| 摘要 |
PROBLEM TO BE SOLVED: To enhance the security of equipment to be controlled through the radio communication between a terminal and the equipment. SOLUTION: The terminal 1000 includes a first transmission/reception means 100 capable of controlling a control distance, and the equipment control system is characterized in that the terminal 1000 changes the communication distance in response to the control importance or a degree of danger or a degree of effect when the terminal 1000 transmits a signal to the equipment 2000 in order to control the equipment 2000. COPYRIGHT: (C)2007,JPO&INPIT
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