System and method for a power meter to communicate through a power line
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United States of America Patent
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Jul 19, 2016
Grant Date -
Jul 30, 2015
app pub date -
Apr 9, 2015
filing date -
Nov 23, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
The disclosure relates to a meter for monitoring usage of power provided by a power transmission system to a site and a related method. The meter comprises: a meter module connected to a power feed associated with the transmission system to provide readings relating to the power; a connection to a household AC power supply providing power to the meter; a rectifier circuit connected to the AC power to generate a DC power signal; a voltage detection circuit to detect a low voltage condition where an output from the rectifier circuit drops below an operational threshold for the meter and to generate a low voltage signal upon detection of same; and a message generation module for receiving the low voltage signal and for generating a power loss message for transmission carried on a message carrier having on a carrier having frequency between approximately 2 MHz and 30 MHz.
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