| 摘要 |
PROBLEM TO BE SOLVED: To make it possible to read only when correct hue is complemented to a portion where no hue is attached.SOLUTION: An optical recognition code 10 is provided in which a plurality of cells are arranged to which one hue out of hue of three or more colors is attached, respectively. No hue is attached to at least one cell 20a of the plurality of cells 20. When a predetermined hue is complemented to the cell 20a to which the hue is not attached, the optical recognition code 10 represents data by transition of the hue attached to each of the plurality of the cells 20. |
