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    • 4. 发明授权
    • Pressure wave transducing
    • 压力波转换
    • US5740259A
    • 1998-04-14
    • US430247
    • 1995-04-28
    • Charles Dunn
    • Charles Dunn
    • H04R1/00H04R1/02
    • H04R1/2842
    • An electroacoustical transducing system for exchanging pressure wave energy with a medium that propagates pressure waves includes an electroacoustical transducer having a vibratile surface. At least one low-loss pressure waveguide has one end adjacent to the vibratile surface and the other end adjacent to the medium. At least one acoustic immittance element is imposed in the length of the waveguide dimensioned and positioned to alter the transfer characteristic of the waveguide between the vibratile surface and the medium at the other end.
    • 用于传播压力波的介质交换压力波能的电声转换系统包括具有振动表面的电声换能器。 至少一个低损耗压力波导具有与振动表面相邻的一端,而与介质相邻的另一端。 在波导的长度上施加至少一个声导纳元件,该波导的尺寸和位置被改变以在另一端改变振动表面和介质之间的波导的传输特性。