POWER-SAVING DEVICE FOR POWER OVER ETHERNET AND CONTROL METHOD THEREFOR
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United States of America Patent
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Issued Date -
Jun 3, 2010
app pub date -
Dec 2, 2009
filing date -
Dec 3, 2008
priority date (Note) -
Abandoned
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Abstract
A power-saving device for use with a Power-over-Ethernet technology includes a plurality of connecting ports, a time generator, a storage medium, a power control unit, and a micro controller. The connecting ports are electrically connected with respective powered devices for transmitting electrical power and data to respective powered devices. The time generator is used for generating time information. The storage medium is used for storing a power schedule table. The power control unit is electrically connected with the connecting ports for transmitting electrical power to the connecting ports. The micro controller is connected with the time generator, the storage medium and the power control unit. According to the power schedule table read out from the storage medium by the micro controller and the time information generated by the time generator, a power-outputting status of the power control unit is controlled by the micro controller.
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