Power line adapter and method of controlling power line adapter operated in power-saving mode
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United States of America Patent
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Jul 6, 2010
Grant Date -
Apr 16, 2009
app pub date -
Apr 30, 2008
filing date -
Oct 12, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A power line adapter and its controlling method to be operated in a power-saving mode are disclosed. The power line adapter includes a power-transmitting module for generating a DC supply voltage and a data-transmitting module for transmitting data. Furthermore, the data-transmitting module at least includes a power line communication circuit and an Ethernet physical layer transceiver. The controlling method comprises steps of: monitoring a link signal generated by the Ethernet physical layer transceiver when the power line adapter is operated in an active mode; and, disconnecting the DC supply voltage to the power line communication circuit and entering the power-saving mode if the link signal indicates a disconnection over a first time period.
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