Using reflectance properties
US8508801B2 · kind B2 · utility
1Cited by
4References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 26, 2008 |
| Grant date | Aug 13, 2013 |
| Priority date | — |
| Expiry date | Jun 13, 2032 |
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.