| 摘要 |
PROBLEM TO BE SOLVED: To prevent the illegal use of a storage device and an information processor, and data theft. SOLUTION: The storage device 10 in the information processor 100 is provided with a power supply circuit 11 for feeding power to respective parts of the storage device 10 and a radio frequency(RF) receiving circuit 12 for receiving a prescribed radio signal, the power supply 41 of an information processing part 40 always feeds power to the power circuit 11 and the RF receiving circuit 12, a prescribed signal is outputted to the power supply circuit 11 only while the RF receiving circuit 12 receives a radio signal transmitted by a radio signal sender unit 30, power is fed to the respective parts of the storage device 10 only while the power supply circuit 11 inputs the prescribed signal, and hereby, information can be read and written from/to a hard disk 14. |
