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    • 2. 发明申请
    • HEARING AID WITH ENHANCED VENT
    • 听力助力与增强的通风
    • WO2009116979A1
    • 2009-09-24
    • PCT/US2008/013703
    • 2008-12-15
    • SIEMENS HEARING INSTRUMENTS, INC.SALTYKOV, OlegMCBAGONLURI, Fred
    • SALTYKOV, OlegMCBAGONLURI, Fred
    • H04R25/00
    • H04R25/654H04R25/456
    • A hearing aid with a microphone for receiving acoustic signals and converting them to electrical signals, electronic circuitry for processing the electrical signals, and a speaker for converting the processed electrical signals into acoustic signals, has a shell that encases at least portions of the microphone, the electronic circuitry, and the speaker, the shell further encasing an inside volume. The hearing aid further has a vent that provides an opening between the inside volume and a region external to the hearing aid. A flexible membrane is provided that covers an opening of the vent and an acoustic resistor that contacts the flexible membrane. The membrane helps prevent wax fumes from entering the inside volume, and the acoustic resistor helps to reduce distortion in the frequency response of the hearing aid.
    • 具有用于接收声信号并将其转换为电信号的麦克风的助听器,用于处理电信号的电子电路以及用于将经处理的电信号转换为声信号的扬声器具有壳体,其至少包围麦克风的一部分, 电子电路和扬声器,壳体还包围内部体积。 助听器还具有排气口,其在内部容积和助听器外部的区域之间提供开口。 提供了一种柔性膜,其覆盖通气孔的开口和与柔性膜接触的声电阻器。 该膜有助于防止蜡烟进入内部体积,并且声学电阻有助于减少助听器的频率响应的失真。