发明名称 |
Cortical hearing aid - had harmonic generator connected between AF pre-amplifier and AF amplifier |
摘要 |
<p>"Hearing" without involving the ear is realized by electrical conduction of the sound-representing signals on a carrier optimally in the frequency range of 15-60 kHz, from an electrode held against a person's head to the auditory cortex and possibly to the auditory nerve. This is called a "cortical hearing aid". The ability of the person to recognize sounds with a cortical hearing aid is enhanced by introduction of significant distortion of the audio signals, especially low-order harmonics of the audio frequencies. The distortion acts as a substitute for distortion ordinarily occurring in the ear but disregarded in the hearing process.</p> |
申请公布号 |
FR2400886(A1) |
申请公布日期 |
1979.03.23 |
申请号 |
FR19770025901 |
申请日期 |
1977.08.25 |
申请人 |
ELECTRO PHYSICAL RESEARCH INC |
发明人 |
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分类号 |
A61F11/04;(IPC1-7):61F11/04 |
主分类号 |
A61F11/04 |
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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