Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
October 6, 2015
Patent Application Number
13607735
Date Filed
September 9, 2012
Patent Citations Received
Patent Primary Examiner
Patent abstract
A power adapter and an electrical connector for the power adapter operate to provide power to an electronic device such as a laptop computer. The power adapter includes a switch and a circuit for detecting whether or not the electrical connector is connected to the electronic device. If the adapter is not connected to an electronic device, the switch is opened so that no power is drawn from an AC supply. The electrical connector includes first and second conductors that are electrically connected to the detection circuit. The detection circuit detects a change in potential when the connector is plugged into an electronic device.
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