| 摘要 |
In an antenna system, a short-circuiting conductive plate and a power-supply conductive plate are bent at the center region of a metal plate so as to be perpendicular to the planar surface of the metal plate. The remaining metal plate excluding the short-circuiting conductive plate and the power-supply conductive plate constitutes the emission conductive plate. The antenna system is mounted on a ground plane and the emission conductive plate is disposed parallel to the ground plane. The bottom end of the short-circuiting conductive plate is soldered to the ground plane and the bottom end of the power-supply conductive plate is connected to a power-supply circuit.
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