POWER MANAGEMENT DEVICE AND METHOD
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United States of America Patent
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Issued Date -
Nov 28, 2013
app pub date -
Mar 14, 2013
filing date -
May 23, 2012
priority date (Note) -
Abandoned
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Abstract
An apparatus and method for power management includes a first power supply module for obtaining power according to Power over Ethernet (PoE) technology and transmitting the power into a first power supply; a second power supply module providing a second power supply; a power detecting module outputting a first power voltage value corresponding to the first power supply; a power switching module receiving and outputting the first power supply, and outputting the second power supply when a switching signal is received; a mode determination module determining auto switching mode or manual switching mode and thereby generating an auto switching mode signal or manual switching mode signal; a control module transmitting a notification message when the first voltage value fails to meet a predetermined voltage during manual switching mode, and transmitting the switching signal when the first voltage fails to meet the predetermined voltage during auto switching mode.
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