PROBLEM TO BE SOLVED: To prevent an intruder from ransacking rooms or running away, so as to improve possibility of criminal arrest or to minimize damage, in a home network.;SOLUTION: When detecting the intruder by sensors 2 installed in a house, the detection of the intruder is notified to a home server 1, and power of a place where the intruder exists or an adjacent place adjacent to the place wherein the intruder exists is shut off by the home server 1.;COPYRIGHT: (C)2009,JPO&INPIT
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