To provide a flat non-contact information transfer device, which increase strength and whose operation is different depending on a front or rear direction, and method/system for processing information.
The non-contact information transfer device TF is constituted by laminating a circuit board Cb provided with an antenna system Ant and an integrated circuit chip IC, a magnetic sheet which makes its one surface face the board Cb and consisting of high magnetically permeable material in the form of covering one surface of the system Ant2 and a metallic base Bm making its one surface face the other surface of the sheet Sm and consisting of a conductive material in the form of covering the one surface of the system Ant 2 through the sheet Sm. The information processing system detects the presence/absence of the device TF in accordance with the front/rear direction of this suspended device TF or transfer information between with the device TF in accordance with the front/rear direction of the suspended device TF.
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