公开(公告)号：US5309808A

公开(公告)日：1994-05-10

申请号：US89180

申请日：1993-07-12

申请人： James K. Tarrant

发明人： James K. Tarrant

IPC分类号： G10D9/06

CPC分类号： G10D9/06

摘要： Disclosed is an acoustic practice mute for brass musical wind instruments having a bell end which is of simple construction, light weight, acoustically transmits muted or dampened sound to the ears of the player without any electrical or membrane amplification, in which the sound transmitted is not distorted or changed from a natural sound, in which the volume of sound to the player's ears can be regulated, and which can be used by the player as a normal mute.

摘要翻译： 公开了一种具有钟形结构的黄铜乐器的声学实践静音，其具有简单的结构，重量轻，将声音传播到播放器的耳朵的声音，而没有任何电或膜放大，其中传输的声音不是 自然声音变形或变化，其中可以调节玩家耳朵的声音音量，并且玩家可以将其作为正常静音使用。