Patent ID: 7956750
Filing Date: 2011-06-07
Classification: G06K,H01Q,H04B

Abstract:
1. A wireless IC tag which is readable in a plurality of countries with a plurality of different radio frequency bands for reading and is used in international material distribution management, the wireless IC tag comprising: a case; an antenna, which is provided in the case and is movable with respect to a metal object opposite to the antenna; and distance varying means for varying resonance characteristics of the wireless IC tag by moving the antenna in the case and altering a distance between the metal object and the antenna, wherein the wireless IC tag has a plurality of indicators corresponding to the plurality of different frequency bands, respectively, for setting the distance between the metal object and the antenna as a distance corresponding to a respective one of the plurality of different frequency bands, the distance between the metal object and the antenna is variable by a user's operation to the distance varying means, and resonance characteristics of the wireless IC tag are adjustable in accordance with a radio frequency band used in a destination country by the user's operation to the distance varying means in accordance with a respective one of the indicators that corresponds to the destination country.