发明名称 IN-THE-EAR HEARING AID WITH DIRECTIONAL MICROPHONE SYSTEM
摘要 Apparatus for use as an in-the-ear hearing aid. The apparatus includes a housing having a shell and a face plate, wherein the shell is molded to custom fit a hearing aid user's ear. A first non-directional microphone system is included having a first output signal representative of the sound received. A second non-directional microphone system is included having a second output signal representative of the sound received. A switch mechanism is included having an operator extending through the housing for switching the in-the-ear hearing aid between a non-directional mode and a directional mode. In the directional mode, the microphone system is adjustable between a cardioid and super cardioid polar output pattern.
申请公布号 CA2223676(A1) 申请公布日期 1998.06.11
申请号 CA19972223676 申请日期 1997.12.04
申请人 MICRO EAR TECHNOLOGY, INC. D/B/A MICRO-TECH 发明人 PREVES, DAVID A.;BREN, MARK A.;PETERSON, TIMOTHY S.
分类号 H04R25/00;H04R29/00;(IPC1-7):H04R25/02 主分类号 H04R25/00
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