Data transmission using optical codes
US9785876B2 · kind B2 · utility
1Cited by
0References
17Claims
0Family size
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Key dates
| Filing date | Sep 29, 2014 |
| Grant date | Oct 10, 2017 |
| Priority date | — |
| Expiry date | Sep 29, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K19/06093
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Data can be encoded in an optical code by a method and a system using combinations of visually distinguishable features. In some cases, the data is represented using a ratio of two or more features.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.