发明名称 Pipe microphone device
摘要 In the pipe microphone device having such a construction, the pipe is made of an elastic material, and a flexible core member (wire) having a shape retaining property is passed in the inside.
申请公布号 US2002044670(A1) 申请公布日期 2002.04.18
申请号 US20010943020 申请日期 2001.08.30
申请人 OHTA TAKASHI;MUROZAKI KATSUNORI;NAGENO KOJI 发明人 OHTA TAKASHI;MUROZAKI KATSUNORI;NAGENO KOJI
分类号 H04R1/10;H04R1/08;(IPC1-7):H04R25/00 主分类号 H04R1/10
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