POWER SUPPLY DEVICE
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United States of America Patent
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Issued Date -
Sep 12, 2013
app pub date -
May 23, 2011
filing date -
Nov 19, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A power supply device includes a power supply circuit and a power information generation part. The power supply circuit performs voltage conversion in which an input voltage applied to a voltage input terminal is converted into a voltage having a predetermined voltage value, and outputs the voltage obtained as a result of the voltage conversion to a voltage output terminal. The power supply circuit includes a switching part for, by a switching operation thereof, chopping a voltage of the voltage input terminal side, and a control circuit that controls the switching operation of the switching part. The power information generation part generates power information concerning power that is outputted from the voltage output terminal based on a content of the switching operation.
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