| 摘要 |
PROBLEM TO BE SOLVED: To provide a product with a coding pattern suitable for applications to different types of displays.SOLUTION: A product 30 includes a sheet 32 transparent to visible radiation and a coding pattern 40 having a scattering dot 42 on the sheet 32 for coding information, which diffusely scatters incoming radiation to the scattering dot, the coding pattern further having a reflection dot 44 on the sheet corresponding to the diffusion dot and the reflection dot mirror-reflecting incoming radiation to the reflection dot.SELECTED DRAWING: Figure 2 |
