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    • 8. 发明申请
    • Electroacoustic transducer and electronic apparatus
    • 电声换能器和电子仪器
    • US20070206830A1
    • 2007-09-06
    • US11797593
    • 2007-05-04
    • Sawako UsukiShuji Saiki
    • Sawako UsukiShuji Saiki
    • H04R1/00
    • H04R9/047H04R9/025H04R2499/11
    • In an electroacoustic transducer of the present invention, a casing supports a diaphragm, a drive coil is provided on the diaphragm, a first magnetic structure has a first space in a center thereof provided within the casing such that a center axis penetrates the first space, and a second magnetic structure has a second space in a center thereof provided within the casing on a side opposed to the first magnetic structure with respect to the diaphragm, such that the center axis penetrates the second space. The first magnetic structure is oriented such that a magnetization direction thereof is parallel to the center axis. The second magnetic structure is oriented such that a magnetization direction thereof is opposite to the magnetization direction of the first magnetic structure.
    • 在本发明的电声换能器中,壳体支撑隔膜,驱动线圈设置在隔膜上,第一磁性结构在其中心具有设置在壳体内的第一空间,使得中心轴穿过第一空间, 并且第二磁性结构在其中心处具有相对于隔膜相对于第一磁性结构的一侧设置在壳体内的第二空间,使得中心轴穿过第二空间。 第一磁性结构被定向为使得其磁化方向平行于中心轴线。 第二磁性结构被定向为使得其磁化方向与第一磁性结构的磁化方向相反。
    • 10. 发明授权
    • Loudspeaker diaphragm
    • 扬声器隔膜
    • US06920957B2
    • 2005-07-26
    • US10600826
    • 2003-06-23
    • Sawako UsukiShuji Saiki
    • Sawako UsukiShuji Saiki
    • H04R7/12G10K13/00H04R7/02H04R7/14H04R9/06H04R11/02
    • H04R7/14H04R9/06
    • A loudspeaker diaphragm affixed with a coil includes an edge portion located outside of a portion affixed with the coil and a center portion located inside of the portion affixed with the coil. The center portion is provided thereon with ribs. With these ribs, the height of the center portion can be limited to the height of the ribs. Therefore, it is possible to save a space of a loudspeaker where the loudspeaker diaphragm is placed, thereby slimming down the loudspeaker. Furthermore, with these ribs, the rigidity of the center portion can be improved without using a conventional solution of forming, for example, a dome shape on the center portion.
    • 固定有线圈的扬声器隔膜包括位于固定有线圈的部分的外侧的边缘部分和位于固定有线圈的部分的内部的中心部分。 中心部分设置有肋。 利用这些肋,中心部分的高度可以限制在肋的高度上。 因此,可以节省放置扬声器的扬声器的空间,从而减小扬声器。 此外,利用这些肋,可以改善中心部分的刚性,而不需要使用在中心部分上形成例如圆顶形状的常规方法。