer of a card; providing, by the computer system and based on the identified at least one line, control signals to a laser device of the computer system, the control signals indicating coordinates for the identified at least one line; generating, by the laser device and based on the control signals, one or more line patterns that are embedded at a particular layer of the card.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.