发明名称 EXPANDABLE EARPIECE SEALING DEVICES AND METHODS
摘要 At least one exemplary embodiment is directed toward an earpiece with a sealing section for acoustically sealing the meatus of a human ear, which includes an inner ear canal speaker; an inner ear canal microphone; connected to a logic circuit which can include a digital signal processor (DSP), where the sealing section touches a portion of the ear canal to substantially acoustically seal the meatus of a human ear canal.
申请公布号 US2009022353(A1) 申请公布日期 2009.01.22
申请号 US20080172834 申请日期 2008.07.14
申请人 PERSONICS HOLDINGS INC. 发明人 GOLDSTEIN STEVEN WAYNE;KEADY JOHN PATRICK
分类号 H04R25/00 主分类号 H04R25/00
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