发明名称 Hearing instrument vent
摘要 A vent configuration for a hearing instrument comprises a vent tube having a length and a vent opening, and at least one cell positioned around the periphery of the vent tube. The at least one cell is closed at a first inner end and open at an outer end, which is adjacent the vent opening. The cell is a tube that extends around the periphery of the vent tube along a portion of the length of the vent tube. A hearing instrument incorporating the vent configuration is also included.
申请公布号 US2004218772(A1) 申请公布日期 2004.11.04
申请号 US20040818258 申请日期 2004.04.05
申请人 RYAN JAMES G. 发明人 RYAN JAMES G.
分类号 H04R25/00;H04R25/02;(IPC1-7):H04R25/00 主分类号 H04R25/00
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