Tampering detection for an electric meter
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United States of America Patent
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Nov 29, 2016
Grant Date -
Sep 17, 2015
app pub date -
Mar 17, 2014
filing date -
Mar 17, 2014
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A tamper detection system for an electricity meter includes an antenna, an RF signal level circuit, and a controller. The antenna is configured to receive an RF signal. The RF signal level circuit is supported within an electricity meter housing and is operatively connected to the antenna. The RF signal level circuit is configured to detect the RF signal received by the antenna and to provide a strength signal corresponding to a magnitude of the RF signal. The controller is supported within the electricity meter housing, and is operatively connected to the RF signal level circuit. The controller is configured to generate an RF signal strength value based at least in part on the strength signal, and to generate a tamper flag responsive at least in part to a determination that the RF signal strength value exceeds a threshold value.
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