Method for manufacturing a two-dimensional coloured bar code and associated security device
US12138949B2 · kind B2 · utility
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9Claims
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Key dates
| Filing date | Jul 15, 2020 |
| Grant date | Nov 12, 2024 |
| Priority date | — |
| Expiry date | Jan 7, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB42D25/351
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A method for manufacturing a two-dimensional colored bar code comprising an arrangement of colored basic structural elements encoding at least one information element, the manufacturing method comprising determining, by data processing means, a set of colored basic structural elements corresponding to the at least one information element, at least one structural element of the set comprising a pattern; and forming the at least one structural element of the set on a backing, in order to create the arrangement of colored basic structural elements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.