发明名称 |
Tone generator for use with hearing aids |
摘要 |
A programmable tone generator provides a signal that can be used by a hearing aid wearer to set the gain of the hearing aid such that the hearing threshold is at a prescribed corrected level.
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申请公布号 |
US5266919(A) |
申请公布日期 |
1993.11.30 |
申请号 |
US19910678044 |
申请日期 |
1991.04.01 |
申请人 |
COOK, PERRY R.;BOYD, LEO |
发明人 |
COOK, PERRY R.;BOYD, LEO |
分类号 |
G08B3/10;H04R25/00;(IPC1-7):G08B3/00 |
主分类号 |
G08B3/10 |
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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