INFORMATION CODE PRINTED MATTER, PRODUCTION OF INFORMATION CODE PRINTED MATTER, PRODUCTION OF BARCODE PRINTED MATTER AND BARCODE READER

摘要

PROBLEM TO BE SOLVED: To provide an information code printed matter that is excellent in information secrecy, an information code printed matter producing method for producing the information code printed matter, a barcode printing method and a barcode reader for reading a barcode in the information code printed matter. SOLUTION: In this information code printed matter (e.g. barcode seal 1 etc.), image data 4 including at least one or more information codes (e.g. two-dimensional barcode 3 etc.), of a specified color obtained by enciphering prescribed information is printed on a body to be printed (e.g. seal paperboard 5 etc.), and the information codes can be obtained by extracting the image of the specified color from the printed image data.