Coding pattern and apparatus and method for determining data values in the coding pattern
US7172131B2 · kind B2 · utility
20Cited by
18References
46Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 5, 2003 |
| Grant date | Feb 6, 2007 |
| Priority date | — |
| Expiry date | Dec 14, 2023 |
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.