POWER MANAGEMENT SYSTEM AND METHOD
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United States of America Patent
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Issued Date -
Sep 23, 2010
app pub date -
Jan 29, 2010
filing date -
Mar 18, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
In one embodiment, provided is a method that includes detecting disconnect of a link at a Universal Serial Bus (USB) device coupled to a USB host via a USB bus, disconnecting the USB device from the USB bus, and modifying a power state of the USB device to a reduced power state. Disconnecting the USB device from the USB bus includes configuring the USB device such that the USB host recognizes the USB device as being disconnected from the USB bus. The reduced power state allows the USB device to monitor a status of the link such that the USB device is able to detect a reconnect of the link.
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