FOLDER-TYPE MOBILE PHONE WITH PIEZO SPEAKER

摘要

A folder-type mobile phone having a piezo speaker is provided to efficiently use the limited space of a mobile phone and to output bell sounds or music at a high quality and a high level by installing a piezo speaker, separated from a receiver, at the lower side of an auxiliary LCD. A PCB(22) to control an auxiliary LCD(21) is installed at the inner side of a folder part. At the lower side of the auxiliary LCD(21), the first piezo speaker(23) is installed. A transparent cover(25) is installed at the upper side of the auxiliary LCD(21). A plurality of radiation holes(24) are circularly arranged around the transparent cover(25). A fixing member(26) to fix both sides of the first piezo speaker(23) is installed at the upper side of the PCB(22). As the fixing member(26) supports the upper and lower surfaces of the first piezo speaker(23) at the same time, a resonance part(24) is formed at the upper and lower sides of the first piezo speaker(23).