| 摘要 |
An antenna device includes a ground plate, a feed section insulated from the ground plate, two radiating conductors each coupled to a corresponding short-circuit section coupled to the feed section and the ground plate, extending in parallel to the ground plate, and spaced a predetermined distance apart from the ground plate; and a feeder circuit that supplies electric power to the radiating conductors, the two radiating conductors are disposed, on the ground plate, at positions symmetric about the midpoint of the ground plate, the feeder circuit supplies electric power in opposite phases to the two radiating conductors, and the two radiating conductors have bent portions of the same form.
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