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    • 19. 发明授权
    • Electrochemical reed filter
    • 电化学滤芯
    • US3974466A
    • 1976-08-10
    • US489102
    • 1974-07-17
    • Toshiharu Tanaka
    • Toshiharu Tanaka
    • H03H9/24G04C3/10G04C3/12H03H9/05H03H9/09H03H9/46H03H9/48H03H9/06H01L41/10H03H9/26
    • H03H9/48G04C3/107G04C3/12H03H9/46
    • An electromechanical reed filter has a pair of reed elements secured at one end to each other and supported on a base member. A electromechanical transducer is cemented to the side surface of each of the reed elements intermediate of the opposite ends of the reed. The reed filter is housed in a protective casing and is provided with a shock-absorbing member in the vicinity of the free ends of the reed elements. When an abnormal shock is applied to the filter the reed elements are caused to bend transversely and would strike the inner walls of the casing with the shock-absorbing member being interposed therebetween. The impact energy is effectively absorbed so that the cemented portion of the transducer is protected from deformation or cracks. The shock-absorbing member may be applied to the free ends of the reed elements so that spurious vibrations at frequencies higher than the fundamental frequency can be suppressed.
    • 机电式簧片过滤器具有一对簧片元件,一对固定在一起并支撑在基座上。 机电换能器胶合到筘的相对端的中间的每个簧片元件的侧表面。 簧片过滤器容纳在保护壳体中,并且在簧片元件的自由端附近设置有减震构件。 当对过滤器施加异常的冲击时,使得簧片元件横向弯曲,并且将冲击吸收构件插入其间,撞击壳体的内壁。 冲击能被有效地吸收,从而保护换能器的胶结部分免受变形或裂纹的影响。 减震构件可以施加到簧片元件的自由端,使得可以抑制高于基频的频率处的寄生振动。