发明名称 SPEAKER WITH EARPHONE FUNCTION
摘要 A speaker with an earphone function comprises a main body, magnet, washer, voice coil, diaphragm, front cover, rear cover and sound tube; it is characterized in that a conventional earphone housing is integrated with a housing of a speaker unit used in an earphone to enable the main body to be used as the speaker housing concurrently so as to save the production material and cost of a speaker housing, and a speaker assembly and the an earphone assembly can be completed at one time so as to reduce the earphone assembly cost. Furthermore, a diameter of a diaphragm can be relatively increased and a length of an earphone front chamber in front of the diaphragm can be shortened so that the bass quality can be elevated and the alt loss can be decreased.
申请公布号 US2009233652(A1) 申请公布日期 2009.09.17
申请号 US20090397430 申请日期 2009.03.04
申请人 YANG JEN-HAN 发明人 YANG JEN-HAN
分类号 H04M1/00 主分类号 H04M1/00
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