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    • 38. 发明申请
    • Dynamic exciter and loudspeaker using the same
    • 动态励磁机和扬声器使用相同
    • US20050276434A1
    • 2005-12-15
    • US11148646
    • 2005-06-09
    • Takashi KobayashiKazuhiro Kobayashi
    • Takashi KobayashiKazuhiro Kobayashi
    • H04R9/02H04R7/04H04R7/20H04R9/06H04R25/00
    • H04R9/06H04R2400/03
    • A dynamic exciter includes a frame, a magnetic circuit assembly, which includes a permanent magnet and a yoke and through which a magnetic circuit generated by the permanent magnet extends, and an electromagnetic coil positioned across a magnetic gap formed in the magnetic circuit assembly. A first suspension member supportingly connects the magnetic circuit assembly to the frame member. A second suspension member supportingly connects the electromagnetic coil to the frame member. The frame is adapted to be attached to a diaphragm of a loudspeaker. The exciter has two mechanical resonance systems through which vibrations are transmitted to the frame: one being formed by the magnetic circuit assembly and the first suspension member and the other being formed by the electromagnetic coil and the second suspension member.
    • 动态励磁机包括框架,磁路组件,其包括永磁体和磁轭,永久磁铁产生的磁路通过该磁体延伸,以及位于形成在磁路组件中的磁隙之间的电磁线圈。 第一悬挂构件将磁路组件支撑地连接到框架构件。 第二悬挂构件将电磁线圈支撑地连接到框架构件。 框架适于附接到扬声器的隔膜。 励磁机具有两个机械共振系统,通过该机械共振系统将振动传递到框架:一个由磁路组件和第一悬挂构件形成,另一个由电磁线圈和第二悬架构件形成。