Verification of goods using IC tags

摘要

In goods genuineness/counterfeit discrimination using IC tags (202), contradictory problems of the reliability and lifetime of the IC tags and the accuracy of goods genuineness/counterfeit discrimination are solved and circulation of a goods (201) mounted with defective IC tags (202) is prevented. A ratio of a number (B) of IC tags (202) having sent information indicative of the fact that the IC tags are mounted on the same object member (201) to a number (A) of IC tags (202) from which the information is to be sent originally is determined and the genuineness/counterfeit discrimination is performed with the ratio. With regard to adopting combination of genuineness/counterfeit discrimination, information necessary for detection is added to a goods (201) and information of the inspection area is stored in the IC tags. When the number of defective IC tags is large, a goods (201) mounted with the IC tags (202) is collected.