| 摘要 |
PROBLEM TO BE SOLVED: To provide a mobile phone that can prevent illegal use without the need for any special operation. SOLUTION: A main body 10 transmits a confirmation signal to a permission device 30 (s11). When the main body 10 receives a permission signal (s12: YES), '0' is set to a variable (n) (s13), and when no permission signal is received (s12: NO), '1' is set to the variable (n) (s14). When no operation button 22 is depressed (s15: NO), the processing by the main body 10 is finished. On the other hand, when the operation button 22 is depressed (s15: YES) and the variable (n) is set to '0' (s16: YES), the main body 10 executes the function (s17), and when the '1' is set to the variable (n) (s16: NO), the main body 10 completes the processing without executing any function.
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