Miniature acoustic generator



The utility model relates to the field of acoustic generation by electroacoustic energy, in particular to a miniature acoustic generator, comprising a frame which is provided with a magnetic circuit system, wherein the magnetic circuit system is provided with a magnetic gap; the side wall of the frame is provided with a sound transmission hole communicated with the magnetic gap of the magnetic circuit system; and the sound transmission hole is provided with an inclined surface. Therefore, an acoustic cavity is not required for being arranged on a front cover of the acoustic generator, thereby reducing the height of the entire acoustic generator; and the acoustic generator is made into a thin type so as to be fit for the tendency of a mounting space gradually reduced.




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    WO-2016086756-A1June 09, 2016歌尔声学股份有限公司Miniature loudspeaker