Detection of undocking for electronic devices
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United States of America Patent
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Jun 12, 2018
Issued Date -
Jun 22, 2017
app pub date -
Dec 21, 2015
filing date -
Dec 21, 2015
priority date (Note) -
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Abstract
In one example a power management module comprises logic, at least partially including hardware logic, to detect a disconnection on at least one signaling contact in a receptacle prior to a disconnection on the at least one power contact in the receptacle, wherein the receptacle is adapted to mate with a plug, the receptacle comprising a plurality of electrical contacts including at least one power contact to connect with a power pin on the plug and at least one signaling contact to connect with a signaling pin on the plug and in response to the disconnection on the signaling contact, to switch a processor to a low power state prior to a disconnect between the at least one power contact in the receptacle and the power pin on the plug. Other examples may be described.
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