| 摘要 |
There is provided with a responder system having a coil for noncontact connection in response to input or output, using an IC tag, which is stably adhered to an objective article such as metal or plastic, which is an insulating material or an induced material. According to the present invention, (1) a portion, to which a responder is adhered, is an approximately flat plane or a curved face that is curved inward, and (2) a coil, which has a component in the same direction of the flat plane and a component in a vertical direction to the flat plane, is constituted. Voltage is induced to the coil by a magnetic field in a direction perpendicular to a coil wire and in a direction parallel to the flat plane, so that electric power is supplied to the IC. Furthermore, ferrite cores having cylindrical-shaped, square-shaped, or semi-cylindrical shaped cross sections are used for a coil and a core, and a device for transmitting and receiving signals is provided.
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