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    • 20. 发明授权
    • Speaker
    • 扬声器
    • US06621912B2
    • 2003-09-16
    • US09791872
    • 2001-02-26
    • Shigeru SugiyamaHajime KitamuraNaohiro FujinamiYoshio ImahoriHitoshi Yamashima
    • Shigeru SugiyamaHajime KitamuraNaohiro FujinamiYoshio ImahoriHitoshi Yamashima
    • H04R2500
    • H04R9/04
    • Fixing of a voice coil (16) to a diaphragm (12) is performed by caulk-fixing a coil supporting member (26) to the diaphragm (12) and by fit-supporting the voice coil (16) by the coil supporting member (26). Hereby, the voice coil 16 is physically fixed to the diaphragm (12) and its fixing strength is heightened. The caulk-fixing is performed by subjecting a caulking projection of the coil supporting member (26) to a plastic deformation thereby to provide a caulk-fixed portion (26b), whereby deformation injurious to the acoustic property does not occur in the diaphragm (12). Further, the fit-supporting is performed by interposing a flange portion (16a1) formed at an upper end portion (16a) of the voice coil (16) between an engaging portion (26a) of the coil supporting member (26) and a central flat portion (12b) of the diaphragm (12) and holding it by them from upper and lower sides.
    • 音圈(16)固定在隔膜(12)上是通过将线圈支撑构件(26)固定在隔膜(12)上并通过线圈支撑构件(16)将音圈(16) 26)。 因此,音圈16物理地固定在隔膜(12)上,其固定强度提高。 通过对线圈支撑构件(26)的铆接突起进行塑性变形从而形成填缝固定部(26b)来进行铆接固定,由此在隔膜(12)中不会发生对声学特性有损害的变形 )。 此外,通过将形成在音圈(16)的上端部分(16a)处的凸缘部分(16a1)插入在线圈支撑构件(26)的接合部分(26a)和中心 隔膜(12)的平坦部分(12b)并且由它们从上侧和下侧保持。