Patent 7718905 was granted and assigned to Sony on May, 2010 by the United States Patent and Trademark Office.
An electronic device has housing having plural inner surfaces, plural modules in the housing, and a communication section provided on each of the plural modules. The communication sections perform wireless communication to each other. One inner surface having the largest area among the plural inner surfaces of the housing has an electric wave absorber that absorbs an electric wave for use of the wireless communication.