| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a security printed matter, which is excellent in anti- duplication or antifalsification on the imitation through the formation of a plate itself and the forgery of which can be surely found out. <P>SOLUTION: In security printed matters A1, A2 and A3, on each of which a fine symbol character group 3' comprising fine symbol character consisting of a large number of fine symbols and/or fine characters 3 is printed together with the necessary information 1 and 5 on securities, the fine symbol character group 3' includes at least 2 or more different kinds of type faces and two kinds in the type faces correspond to the '1' or '0' of binary data and are arranged so as to record predetermined data in order to make the judgement of authenticity possible in advance. <P>COPYRIGHT: (C)2004,JPO</p> |
