Sound attenuating system
    1.
    发明授权
    Sound attenuating system 失效
    声音衰减系统

    公开(公告)号:US5347585A

    公开(公告)日:1994-09-13

    申请号:US756233

    申请日:1991-09-10

    IPC分类号: G10K11/178 H04B15/00

    摘要: A sound attenuating system for attenuating sound from a sound source. The system comprises a main conduit through which the sound from the sound source propagates; a first device for defining in the conduit at least one passive acoustic reflecting surface; and a second device for defining in the conduit a plurality of active acoustic reflecting surfaces. The active acoustic reflecting surfaces are of a type which permits a partial permeation of sound therethrough.

    摘要翻译: 用于衰减来自声源的声音的声音衰减系统。 该系统包括主声道,声源的声音通过该主导管传播; 用于在导管中限定至少一个无源声反射表面的第一装置; 以及用于在导管中限定多个主动声反射表面的第二装置。 活性声反射表面是允许声音部分透过的类型。