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    • 3. 发明授权
    • Damping apparatus for damping the resonance of disc record tone arms
    • 用于阻尼盘记录音臂谐振的阻尼装置
    • US4211422A
    • 1980-07-08
    • US906865
    • 1978-05-17
    • Alexander R. Rangabe
    • Alexander R. Rangabe
    • G11B3/12G11B3/10
    • G11B3/124
    • A damping apparatus for damping the resonance of a disc record tone arm, comprises first and second relatively movable members in engagement with energy absorbing material therebetween. One of these elements has mounted thereon a skid assembly in which a cantilever arm is anchored to the element. The cantilever arm has substantial stiffness both longitudinally and in the plane normal to the record surface and also has substantial compliance transversely to its longitudinal dimension and torsional compliance. A skid pad is mounted at the free end of the cantilever arm, which skid pad has substantial stiffness in the direction tangential to the record trace.
    • 用于阻尼盘记录音臂的共振的阻尼装置包括与它们之间的能量吸收材料接合的第一和第二可相对移动的构件。 这些元件中的一个已经在其上安装有滑块组件,其中悬臂被锚定到元件上。 悬臂在纵向和垂直于记录表面的平面中具有相当大的刚度,并且横向于其纵向尺寸和扭转顺应性具有显着的顺应性。 在悬臂的自由端安装有滑动垫,该滑动垫在与记录迹线相切的方向上具有显着的刚度。