| 摘要 |
A product according to the invention has according to one aspect a surface which is provided with an image in the form of a coding pattern. The coding pattern comprises symbols which represent at least two different values and where each symbol comprises a raster point and at least one marking. The raster point is included in a raster which extends over the surface and the value of each symbol is indicated by the placement of the marking in relation to a raster point. The markings each have a spatial extent which, in combination, at least partially form the image. |
