Paper money, coin, valuable instrument, certificates, tag, label, card, packing containers, documents, respectively installed with integrated circuit

摘要

Although a product having such the IC chip has been diffused, information on the product may be capable of being perceived, abstracted, falsified, or the like by a third person with his external device during distribution of the product or after purchase of the product. Further, privacy may be seriously infringed. Paper money, various products, and the like are disclosed according to the present invention with an integrated circuit device having a switching memory for controlling reading and writing of information (lock/unlock of information) in order to protect the information recorded and stored in the integrated circuit such as an IC chip installed to the product or the like.