Patent 7663602 was granted and assigned to Microsoft on February, 2010 by the United States Patent and Trademark Office.
Keyboard input functionality is provided when a removable portion of the keyboard is docked into the base unit. The removable portion may be the undocked from the base unit. A keyboard removable portion may include alphanumeric functionality and may be of a reduced size for off-desk implementation. Since the base of the keyboard may be wired, it may also charge the removable portion of the keyboard. The base may also include the wireless receiver for cooperating with a wireless keyboard or wireless mouse.