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    • 2. 发明公开
    • 정전식 변환기 스피커
    • 静电传感器扬声器
    • KR1020110055330A
    • 2011-05-25
    • KR1020090125012
    • 2009-12-15
    • 리치테크 테크놀로지 코포레이션
    • 후앙,페이-쳉구오,즈윈-웬
    • H04R19/02H04R3/00H03F3/217
    • H04R3/00H04R19/005H04R19/02H03F3/217H04R3/002
    • PURPOSE: An electrostatic transducer loudspeaker is provided to demodulate the modulated signal by removing a pulse width demodulating currier switching element. CONSTITUTION: A DC-free bias electrostatic converter(12) directly accepts the AC signal without the supply of the DC biasing. A no filter D class amplifier(14) of a driving circuit generates demodulation signal including a pulse width demodulating currier switching element by demodulating the audio input. A first side coil of a transformer(16) is directly connected to output terminals(18,20) of no filter D class amplifier. A second side coil is directly connected to the input terminal of an electric DC free bias electrostatic converter.
    • 目的:提供静电传感器扬声器,通过去除脉宽解调currier开关元件来解调调制信号。 构成:直流偏置静电转换器(12)直接接受交流信号,而不会提供直流偏置。 驱动电路的无滤波器D类放大器(14)通过解调音频输入来产生包括脉宽解调currier切换元件的解调信号。 变压器(16)的第一侧线圈直接连接到没有滤波器D类放大器的输出端子(18,20)。 第二侧线圈直接连接到电气直流自由偏置静电转换器的输入端。