Electronic circuit device operable under power supply
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United States of America Patent
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Jan 11, 2011
Issued Date -
N/A
app pub date -
Dec 21, 2008
filing date -
Dec 21, 2007
priority date (Note) -
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Abstract
An electric circuit device operable under a power supply includes: a circuit; a first switch connected between the power supply and the circuit; a capacitor tending to produce a first leakage current; a second switch connected between the power supply and the capacitor, the second switch producing a second leakage current when it is cut off, the second leakage current being less than the first leakage current; and a switch controller for turning on the second switch while both the first switch and the second switch are turned off, and after a first time passes for turning on the first switch.
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