公开(公告)号：US07889477B2

公开(公告)日：2011-02-15

申请号：US11767295

申请日：2007-06-22

申请人： Stuart Neubarth ,  Michael A. Lehr ,  Scott Gehlke ,  Peter Gefter

发明人： Stuart Neubarth ,  Michael A. Lehr ,  Scott Gehlke ,  Peter Gefter

IPC分类号： H01T23/00

CPC分类号： H02M3/3384 ,  Y02B70/1433

摘要： A high voltage power supply for a static neutralizer is disclosed. The high voltage power supply includes a resonant converter and a load with an emitter module having an emitter, reference electrode, and a capacitance value. The resonant converter is disposed to have a resonant frequency and an output coupled to the load. The resonant converter generates an output waveform with an amplitude sufficient for generating to ions by corona discharge when the load receives the output waveform. The load is predominantly capacitive when the resonant converter is operating at the resonant frequency.

摘要翻译： 公开了一种用于静电中和器的高压电源。 高压电源包括谐振转换器和具有发射极模块的负载，发射极模块具有发射极，参考电极和电容值。 谐振转换器被设置为具有耦合到负载的谐振频率和输出。 谐振转换器产生具有足够的幅度的输出波形，用于当负载接收输出波形时通过电晕放电产生离子。 当谐振转换器工作在谐振频率时，负载主要是电容性的。

公开(公告)号：US20080316773A1

公开(公告)日：2008-12-25

申请号：US11767295

申请日：2007-06-22

申请人： Stuart Neubarth ,  Michael A. Lehr ,  Scott Gehlke ,  Peter Gefter

发明人： Stuart Neubarth ,  Michael A. Lehr ,  Scott Gehlke ,  Peter Gefter

IPC分类号： H02M3/335 ,  H01T23/00

CPC分类号： H02M3/3384 ,  Y02B70/1433

摘要： A high voltage power supply for a static neutralizer is disclosed. The high voltage power supply includes a resonant converter and a load with an emitter module having an emitter, reference electrode, and a capacitance value. The resonant converter is disposed to have a resonant frequency and an output coupled to the load. The resonant converter generates an output waveform with an amplitude sufficient for generating to ions by corona discharge when the load receives the output waveform. The load is predominantly capacitive when the resonant converter is operating at the resonant frequency.

摘要翻译： 公开了一种用于静电中和器的高压电源。 高压电源包括谐振转换器和负载，发射器模块具有发射极，参考电极和电容值。 谐振转换器被设置为具有耦合到负载的谐振频率和输出。 谐振转换器产生具有足够的幅度的输出波形，用于当负载接收输出波形时通过电晕放电产生离子。 当谐振转换器工作在谐振频率时，负载主要是电容性的。

公开(公告)号：US5793875A

公开(公告)日：1998-08-11

申请号：US635550

申请日：1996-04-22

申请人： Michael A. Lehr ,  Bernard Widrow

发明人： Michael A. Lehr ,  Bernard Widrow

IPC分类号： H04R25/00

CPC分类号： H04R25/554 ,  H04R25/407 ,  H04R2410/07 ,  H04R25/405

摘要： A directional acoustic receiving system is constructed in the form of a necklace including an array of two or more microphones mounted on a housing supported on the chest of a user by a conducting loop encircling the user's neck. Signal processing electronics contained in the same housing receives and combines the microphone signals in such a manner as to provide an amplified output signal which emphasizes sounds of interest arriving in a direction forward of the user. The amplified output signal drives the supporting conducting loop to produce a representative magnetic field. An electroacoustic transducer including a magnetic field pickup coil for receiving the magnetic field is mounted in or on the user's ear and generates an acoustic signal representative of the sounds of interest.The microphone output signals are weighted (scaled) and combined to achieve desired spatial directivity responses. The weighting coefficients are determined by an optimization process. By bandpass filtering the weighted microphone signals with a set of filters covering the audio frequency range and summing the filtered signals, a receiving microphone array with a small aperture size is caused to have a directivity pattern that is essentially uniform over frequency in two or three dimensions. This method enables the design of highly-directive hearing instruments which are comfortable, inconspicuous, and convenient to use. The invention provides the user with a dramatic improvement in speech perception over existing hearing aid designs, particularly in the presence of background noise and reverberation.

摘要翻译： 定向声音接收系统构造为项链形式，其包括通过环绕使用者的颈部的导电回路安装在支撑在使用者的胸部上的壳体上的两个或更多个麦克风的阵列。 包含在同一外壳中的信号处理电子装置以这样的方式接收和组合麦克风信号，以便提供一种放大的输出信号，其强调在用户的向前方向到达的感兴趣的声音。 放大的输出信号驱动支持导电环以产生代表性的磁场。 包括用于接收磁场的磁场拾取线圈的电声换​​能器安装在用户的耳朵中或用户的耳朵上，并产生表示感兴趣的声音的声信号。 麦克风输出信号被加权（缩放）并组合以实现期望的空间方向性响应。 加权系数由优化过程确定。 通过对覆盖音频频率范围的一组滤波器对加权的麦克风信号进行带通滤波，并对经滤波的信号求和，导致具有小孔径尺寸的接收麦克风阵列具有在两维或三维中频率基本均匀的方向性图案 。 这种方法使得设计舒适，不显眼和方便使用的高指示性听力仪器。 本发明为用户提供了在现有助听器设计上的语音感知的显着改进，特别是在背景噪声和混响的存在下。