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    • 54. 发明申请
    • Phase based feedback oscillation prevention in hearing aids
    • 助听器相位反馈振荡预防
    • US20050226447A1
    • 2005-10-13
    • US10821446
    • 2004-04-09
    • Scott Miller
    • Scott Miller
    • H04R25/00
    • H04R25/606H04R25/453H04R2420/07
    • A method for reducing oscillation of a feedback signal in a hearing aid and hearing aid configured according to the present method is provided. The method includes the steps of determining the phase of the feedback signal over a feedback path of the hearing aid and shifting only the phase of the feedback signal a predetermined amount, without modification of other signal characteristics, to achieve a non-zero net phase of the feedback signal over the feedback path such that oscillation of the signal is prevented. In one embodiment of the present method, the step of determining the phase may be performed at the time of fitting of the hearing aid to a patient. In another embodiment of the present method, the method includes the step of periodically determining the phase of the feedback signal over the feedback path such that the phase shifting may be performed based on the periodically determined phase.
    • 提供一种减少根据本方法配置的助听器和助听器中的反馈信号的振荡的方法。 该方法包括以下步骤:通过助听器的反馈路径确定反馈信号的相位,并仅将反馈信号的相位仅移动预定量,而不改变其它信号特性,以实现非零净相位 在反馈路径上的反馈信号,使得信号的振荡被阻止。 在本方法的一个实施例中,确定相位的步骤可以在将助听器拟合到患者时进行。 在本方法的另一实施例中,该方法包括在反馈路径上周期性地确定反馈信号的相位的步骤,使得可以基于周期性确定的相位执行相移。
    • 55. 发明申请
    • Low acceleration sensitivity microphone
    • 低加速度灵敏度麦克风
    • US20050222487A1
    • 2005-10-06
    • US11097113
    • 2005-04-01
    • Scott MillerRobert SchneiderDavid BasingerTravis AndrewsBernd Waldmann
    • Scott MillerRobert SchneiderDavid BasingerTravis AndrewsBernd Waldmann
    • H04R1/08H04R25/00
    • H04R25/604H04R19/016H04R25/606H04R2225/67
    • An implanted microphone is provided that has reduced sensitivity to vibration and attendant acceleration forces. In this regard, the microphone differentiates between the desirable and undesirable components of a transcutaneously received signal. More specifically, the present invention utilizes an output that is indicative of acceleration forces acting on the implanted microphone (e.g., an acceleration signal) to counteract and/or cancel the effects of acceleration induced pressures in an output signal of a microphone diaphragm. This may be done in a variety of ways, including but not limited to, pneumatically, mechanically, electrical analog, or digitally, or combinations thereof. In one arrangement, the generated output may be filtered to match the an acceleration response of the output signal of the microphone diaphragm such that upon removal of the motion signal from the microphone output, the remaining signal is an acoustic signal.
    • 提供植入式麦克风,其具有降低的对振动和伴随的加速力的敏感性。 在这方面,麦克风区分经皮接收信号的期望和不期望的分量。 更具体地,本发明利用表示作用在植入麦克风上的加速力(例如,加速度信号)的输出来抵消和/或消除麦克风隔膜的输出信号中的加速度感应压力的影响。 这可以以各种方式进行,包括但不限于气动的,机械的,电的类似的,或数字的,或它们的组合。 在一种布置中,可以对所产生的输出进行滤波以匹配麦克风隔膜的输出信号的加速度响应,使得在从麦克风输出移除运动信号时,剩余信号是声信号。
    • 56. 发明申请
    • Passive vibration isolation of implanted microphone
    • 植入麦克风被动隔离
    • US20050197524A1
    • 2005-09-08
    • US10983102
    • 2004-11-05
    • Scott MillerBernd WaldmannTravis AndrewsDavid BasingerJose' BedoyaJames EasterJames KasicDouglas Miller
    • Scott MillerBernd WaldmannTravis AndrewsDavid BasingerJose' BedoyaJames EasterJames KasicDouglas Miller
    • H04R20060101H04R25/00
    • H04R25/604H04R19/016H04R25/606H04R2225/67
    • A system for reducing the vibration sensitivity of an implantable microphone without an equal or greater reduction in sound sensitivity. The system reduces non-ambient vibrations by placing at least one compliant member into the path of transmission for tissue-borne vibration, but not into the path for ambient sound-induced vibration. More particularly, a compliant member is interposed along the path between a source of non-ambient vibration and an implanted microphone. In one aspect, a compliant base member is disposed between an implanted microphone and an implant wearer's skull. In another aspect, a microphone is compliantly suspended relative to an implant housing using a support membrane. In either aspect, the compliant member (i.e., base member and/or membrane) and the supported member (i.e., housing and/or microphone) define a supported system having a natural or resonant frequency. This natural frequency may be set to a value to advantageously isolate the microphone against transmitted vibration.
    • 一种用于降低可植入麦克风的振动灵敏度的系统,而声音灵敏度降低不大。 该系统通过将至少一个柔顺构件放置在用于组织传播的振动的传播路径中而不是进入环境声音引起的振动的路径中来减少非环境振动。 更具体地,柔性构件沿着非环境振动源和植入的麦克风之间的路径插入。 在一个方面,柔性基底构件设置在植入式麦克风和植入物佩戴者的头骨之间。 在另一方面,使用支撑膜,麦克风相对于植入物外壳顺应地悬挂。 在任一方面,柔顺构件(即,基底构件和/或膜)和被支撑构件(即壳体和/或麦克风)限定具有自然或共振频率的支撑系统。 这个固有频率可以被设置为一个值,以有利地将麦克风隔离成传播的振动。