发明授权
US06766032B1 Voice tube assembly 失效
声管组件

Voice tube assembly
摘要:
An improved boom adapted for use in or with a headset is disclosed. The boom generally comprises a voice tube having a first entry aperture, a light tube, and a noise reducer. The noise reducer is composed at least partially of a porous plastic material and partially or fully covers the voice tube, the noise canceling tube, and/or the light tube.
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