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1. 发明申请

US20110019843A1 High Efficiency Audio Amplifier and Method thereof 有权
标题翻译：高效率音频放大器及其方法
公开(公告)号：US20110019843A1
公开(公告)日：2011-01-27
申请号：US12792717
申请日：2010-06-02
申请人： Yi-Shang Chen , Chun-Hao Hsu
发明人： Yi-Shang Chen , Chun-Hao Hsu
IPC分类号： H03F99/00
CPC分类号： H03F3/2173 , H03F1/0205
摘要： A high efficiency audio amplifier is disclosed. The high efficiency audio amplifier includes an input end for receiving an input audio signal, an output end for outputting an output audio signal, a signal generator coupled to the input end for determining a frequency of an oscillating signal according to the distribution of the input audio signal and a reference voltage, and generating the oscillating signal accordingly, a waveform transformer coupled to the input end and the signal generator for comparing the input audio signal with the oscillating signal to generate a pulse width modulation (PWM) signal, a pre-drive circuit for generating a pre-drive signal according to the PWM signal, an output stage coupled to the pre-drive circuit for generating an output signal, and a filter coupled to the output stage for filtering the output signal to generate the output audio signal to the output end.
摘要翻译：公开了一种高效率音频放大器。高效率音频放大器包括用于接收输入音频信号的输入端，用于输出输出音频信号的输出端，耦合到输入端的信号发生器，用于根据输入音频的分布确定振荡信号的频率信号和参考电压，并且相应地产生振荡信号，耦合到输入端的波形变换器和信号发生器，用于将输入音频信号与振荡信号进行比较以产生脉宽调制（PWM）信号，预驱动用于根据PWM信号产生预驱动信号的电路，耦合到预驱动电路以产生输出信号的输出级，以及耦合到输出级的滤波器，用于对输出信号进行滤波以产生输出音频信号输出端。

2. 发明授权

US08472644B2 High efficiency audio amplifier and method thereof 有权
标题翻译：高效率音频放大器及其方法
公开(公告)号：US08472644B2
公开(公告)日：2013-06-25
申请号：US12792717
申请日：2010-06-02
申请人： Yi-Shang Chen , Chun-Hao Hsu
发明人： Yi-Shang Chen , Chun-Hao Hsu
IPC分类号： H03F21/00
CPC分类号： H03F3/2173 , H03F1/0205
摘要： A high efficiency audio amplifier is disclosed. The high efficiency audio amplifier includes an input end for receiving an input audio signal, an output end for outputting an output audio signal, a signal generator coupled to the input end for determining a frequency of an oscillating signal according to the distribution of the input audio signal and a reference voltage, and generating the oscillating signal accordingly, a waveform transformer coupled to the input end and the signal generator for comparing the input audio signal with the oscillating signal to generate a pulse width modulation (PWM) signal, a pre-drive circuit for generating a pre-drive signal according to the PWM signal, an output stage coupled to the pre-drive circuit for generating an output signal, and a filter coupled to the output stage for filtering the output signal to generate the output audio signal to the output end.
摘要翻译：公开了一种高效率音频放大器。高效率音频放大器包括用于接收输入音频信号的输入端，用于输出输出音频信号的输出端，耦合到输入端的信号发生器，用于根据输入音频的分布确定振荡信号的频率信号和参考电压，并且相应地产生振荡信号，耦合到输入端的波形变换器和信号发生器，用于将输入音频信号与振荡信号进行比较以产生脉宽调制（PWM）信号，预驱动用于根据PWM信号产生预驱动信号的电路，耦合到预驱动电路以产生输出信号的输出级，以及耦合到输出级的滤波器，用于对输出信号进行滤波以产生输出音频信号输出端。

3. 发明申请

US20100289470A1 Power Supplying Method for LCD Display Device and Power Supply Device 审中-公开
标题翻译： LCD显示设备和电源设备的供电方法
公开(公告)号：US20100289470A1
公开(公告)日：2010-11-18
申请号：US12690939
申请日：2010-01-21
申请人： Yi-Shang Chen , Chun-Hao Hsu
发明人： Yi-Shang Chen , Chun-Hao Hsu
IPC分类号： G05F1/10 , G09G5/00
CPC分类号： G09G3/3406 , G09G2330/02 , G09G2330/024 , H02M3/33507
摘要： A power supply device of a LCD display device comprising an AC rectifier; a square wave generator; an AC voltage converting module, coupled to the square wave generator, for providing an AC voltage to a backlight module of the LCD display device; and a plurality of DC voltage converting modules, for providing a plurality of voltage sources to a plurality of load circuits of the LCD display device, each DC voltage converting module comprising a control circuit for masking off the first oscillating signal, to generate a second oscillating signal according to a feedback signal of a corresponding load circuit; a voltage converting unit, coupled to the control circuit and the load circuit, for transforming the second oscillating signal into a voltage source for the load circuit; and a feedback control unit, coupled to the control circuit and the load circuit, for generating the feedback signal.
摘要翻译：一种包括AC整流器的LCD显示装置的电源装置; 方波发生器; 耦合到所述方波发生器的AC电压转换模块，用于向所述LCD显示装置的背光模块提供AC电压; 以及多个DC电压转换模块，用于向LCD显示装置的多个负载电路提供多个电压源，每个DC电压转换模块包括用于屏蔽第一振荡信号的控制电路，以产生第二振荡信号根据相应的负载电路的反馈信号; 电压转换单元，耦合到所述控制电路和所述负载电路，用于将所述第二振荡信号转换成用于所述负载电路的电压源; 以及耦合到控制电路和负载电路的用于产生反馈信号的反馈控制单元。

4. 发明申请

US20100295698A1 Remote Control Setting Method and Device for Electronic Device and Remote Control System 审中-公开
标题翻译：电子设备遥控系统遥控设定方法及装置
公开(公告)号：US20100295698A1
公开(公告)日：2010-11-25
申请号：US12650570
申请日：2009-12-31
申请人： Yi-Shang Chen , Chun-Hao Hsu
发明人： Yi-Shang Chen , Chun-Hao Hsu
IPC分类号： G08B5/22 , G08C19/00
CPC分类号： G08C17/00 , G08C2201/20
摘要： A remote control setting method for an electronic device for setting a plurality of functions of the electronic device to be controlled by a plurality of keypads of a remote controller includes displaying an indication message according to a control signal, to indicate codes of a function of the plurality of functions and ask a user to press a keypad of the plurality of keypads, receiving a triggering signal generated by pressing the keypad, and storing codes including relation between the triggering signal and the function according to the control signal.
摘要翻译：一种用于设置要由遥控器的多个键盘控制的电子设备的多个功能的电子设备的遥控器设置方法，包括根据控制信号显示指示消息，以指示所述遥控器的功能的代码多个功能，并要求用户按下多个小键盘的小键盘，接收通过按压键盘产生的触发信号，并根据控制信号存储包括触发信号和功能之间的关系的代码。

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