Patent 7436661 was granted and assigned to Microsoft on October, 2008 by the United States Patent and Trademark Office.
An external AC power adaptor having an additional compartment for cooling. The adaptor has a housing that defines a first compartment having power circuitry for converting an AC input to a DC output and a second compartment that has an opening formed in the adaptor housing. A heat transfer plate is disposed between the first and second compartments.