Antenna device and electronic apparatus including antenna device
AssigneeKabushiki Kaisha Toshiba
InventorsIppei Kashiwagi, Koichi Sato, Hiroyuki Hotta
Life of this patent
Estimating the term…
Abstract
According to one embodiment; an antenna device according to this embodiment includes the first antenna element formed from a folded monopole element and a capacitor element. The first antenna element has a first end connected to a feeding terminal, a second end connected to the first ground terminal, and a middle portion folded, with a stub being provided between the forward portion and backward portion formed by this folding. The capacitor element is inserted between the stub and the above feeding terminal of the forward portion of the first antenna element.
Claims16
An antenna device comprising:
- a first antenna element with a stub, the first antenna element being connected between a feeding point and a first ground point, the first antenna element being folded at a folded end to form a forward portion and a backward portion, the forward portion being connected between the feeding point and the folded end and the backward portion being connected between the first ground point and the folded end, and the stub being connected between the forward portion and the backward portion;
- and
- a capacitor element connected between the stub and the feeding point in the forward portion.
An electronic apparatus comprising:
- a radio circuit configured to transmit and receive a radio signal;
- and
- an antenna device connected to the radio circuit via a feeding point and a first ground point,
- the antenna device comprising
- a first antenna element with a stub, the first antenna element being connected between the feeding point and the first ground point, the first antenna element being folded at a folded end to form a forward portion and a backward portion, the forward portion being connected between the feeding point and the folded end and the backward portion being connected between the first ground point and the folded end, and the stub being connected between the forward portion and the backward portion, and
- a capacitor element connected between the stub and the feeding point in the forward portion.
Dependencies are inferred from the claim text.