Color micro bar code marker and system
US8727221B1 · kind B1 · utility
2Cited by
6References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 20, 2012 |
| Grant date | May 20, 2014 |
| Priority date | — |
| Expiry date | Nov 20, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K19/0614
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A micro marker is formed of geometric features having various colors to apply to an object. The micro marker includes a background having a first color, multiple localization features formed on the background having a second color, and multiple information encoding features, each information encoding feature having a color selected from multiple colors to represent digital values, the information encoding features being arranged proximate the localization features on the background.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.