Process and device for remotely tracking a person's activity in a building
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United States of America Patent
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Jul 13, 2010
Grant Date -
Nov 23, 2006
app pub date -
Mar 20, 2006
filing date -
Mar 24, 2005
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Predefined electrical signals, produced by an electrical equipment in the building during a change of electrical operating state of said equipment, are detected on the building's power supply system. By analyzing each detected electrical signal, tracking data is generated including information relating to the date of detection, the electrical equipment originating the signal and the corresponding change in electrical state. At least one parameter representative of the activity carried out by said person is determined, in the form of a probability of an activity or a type of activity being carried out, based on tracking data generated during a predefined period of time.
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