INFORMATION CODE GENERATION METHOD, INFORMATION CODE, INFORMATION CODE READER AND INFORMATION CODE UTILIZATION SYSTEM

摘要

PROBLEM TO BE SOLVED: To provide a configuration that realizes ex-post utilization of the inside of a code area as an area for confirming a history of product purchase or service provision or confirming time of next product purchase or service provision.SOLUTION: An information code generation device 2 generates an information code with a configuration for providing in the inside of a code area: a specific pattern area in which a specific pattern having a prescribed shape is arranged; a data recording area that uses multiple kinds of the cells to record data; an error-correcting code recording area that uses the cells to record an error-correcting code; and an entry area that enters at least any one of information showing an execution history or execution result of already-executed product purchase or service provision and information for specifying time for the product purchase or service provision to be executed next time.