Load condition controlled power strip
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United States of America Patent
Stats
-
Jun 21, 2011
Grant Date -
Dec 16, 2010
app pub date -
Aug 20, 2010
filing date -
Jun 27, 2008
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In accordance with various aspects of the present invention, a method and circuit for reducing power consumption of a power strip is provided. In an exemplary embodiment, a power strip is configured for reducing or eliminating power during idle mode by disengaging an outlet from power input. A power strip may include two or more outlets and two or more outlet circuits, with AC power input connected to the outlets through the outlet circuit(s), which may include a current transformer, a control circuit, and a switch. The current transformer secondary winding provides an output power level signal proportional to the outlet load. If behavior of the current transformer secondary winding indicates that the outlet is drawing substantially no power from the AC power input, the switch facilitates disengaging of the current transformer primary from the outlet.
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