发明名称 MASK WITH A BUILT-IN MICROPHONE
摘要 <p>The present invention includes a face mask (10) having a built-in microphone (14). The mask is for placement over the face of a user (12) who is to give verbal instructions to control operations of an equipment. The mask is equipped with a microphone embedded therein. The microphone is preferably located in the center of the mask, aligned with the front of the mouth of the speaker. The microphone routes communications through a cable(16). The microphone is connected to a transmitter (18) via the cable. The mask may be removed and disposed of following its use.</p>
申请公布号 WO2002091792(A2) 申请公布日期 2002.11.14
申请号 US2002015009 申请日期 2002.05.09
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