Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Meter protection or fraud combatting
Patent
1997-04-15
2000-09-12
Metjahic, Safet
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Meter protection or fraud combatting
34087002, 340637, G01R 2106
Patent
active
061182699
ABSTRACT:
An electric meter tamper detection system for sensing removal of an electric meter from a corresponding meter socket and for generating a tamper signal is disclosed. In this system, the tamper signal is relayed to a headend when the electric meter--connected in series with and monitoring current flow through at least one conductor--has been removed from the meter socket. At least one resistor is electrically connected to the line-side of the conductor. A light emitting diode is electrically coupled to the resistor and to the load-side of the conductor. A transistor receives the tamper signal from the light emitting diode when the electric meter is removed from the meter socket. A microprocessor is coupled to the transistor, receives the tamper signal from the transistor, and relays the tamper signal to said headend. Thus, the headend is immediately notified if and when the electric meter is removed from its meter socket. A modular meter based utility gateway enclosure which resides between a power meter and a meter socket of a residence or other building supports multiple interchangeable local area network (LAN) and wide area network (WAN) interface cards is also disclosed.
REFERENCES:
patent: 5293115 (1994-03-01), Swanson
patent: 5488565 (1996-01-01), Kennon
patent: 5586130 (1996-12-01), Doyle
patent: 5750983 (1998-05-01), Swanson
Comverge Technologies, Inc.
Metjahic Safet
Solis Jose M.
LandOfFree
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