Ticket management system, ticket input device, control method of ticket input device, program and storage medium

摘要

PROBLEM TO BE SOLVED: To verify whether an output ticket is the original output ticket having outputted an electronic ticket.;SOLUTION: Specific information is added to the electronic ticket so that the information is added to the output ticket having outputted the electronic ticket, but not added to an illegal output ticket formed by duplicating the original paper ticket. Consequently, the specific information can be obtained from the original output ticket, but cannot be obtained from the forged output ticket. For the purpose, the originality of the output ticket can be verified by deciding whether the specific information can be obtained from the output ticket.;COPYRIGHT: (C)2002,JPO