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    Magnetic circuit
    2.
    发明授权
    Magnetic circuit 有权
    磁路

    公开(公告)号：US08355524B2

    公开(公告)日：2013-01-15

    申请号：US12801491

    申请日：2010-06-11

    申请人： Shigeo Saitou ,  Mitsutoshi Tanaka ,  Kouji Mitake

    发明人： Shigeo Saitou ,  Mitsutoshi Tanaka ,  Kouji Mitake

    IPC分类号： H04R1/02 ,  H04R9/06 ,  H04R11/02

    CPC分类号： H04R9/025 ,  H01F7/0289 ,  H01F7/066 ,  H01F41/0253 ,  H02K15/03 ,  H02K41/0356 ,  H04R31/006 ,  H04R2209/024 ,  Y10T29/49002 ,  Y10T29/49009 ,  Y10T29/4908

    摘要： A magnetic circuit includes a cylindrical yoke member having an inner circumferential surface and a collar formed at one end thereof and turned back substantially at right angles, and a plurality of permanent magnet segments of a partially circular arc in cross section. Each of the permanent magnets has an outer surface attracted magnetically to the inner circumferential surface of the cylindrical yoke member, and one end face attracted magnetically to the collar of the cylindrical yoke member. The magnetic circuit is applied to an actuator or a speaker.

    摘要翻译： 磁路包括：圆柱形轭构件，其具有内圆周表面和在其一端处形成并且基本上成直角地折回的凸缘;以及多个部分圆弧的永磁体段。 每个永磁体具有被磁性地吸引到圆柱形轭构件的内圆周表面的外表面，并且一个端面被磁力吸引到圆柱形轭构件的轴环上。 磁路被施加到致动器或扬声器。

    Magnetic circuit
    3.
    发明申请
    Magnetic circuit 有权
    磁路

    公开(公告)号：US20100254565A1

    公开(公告)日：2010-10-07

    申请号：US12801491

    申请日：2010-06-11

    申请人： Shigeo Saitou ,  Mitsutoshi Tanaka ,  Kouji Mitake

    发明人： Shigeo Saitou ,  Mitsutoshi Tanaka ,  Kouji Mitake

    IPC分类号： H04R9/06 ,  H01F7/02 ,  H02K41/035

    CPC分类号： H04R9/025 ,  H01F7/0289 ,  H01F7/066 ,  H01F41/0253 ,  H02K15/03 ,  H02K41/0356 ,  H04R31/006 ,  H04R2209/024 ,  Y10T29/49002 ,  Y10T29/49009 ,  Y10T29/4908

    摘要： A magnetic circuit includes a cylindrical yoke member having an inner circumferential surface and a collar formed at one end thereof and turned back substantially at right angles, and a plurality of permanent magnet segments of a partially circular arc in cross section. Each of the permanent magnets has an outer surface attracted magnetically to the inner circumferential surface of the cylindrical yoke member, and one end face attracted magnetically to the collar of the cylindrical yoke member. The magnetic circuit is applied to an actuator or a speaker.

    摘要翻译： 磁路包括：圆柱形轭构件，其具有内圆周表面和在其一端处形成并且基本上成直角地折回的凸缘;以及多个部分圆弧的永磁体段。 每个永磁体具有被磁性地吸引到圆柱形轭构件的内圆周表面的外表面，并且一个端面被磁力吸引到圆柱形轭构件的轴环上。 磁路被施加到致动器或扬声器。

    Magnetic circuit and method and apparatus for the manufacture thereof
    4.
    发明申请
    Magnetic circuit and method and apparatus for the manufacture thereof 有权
    磁路及其制造方法和装置

    公开(公告)号：US20080061635A1

    公开(公告)日：2008-03-13

    申请号：US11519010

    申请日：2006-09-12

    申请人： Shigeo Saitou ,  Mitsutoshi Tanaka ,  Kouji Mitake

    发明人： Shigeo Saitou ,  Mitsutoshi Tanaka ,  Kouji Mitake

    IPC分类号： H02K41/00 ,  H04R17/00 ,  H04R11/02

    CPC分类号： H04R9/025 ,  H01F7/0289 ,  H01F7/066 ,  H01F41/0253 ,  H02K15/03 ,  H02K41/0356 ,  H04R31/006 ,  H04R2209/024 ,  Y10T29/49002 ,  Y10T29/49009 ,  Y10T29/4908

    摘要： A magnetic circuit includes a cylindrical yoke member having an inner circumferential surface and a collar formed at one end thereof and turned back substantially at right angles, and a plurality of permanent magnet segments of a partially circular arc in cross section having respective outer surfaces attracted magnetically to the inner circumferential surface of the cylindrical yoke member and respective one end faces attracted magnetically to the collar of the cylindrical yoke member. The magnetic circuit is manufactured by a method including the steps of magnetically attracting the permanent magnet segments to an outer peripheral surface of a center rod, causing the magnet segments in a magnetically attracted state to face the yoke member, using a nonmagnetic supporter to regulate the magnet segments in position, extracting the center rod from the magnet segments in a position-regulated state, and magnetically attracting and fixing the magnet segments to the yoke member. The magnetic circuit is applied to an actuator or a speaker.

    摘要翻译： 一个磁路包括一个圆柱形磁轭件，它具有一个内圆周表面和一个在其一端形成并且基本成直角地折回的轴环，并且多个具有相应外表面的部分圆弧的永久磁铁段磁吸引 到圆柱形轭构件的内圆周表面，并且相应的一个端面被磁力吸引到圆柱形轭构件的轴环上。 磁路是通过以下方法制造的，该方法包括以下步骤：将永久磁铁片磁吸引到中心棒的外周面，使得磁性吸引状态的磁体片面对轭部件，使用非磁性支撑体来调节 磁体段处于位置，在位置调节状态下从磁体段提取中心杆，并将磁体磁体吸引并固定到磁轭构件。 磁路被施加到致动器或扬声器。