Product provided with a coding pattern and apparatus and method for reading the pattern
US7588191B2 · kind B2 · utility
19Cited by
20References
51Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 8, 2005 |
| Grant date | Sep 15, 2009 |
| Priority date | — |
| Expiry date | Jun 1, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V10/19
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A product provided with a coding pattern which comprises a plurality of marks, each of which represents one of at least two different values, and which further comprises a plurality of nominal positions, each of said plurality of marks being associated with a nominal position and the value of each mark being determined by its location relative to its nominal position. The invention also comprises use of the product.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.