| 摘要 |
A read/write method using a non-contact system and used between a storage substrate and a read/write unit, the method including a storage substrate providing a memory at a card or other substrates, and a read/write unit, the storage substrate providing a coil for power supply, a coil for receiving data to be recorded in a memory, a coil for outputting toward the read/write unit the data recorded in the memory, and a coil for receiving a mode command, the read/write unit providing coils corresponding to four coils at the storage substrate, so that the respective corresponding coils at the storage substrate are insertably positioned in the magnetic flux generated by each coil at the read/write unit, whereby the read/write unit writes data in the memory at the storage substrate, or the data stored in the memory at the storage substrate is read by the read/write unit.
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