| 摘要 |
This antenna apparatus is provided with two antenna elements, two feeding lines, a feeding point provided at one end of the antenna element, and a feeding point provided at the one end of the antenna element. The feeding lines extend in a first direction from the feeding points. The antenna element extends from the feeding point in a second direction perpendicular to the first direction, and the antenna element extends from the feeding point in a third direction which is oriented opposite to the second direction. The antenna apparatus is provided with a sleeve element which has an end which is connected to a respective grounded conductor of each of the feeding lines at positions near the feeding points, and extends in the first direction from the position near the feeding points.
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