TWO-DIMENSIONAL CODE FOR PREVENTING FORGERY OF PRINTED MATTER AND PRINTED MATTER HAVING TWO-DIMENSIONAL CODE

摘要

PROBLEM TO BE SOLVED: To provide a voice code 1 capable of preventing forgery and judging the genuineness of a printed matter.;SOLUTION: In a voice code including a data element region and a data recognition T marker formed in a T-shape with a line segment and a header line for segmenting and positioning the data element region, a plurality of data recognition T markers arranged parallel to one side of the data element region is set as one array unit, a specific marker P having one or a plurality of 8 positions is arranged in a region R in which the header line of the data recognition T marker is positioned in a black region composed of an area of 1/16 to 1/4 of the area of the cell, at least one of the 3 data recognition T markers is replaced by at least one data recognition T marker in the array unit of the 4 data recognition T marker surrounding the data element region, and the specific marker is arranged such that one of the black regions and the other black region are 1/4 or more of the length of one side of the cell.;SELECTED DRAWING: Figure 2;COPYRIGHT: (C)2019,JPO&INPIT