| 摘要 |
PURPOSE:To prevent malfeasant use from being performed by disabling the key input of portable terminal equipment by nullifying the key input by operating an internal burglary state deciding means when a burglary signal is received from the outside. CONSTITUTION:The system is equipped with a reception circuit 7 which receives a wave transmitted from an external device such as a host computer 20, etc., via an antenna and extracts transmission data, the burglary state judging means 1, 3a whether or not it is a burglary state by receiving the transmission data extracted with the reception circuit 7, and key input nullifying means 1, 3b which nullify the key input of a data input means when it is judged that it is the burglary state as the result of above judgement. In such a way, since the key input of the portable terminal equipment is disabled when the burglary signal is received from the outside, no data processing can be performed, which prevents the malfeasant use of the portable terminal equipment performed even when burglary occurs. |
