发明名称 Hearing aid apparatus and method
摘要 An improved hearing aid and method that employs a combination microphone/speaker, sized to be inserted within which the opening of the ear canal such that it does not obstruct the same for more natural hearing.
申请公布号 US2007076913(A1) 申请公布日期 2007.04.05
申请号 US20060520990 申请日期 2006.09.14
申请人 SHANZ II, LLC 发明人 SCHANZ RICHARD W.
分类号 H04R25/00 主分类号 H04R25/00
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