| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an antifalsifying method of a card, which can visually confirm a latent image picture only through an exclusive authenticity judging filter without being restricted by tolerance and minuteness of image, a transfer medium of the card and a magnetic recording medium. <P>SOLUTION: In the antifalsifying method of the card, to which a latent image is added, the transfer medium of the card provided with a latent image picture forming portion, in which the latent image picture can be formed to be visible only by viewing through a circularly polarizing plate is employed so as to recognize an item is a genuine one, when the latent image is visible and the item is a forged one, when no visible image is present in order to provide the antifalsifying method of the card, transfer medium of the card and the magnetic recording medium. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
