Power supply device, power supply system and method for controlling the same
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United States of America Patent
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May 23, 2023
Grant Date -
Mar 30, 2023
app pub date -
Oct 6, 2022
filing date -
Oct 31, 2013
priority date (Note) -
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Abstract
A power supply system may include a target device and an adapter. The target device may include an adapter connection switch that receives adapter recognition information to form a connection with the adapter, a voltage detection unit that receives an output voltage from an adapter, and a voltage-change-requesting unit that outputs a voltage to request a voltage change based on information on the output voltage from the adapter. The adapter may include a device information recognition unit that receives the voltage to request a voltage change, and an output-voltage-changing unit that changes the output voltage based on the voltage to request a voltage change.
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