| 摘要 |
PROBLEM TO BE SOLVED: To provide a non-contact IC tag that makes it possible to visually confirm that a commodity purchased by a customer in a store has been settled and can prevent shoplifting, and a checking system using the same.SOLUTION: A non-contact IC tag comprises, on a base material, at least an integrated circuit, an antenna coil and a light-emitting element. When information unique to a commodity given to the integrated circuit is read with a non-contact reading terminal, only if the information unique to a commodity is checked, the light-emitting element changes from the non-light-emission state to the light-emission state or from the light-emission state to the non-light-emission state. |
