| 摘要 |
An antenna device includes a first antenna element. The first antenna element includes a first conductive line portion extending from a power supply point, a first turn-back portion connected to the first conductive line portion, a second conductive line portion extending from the first turn-back portion, a second turn-back portion connected to the second conductive line portion, a third conductive line portion extending from the second turn-back portion, a first shortcircuit portion shortcircuiting the first conductive line portion and the second conductive line portion, the first shortcircuit portion being located between a reference portion and the first turn-back portion, the reference portion being located between the first turn-back portion and the second turn-back portion, and a second shortcircuit portion shortcircuiting the reference portion and the third conductive line portion. |
