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    • 2. 发明授权
    • Drumhead tone control device
    • 鼓鼓音调控制装置
    • US07214867B1
    • 2007-05-08
    • US10779342
    • 2004-02-13
    • Robert A. GatzenDonald Dressler
    • Robert A. GatzenDonald Dressler
    • G10D13/08
    • G10D13/027G10D13/021
    • A drumhead tone control device employs an annular configuration of polyester film tightly adhered to the periphery of a drumhead membrane. The annular configuration of the tone control device includes radial and/or circumferential relief. The relieved tone control device disrupts transmission of vibrations reflected from the drumhead membrane/drum shell interface. Disruption of reflected vibrations improves the overall tonal quality of the drumhead while use of a tightly adhered polyester sheet close to the periphery of the drumhead playing surface minimizes undesirable alteration of the attack characteristics and fundamental tone of the drumhead.
    • 鼓鼓音调控制装置采用紧密附着在鼓头膜周边的聚酯薄膜的环形构造。 音调控制装置的环形结构包括径向和/或周向浮雕。 释放的音调控制装置破坏从鼓头膜/鼓壳接口反射的振动的传输。 反射振动的破坏提高了鼓头的总体色调质量,同时使用靠近鼓表演表面的周边的紧密粘合的聚酯薄片使得不利地改变了鼓头的攻击特性和基音。