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    • 10. 发明授权
    • Speaker and method of producing the same
    • 演讲者及其制作方法
    • US08126188B2
    • 2012-02-28
    • US11718827
    • 2006-02-20
    • Tomoyasu TakaseMitsutaka EnomotoKazuya YamasakiKazutaka KuboMasahide Sumiyama
    • Tomoyasu TakaseMitsutaka EnomotoKazuya YamasakiKazutaka KuboMasahide Sumiyama
    • H04R1/00
    • H04R31/006H04R2209/024Y10T29/49005
    • A plate material is drawn into the shape of a rectangular dish and the peripheral border of each corner is press worked. A yoke is fabricated which has an outwardly projecting tongue-like flange provided at a position a predetermined distance below the top end surface. A frame made of resin is insert molded in a manner covering the flange. A magnet is secured inside the yoke and a magnetic circuit having magnetic gap is formed. A diaphragm joined with a voice coil is joined with the frame. By making a loudspeaker in this way, the bonding strength between the yoke and the frame is enhanced and a low-profile loudspeaker is achieved. Also, clearance at each corner of the yoke is eliminated, and a loudspeaker that is free from magnetic flux leakage and excellent both in quality and performance is obtained.
    • 将板材拉成矩形盘的形状,并且对每个拐角的周边边缘进行加压加工。 制造轭,其具有设置在距顶端表面下方预定距离的位置处的向外突出的舌状凸缘。 由树脂制成的框架以覆盖凸缘的方式嵌入成型。 磁轭被固定在磁轭内部,形成具有磁隙的磁路。 与音圈连接的隔膜与框架连接。 通过以这种方式制造扬声器,提高了轭和框架之间的结合强度,并实现了低调扬声器。 此外,消除了磁轭的每个拐角处的间隙,并且获得了没有磁通泄漏并且在质量和性能上都优异的扬声器。