Invention Grant
US09386368B2 Remote speaker microphone 有权
遥控扬声器麦克风

Remote speaker microphone
Abstract:
A remote speaker microphone having a directional microphone, a speaker, and a housing. The housing has a first portion sized to contain the speaker and a second portion sized to contain the directional microphone. The second portion defines a front port positioned adjacent the front surface of the directional microphone and a rear port positioned adjacent the rear surface of the directional microphone. The housing is configured to minimize the distance that sound waves travel within the housing before impacting on the sound receiving surfaces of the microphone.
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