| 摘要 |
<p>PURPOSE:To suppress information communication from an external apparatus at the time of generating defective connection and to guarantee a normal communication state by providing the title system with a touch sensor, a data processing circuit, etc., and starting transmission to an information card at the time of receiving communication enabled signal. CONSTITUTION:When the information card X is loaded to a transmitter/receiver Y, the load is detected by the touch sensor 60 and a signal is inputted to a data processing circuit 44. When magnetic coils 31-33 are normally and magnetically connected to magnetic coils 1-3 so as to be opposed to the coils 1-3, a radio wave obtained by synthesizing DC power supply and a clock pulse is transmitted to the coil 3 by electromagnetic induction. At the time of receiving an information communication enabled signal indicating the connection of the card X with the transmitter/receiver Y based upon power and information communication, the data processing circuit 44 starts information communication to the card X. Namely, information communication from an external apparatus at the time of defective connection can be suppressed by confirming the connection of the card X with the transmitter/receiver Y based upon the communication enabled signal and normal communication state can be guaranteed.</p> |
