发明名称 Mask communication system
摘要 A communication system for a mask including an externally mounted microphone and ear speaker assembly is provided. The microphone and ear speaker assembly are adapted for electrical interconnection with a radio. A lapel microphone assembly optionally including a transmission activation device, a microphone, a speaker and an amplifier may be included. An interconnection cable connecting the microphone and ear speaker assembly to a lapel microphone assembly facilitates connection and disconnection between the assemblies.
申请公布号 US2003224838(A1) 申请公布日期 2003.12.04
申请号 US20020198633 申请日期 2002.07.18
申请人 SKILLICORN GREG;BIRLI JOSEPH;POTTS DAVID;ADAMS JONATHAN D. 发明人 SKILLICORN GREG;BIRLI JOSEPH;POTTS DAVID;ADAMS JONATHAN D.
分类号 H04R1/08;(IPC1-7):H04Q7/20 主分类号 H04R1/08
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