Patent attributes
According to an aspect of the invention, there is provided an antenna device housed within a wireless device, including: a first case and a second case at least partly overlapping with each other, the first and second cases electrically connected with each other and slidable to open and close the antenna device; a first board housed within the first case; a second board housed within the second case; a first unbalanced antenna element connected to a first feeding point located in a vicinity of a first edge departing from the second case among edges of the first board when the first case and the second case are slid in a direction to open the wireless device; and a second unbalanced antenna element being connected to a second feeding point located in a vicinity of a second edge substantially perpendicular to the first edge among edges of the second board.
