Using reflectance properties
US9436059B2 · kind B2 · utility
0Cited by
9References
20Claims
0Family size
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Key dates
| Filing date | Aug 2, 2013 |
| Grant date | Sep 6, 2016 |
| Priority date | — |
| Expiry date | Jul 24, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K2215/0094
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method includes applying at least one medium to a substrate with a printing device to form a symbol. The perceived reflectance properties of the symbol are provided by an amount of the at least one medium applied to the substrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.