LONG-DISTANCE CONSTANT-VOLTAGE ELECTRICITY-FEEDING METHOD WITH WAKE-UP FUNCTION AND SYSTEM
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United States of America Patent
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Issued Date -
Aug 22, 2013
app pub date -
Sep 8, 2011
filing date -
Oct 28, 2010
priority date (Note) -
Abandoned
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Abstract
Disclosed are a wired long-distance constant-voltage electricity-feeding method with a wake-up function and a system. A smart electricity supply module of a central electricity supply device generates a feed voltage from a central electricity source, and feeds the voltage to a terminal electricity source module through a feed line. Said smart electricity supply module can continuously provide electricity at a constant voltage to the terminal electricity source module and can change feed voltage polarity according to set rules when the terminal electricity module in sleep-mode must be remotely waken up. A voltage polarity monitoring module of said terminal electricity source module can determine, by monitoring the polarity of the voltage of the centrally fed electricity, whether to wake up the terminal electricity source module from sleep-mode to enter a normal electricity-supplying mode. The electrical feed circuit and the wake-up function are easy to implement, and provide a versatile power feed and high energy efficiency while reducing withstand-voltage process requirements.
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