ANTENNA DEVICE

摘要

This invention is provided with: an antenna element (10) for receiving a broadcast wave and a signal transmitted in superposition on the broadcast wave; and a ground element (30) having a predetermined length, the ground element (30) being configured so that the relative position with respect to the antenna element (10) is adjustable. This invention is also provided with a feeder element (Fp) to which the antenna element (10) and the ground element (30) are connected and where the signal received by the antenna element (10) is taken off.