INFORMATION CODE CREATION METHOD, INFORMATION CODE, INFORMATION CODE READING DEVICE, AND INFORMATION CODE USE SYSTEM

摘要

PROBLEM TO BE SOLVED: To provide a structure capable of using at least part of a code area in an information code as an information addition area to which additional information other than information recorded in a data record area, can be recorded.SOLUTION: An information code 100 comprises in its inside: a specific pattern area on which a predetermined shaped specific pattern is disposed; a data record area to which data is recorded by plural kinds of cells; and an information addition area to which additional information other than information recorded in the data record area is recorded.