Baker Botts L.L.P.
Printed matter, printed matter inspection device, manufacturing method of printed matter, and manufacturing device of printed matter
A printed matter includes: a first sub image embedded in the main image which has the same color as a color of the main image in a human visual sense, and is printed with an ink to absorb light of an infrared wavelength band by a first absorption coefficient; and a second sub image embedded in the main image which has the same color as the color of the main image in a human visual sense, and is printed with an ink to absorb the light of the infrared wavelength band by a second absorption coefficient.
Kabushiki Kaisha Toshiba
H B G B B B B G B G G
H04N B41M G07D B41M B42D B41J B42D G07D B42D G06T G07D
inventional additional inventional additional inventional inventional inventional inventional additional inventional inventional
Fumitoshi Takahisa Takeo Nobuki Shota
Morimoto Nakano Miki Nemoto Kure