MOBILE COMMUNICATION DEVICE

摘要

A mobile communication device is provided and includes an antenna element and a switching element. The antenna element converts a radio-frequency signal into an electromagnetic wave and includes an excitation portion and a shorting portion. The excitation portion receives the radio-frequency signal and a direct-current signal. The shorting portion is electrically connected to a ground element. The shorting portion and the excitation portion are spaced by a coupling gap. The switching element is electrically connected between the excitation portion and the shorting portion, and switches the structure of the antenna element according to the direct-current signal.

主权项

1. A mobile communication device, comprising:
an antenna element converting a radio-frequency signal into an electromagnetic wave and comprising: an excitation portion receiving the radio-frequency signal and a direct-current signal; and a shorting portion electrically connected to a ground element, wherein the shorting portion and the excitation portion are spaced by a coupling gap; and a switching element electrically connected between the excitation portion and the shorting portion and switching a structure of the antenna element according to the direct-current signal.