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    • 2. 发明申请
    • SPEAKER DEVICE
    • 扬声器设备
    • US20130051605A1
    • 2013-02-28
    • US13568755
    • 2012-08-07
    • Takahisa TagamiEmiko IkedaKeisuke Nakashita
    • Takahisa TagamiEmiko IkedaKeisuke Nakashita
    • H04R1/00
    • H04R15/00H04R1/06H04R9/027
    • A speaker includes a ring-shaped magnet, a yoke having a center pole portion inserted in the center of the magnet, and a ring-shaped plate and arranged on the outer circumferential surface of the center pole portion of the yoke and attached to the magnet. The speaker includes a cylindrically-shaped coil bobbin that is movable in the axial direction of the center pole portion and partially fitted on the center pole portion of the yoke. The speaker includes a voice coil wrapped around the outer circumferential surface of the coil bobbin, part of the voice coil being arranged in a magnetic gap, which is filled with a magnetic fluid, formed between the plate and the center pole portion of the yoke. The speaker includes a diaphragm having its inner circumferential portion connected to the coil bobbin, and that is vibrated as the coil bobbin moves.
    • 扬声器包括环形磁体,具有插入在磁体中心的中心极部分的磁轭和环形板,并且配置在磁轭的中心极部分的外圆周表面上,并安装在磁体上 。 扬声器包括可在中心极部的轴向移动并且部分地配合在轭的中心极部上的圆柱状的线圈架。 扬声器包括缠绕在线圈架的外周面的音圈,音圈的一部分配置在形成在磁轭与磁轭的中心极部之间的磁性流体的磁隙中。 扬声器包括其内圆周部分连接到线圈架上并且随着线圈架移动而振动的隔膜。
    • 6. 发明授权
    • Speaker and speaker apparatus
    • 扬声器和扬声器设备
    • US06259800B1
    • 2001-07-10
    • US09262920
    • 1999-03-05
    • Takahisa Tagami
    • Takahisa Tagami
    • H04R2500
    • H04R9/06H04R7/127H04R9/025H04R9/04
    • A speaker and a speaker apparatus used for acoustic sound reproduction include a magnetic circuit unit having a center plate of a magnetic material and a set of magnets arranged on both sides of the center plate with magnetic poles of repulsive polarities facing each other, a voice coil in which a magnetic field that is formed by the magnetic circuit unit is interlinked with at least a portion of an alternating magnetic field produced, a vibrating plate connected to the voice coil, and a set of resilient supporting members arranged plane-symmetrically with respect to the outer peripheral surface of the vibrating plate for movably supporting the outer periphery of the vibrating plate. The vibrating plate is movably supported by a set of resilient supporting members arranged plane-symmetrically to suppress the rolling of the vibrating plate during vibrations to realize stable vibrations of the vibrating plate.
    • 用于声音再现的扬声器和扬声器装置包括具有磁性材料的中心板的磁路单元和布置在中心板的两侧的磁体组,其具有相斥极性的磁极,音圈 其中由所述磁路单元形成的磁场与所产生的交变磁场的至少一部分相互连接,连接到所述音圈的振动板,以及一组弹性支撑构件,其相对于 振动板的外周面用于可动地支撑振动板的外周。 振动板由一组平面对称地布置的弹性支撑构件可移动地支撑,以在振动期间抑制振动板的滚动,以实现振动板的稳定振动。