发明名称 Earphone transfer coupling apparatus
摘要 An improved earphone transfer coupling apparatus includes a transfer element and a clip element. After the transfer element is fastened to the clip element, the transfer element may be coupled with an earphone to allow the transfer coupling apparatus inserted in user's ear or clipped on user's ear auricle.
申请公布号 US2003048916(A1) 申请公布日期 2003.03.13
申请号 US20010950678 申请日期 2001.09.13
申请人 CHEN CHIN DING 发明人 CHEN CHIN DING
分类号 H04R1/10;(IPC1-7):H04R25/00 主分类号 H04R1/10
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