Patent ID: 7250867
Filing Date: 2007-07-31
Classification: G06K,G08B,H01B,H01Q

Abstract:
1. A wireless IC tag comprising: an IC chip having identification information stored therein; a first antenna having a predetermined length and connected to said IC chip, wherein said IC chip transmits said identification information with use of an operating power generated from a radio wave having a predetermined frequency received via said first antenna; a first spacer provided between a member and said first antenna for maintaining a distance therebetween, said first spacer being mounted on said member; a second antenna having a predetermined length for resonating to said radio wave of said predetermined frequency; and a second spacer provided between said first antenna and said second antenna for maintaining a distance between both antennas, wherein said first antenna and said second antenna are flat antennas insulated from each other by said second spacer, and are disposed in parallel to each other on opposite surfaces of said second spacer.