Product-marking system and method for marking a product
US11861430B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 13, 2020 |
| Grant date | Jan 2, 2024 |
| Priority date | — |
| Expiry date | Aug 27, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K7/12
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A system (100) and a method for marking a product (10) utilize an encoding that specifies the presence or absence of each of a plurality of luminescent materials, at least one of which exhibits a predetermined decay behavior. The decay behavior of a plurality of different materials is detected, and based thereon the presence or absence of the luminescent materials is inferred. A corresponding encoding specifies whether or not the respective materials are present. In this way, different encodings can be associated in advance with different properties of the product (10). The luminescent materials that specify the associated encoding can be applied to the product (10) as a mark (20) in accordance with a determined property of the product (10).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.