Product surface including an optoelectronically readable code

A pneumatic vehicle tire comprising:

• a side wall having a product surface;
• said product surface including a first optoelectronically readable code formed by a plurality of first planar cells of a first cell type and a plurality of second planar cells of a second cell type;
• said first and second planar cells being integral components of said product surface;
• said first planar cells having a first surface profile;
• said second planar cells having a second surface profile;
• at least one of said first and said second surface profiles having at least one of a depression and an elevation with respect to said product surface;
• said first surface profile of said first cell type being configured relative to said second surface profile of said second cell type such that said first surface profile has first reflection properties configured to reflect at a first reflection intensity I1 when light is incident and said second surface profile has second reflection properties configured to reflect at a second reflection intensity I2 when light is incident;
• said second reflection properties differing from said first reflection properties such that a first intensity difference ΔI1=I2−I1 results when light is incident;
• said product surface further including a second optoelectronically readable code formed by a plurality of third planar cells of a third cell type and a plurality of fourth planar cells of a fourth cell type;
• said third and fourth planar cells being integral components of said product surface;
• said third planar cells having a third surface profile;
• said fourth planar cells having a fourth surface profile;
• at least one of said third and said fourth surface profiles having at least one of a depression and an elevation with respect to said product surface;
• said third surface profile of said third cell type being configured relative to said fourth surface profile of said fourth cell type such that said third surface profile has third reflection properties configured to reflect at a third reflection intensity I3 when light is incident and said fourth surface profile has fourth reflection properties configured to reflect at a fourth reflection intensity I4 when light is incident;
• said fourth reflection properties differing from said third reflection properties such that a second intensity difference ΔI2=I4−I3 results when light is incident;
• said first and second surface profiles of said first optoelectronically readable code defining a first maximum absolute intensity difference |ΔI1|;
• said third and said fourth surface profiles of said second optoelectronically readable code defining a second maximum absolute intensity difference |ΔI2|;
• and,
• said first maximum absolute intensity difference |ΔI1| lying in a different direction of reflection than said second maximum absolute intensity difference |ΔI2|.

A conveyor belt comprising:

• a belt body having a product surface;
• said product surface including a first optoelectronically readable code formed by a plurality of first planar cells of a first cell type and a plurality of second planar cells of a second cell type;
• said first and second planar cells being integral components of said product surface;
• said first planar cells having a first surface profile;
• said second planar cells having a second surface profile;
• at least one of said first and said second surface profiles having at least one of a depression and an elevation with respect to said product surface;
• said first surface profile of said first cell type being configured relative to said second surface profile of said second cell type such that said first surface profile has first reflection properties configured to reflect at a first reflection intensity I1 when light is incident and said second surface profile has second reflection properties configured to reflect at a second reflection intensity I1 when light is incident;
• said second reflection properties differing from said first reflection properties such that a first intensity difference ΔI1=I2−I1 results when light is incident;
• said product surface further including a second optoelectronically readable code formed by a plurality of third planar cells of a third cell type and a plurality of fourth planar cells of a fourth cell type;
• said third and fourth planar cells being integral components of said product surface;
• said third planar cells having a third surface profile;
• said fourth planar cells having a fourth surface profile;
• at least one of said third and said fourth surface profiles having at least one of a depression and an elevation with respect to said product surface;
• said third surface profile of said third cell type being configured relative to said fourth surface profile of said fourth cell type such that said third surface profile has third reflection properties configured to reflect at a third reflection intensity I3 when light is incident and said fourth surface profile has fourth reflection properties configured to reflect at a fourth reflection intensity I4 when light is incident;
• said fourth reflection properties differing from said third reflection properties such that a second intensity difference ΔI2=I4−I3 results when light is incident;
• said first and second surface profiles of said first optoelectronically readable code defining a first maximum absolute intensity difference |ΔI1|;
• said third and said fourth surface profiles of said second optoelectronically readable code defining a second maximum absolute intensity difference |ΔI2|;
• and,
• said first maximum absolute intensity difference |ΔI1| lying in a different direction of reflection than said second maximum absolute intensity difference |ΔI2|.