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.
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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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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