Patent ID: 8384547
Filing Date: 2013-02-26
Classification: G06K,H01Q

Abstract:
1. A wireless integrated circuit device comprising: a wireless integrated circuit chip including a power supply circuit that includes a resonant circuit including at least one coil pattern; and a radiation plate arranged to externally radiate a transmission signal supplied from the power supply circuit and to supply a reception signal externally transmitted to the power supply circuit; wherein the radiation plate is coupled to the power supply circuit via a magnetic field; the radiation plate includes at least one radiation portion arranged to externally exchange a transmission-reception signal and a power supply portion arranged to exchange a transmission-reception signal with the power supply circuit; the power supply portion is arranged such that at least a portion thereof extends across a projection plane of the at least one coil pattern and an area of the power supply portion within the projection plane of the at least one coil pattern is less than an area of the projection plane of the at least one coil pattern; and the projection plane of the at least one coil pattern included in the power supply circuit is arranged so as to overlap with the power supply portion of the radiation plate, and the projection plane extends over at least one outer edge of the power supply portion.