Home network, area network using the same, program for computer to execute operation in home network, and computer-readable recording medium storing the program
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United States of America Patent
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Dec 18, 2012
Grant Date -
Jun 10, 2010
app pub date -
Jun 10, 2008
filing date -
Jun 13, 2007
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Slaves are respectively provided corresponding to electric devices, measure, in real time, power usage states and disposed positions of the electric devices to transmit to a master. The master detects operational states of electric devices on operation based on power usage states received from the slaves, and detects a positional relation between electric devices on operation based on disposed positions of the electric devices. Then, the master estimates the number of residents in the house by determining achievability of operational states of electric devices based on the detected operational states and positional relation of electric devices.
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