发明名称 Two-way audio communication device and method of manufacturing
摘要 A two-way audio communication device includes a housing ( 190 ) with passageways ( 491, 492 ). Electronics ( 310 ) are located in the housing. The device has a retractable speaker or earpiece ( 220 ) and a retractable microphone ( 410 ). A spool ( 340 ) is adjacent to the housing. Electrical wires ( 420 ) electrically couple the retractable microphone to the electronics, and the electrical wires are retractable through the passageways and onto the spool.
申请公布号 US2006035684(A1) 申请公布日期 2006.02.16
申请号 US20040918034 申请日期 2004.08.12
申请人 GUO CHANG H 发明人 GUO CHANG H.
分类号 B65H16/02 主分类号 B65H16/02
代理机构 代理人
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