Automatic variable power outlet for energy saving power source
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United States of America Patent
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Mar 18, 2014
Grant Date -
Jul 14, 2011
app pub date -
Oct 7, 2010
filing date -
Oct 8, 2009
priority date (Note) -
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Abstract
A variable power device in a form of a power strip includes a plurality of power outlets for powering electrical devices connected thereto. A current sensing circuit is electrically coupled to each power outlet and senses current flowing through the power outlet and drawn by an electrical device connected to the outlet. A power control circuit selectively provides one of a standby mode power signal and an active mode power signal to a respective power outlet in response to the feedback signal from the current sensing circuit associated with the power outlet.
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