Pattern for coding a numerical information item on a surface and marking and reading methods
US9224028B2 · kind B2 · utility
1Cited by
8References
16Claims
0Family size
Assignee
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Key dates
| Filing date | Nov 15, 2011 |
| Grant date | Dec 29, 2015 |
| Priority date | — |
| Expiry date | Nov 15, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K19/06103
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A pattern for coding numerical a information item on a surface, including a specific arrangement of a plurality of symbols belonging to a set of symbols (ENS1), and each symbol in the arrangement being intended for the coding of a portion of said numerical information item, wherein each symbol includes at least one differential pair of elements (E1, E2) positioned in a specific way, each element being characterized by a parameter, the parameter of the first element of each differential pair having a first value and the parameter of the second element of each differential pair having a second value different from the first value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.