Patent ID: 8005517

Claim:
A mobile communication device comprising: a terminal body; and a speaker module located in the terminal body, the speaker module including: an enclosure located in the terminal body, the enclosure forming a chamber for resonating; a speaker having a front surface and a rear surface, the speaker being located in the enclosure such that the front surface is exposed to a speaker hole formed on a surface of the terminal body and the rear surface is disposed within the chamber to allow a first sound generated from the front surface of the speaker to be emitted through the speaker hole and a second sound generated from the rear surface to resonate within the chamber; and a sound guide connected to the enclosure with a certain length and guiding the sound resonated in the chamber, wherein the sound guide has an end portion opened within the terminal body such that the second sound resonated within the chamber is discharged to an interior of the terminal body separate from the chamber.