| 摘要 |
<p>A mobile communication terminal having a waterproof speaker includes a voice coil to which a voice current is applied, a magnet generating a magnetic field by the voice current flowing in the voice coil and producing vibrations of the voice coil, a cone paper receiving the vibrations of the voice coil and generating a sound wave by variation of air pressure, and a speaker frame, at least a part of which is injection molded using synthetic resin, partially accommodating the voice coil, the magnet, and the cone paper, and having a plurality of waterproof holes that are formed at one side of the speaker frame and allow air to pass through the waterproof holes and prevent water from passing through the waterproof holes.</p> |
