Power-Supply Circuit For An Electrical Appliance Having A Battery And A DC-TO-DC Converter
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United States of America Patent
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Issued Date -
Mar 21, 2013
app pub date -
Sep 13, 2012
filing date -
Sep 16, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A power supply circuit for a small electrical appliance is disclosed. The power supply circuit includes a battery; a first load with a relatively high power consumption; a controllable switch; at least a second load with a low power consumption; and a DC-to-DC converter. The first load is connected to the battery via the controllable switch and the DC-to-DC controller supplies power from the battery to the second load, such that the controllable switch supplies to the first load a pulsed voltage having a pulse-pause ratio. The DC-to-DC converter powers the second load at least during the pauses.
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