Patent ID: 8245931

Claim:
An information display system, comprising: a dot pattern printing sheet comprising a dot pattern having coordinate position code information, which is printed on an outer sheet thereof so as to be low in visibility and optically readable, said printing sheet comprising a white layer and an inner sheet, said white layer being provided on a print surface of said dot pattern, said inner sheet being provided on said white layer; an optical reading means for optically reading the coordinate position code information; a server device; an information transfer means for transferring the coordinate position code information read by the optical reading means to said server device, said server device for outputting associated information that is accumulated in advance in association with the coordinate position code information; and an information display means for displaying the associated information output from the server device, wherein the dot pattern is printed in a state in which a coordinate system of the dot pattern is inverted with respect to a coordinate system viewed from a front surface side of the outer sheet such that the dot pattern is printed on a rear surface of the outer sheet through gravure printing, and the dot pattern is read by the optical reading means through the outer sheet from the front surface side of the outer sheet.