发明名称 Hearing aid apparatus
摘要 An improved earring-style hearing aid that includes an ear mold that renders the majority of the ear canal unfilled, and that delivers to the eardrum amplified sound that is received through a breakaway connector from a hearing aid circuit that is attached to the ear lobe and that can be configured using one of many different covers to take the appearance of one of many different earrings.
申请公布号 US6493453(B1) 申请公布日期 2002.12.10
申请号 US19990258014 申请日期 1999.02.25
申请人 GLENDON DOUGLAS H. 发明人 GLENDON DOUGLAS H.
分类号 H04R25/00;(IPC1-7):H04R25/00 主分类号 H04R25/00
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