| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a print including a visible image and a latent image and making the pattern of the latent image appear on a region having the visible image formed thereon when the print is copied by using a color copying machine. <P>SOLUTION: In the print, first halftone regions and second halftone regions are formed on a base material. The visible image is formed of an image element formed on the first halftone region, and the latent image is formed of a latent image element including a material whose color is changed when copied by the color copying machine is formed on the second halftone region. When the print is observed under visible light, only the visible image is observed, and on a copy formed by copying the print, the latent image appears on the region where the visible image is formed. <P>COPYRIGHT: (C)2013,JPO&INPIT |
