COLOR PRINTED MATTER, DISCRIMINATOR, FORMING METHOD OF COLOR IMAGE AND DISCRIMINATING METHOD OF COLOR DUPLICATED MATTER

摘要

PROBLEM TO BE SOLVED: To provide a color printed matter, in which neither color tone nor graduation of an original color image is impaired and which has the high shadowing properties of a concealed design, or the like.;SOLUTION: Among plates for producing a color printed matter, a plate M, a plate Y and a plate K are the same plates as those of the ordinary color printed matter. In a plate C 11, a discriminating pattern part 5a, a discriminating pattern edging part 5b and a background part 7 are provided. The hatching lines of the discriminating pattern part 5a, of the discriminating pattern edging part 5b are formed to be 90° to the patching lines of the background part 7. In addition, the patching line of the discriminating pattern part 5a and that of the discriminating pattern edging part 5b are formed so as to have the same pitch and the same angle and stagger by half the period.;COPYRIGHT: (C)2000,JPO