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Intrusion detection methods and apparatus exploit the infrastructure of the building itself. The preferred embodiments use the existing power line infrastructure to provide power, data, and sensor observables to a monitoring system which is simply connected at one point, namely, the connection of the building to the city power grid. Computer network interfaces may also be used. In terms of sensors, impedance, capacitive, inductive, electric field and Radar modalities may be used.
US 7,619,518 B2
Michigan Technological University, Houghton, MI (US)
Certificate of Correction
Engineering | Structural Engineering
Subotic, Nikola; Roussi, Christopher; Jensen, Peter; and Buller, William, "Intrusion detection methods and apparatus that use a building's infrastructure as part of a sensor" (2009). Michigan Tech Patents. 109.