公开(公告)号：US20130003236A1

公开(公告)日：2013-01-03

申请号：US13212195

申请日：2011-08-18

申请人： XIAO-ZHAN PENG ,  XUE-BING DENG ,  HSING-SUANG KAO

发明人： XIAO-ZHAN PENG ,  XUE-BING DENG ,  HSING-SUANG KAO

IPC分类号： H02H9/04

CPC分类号： H02M1/32 ,  H02H3/202

摘要： A power supply circuit for providing over-voltage protection includes a power supply unit and an output. The power supply unit includes a power input control terminal and a power output terminal. The power output terminal configured for connection to the output for supplying power to a load connected to the output. The power supply circuit includes an over-voltage response unit for connection to the output, and a control unit. The control unit is connected between the over-voltage response unit and the power input control terminal. The over-voltage response unit is configured for turning on the control unit. The control unit is configured for transmitting a control signal to the power supply unit to control the power supply unit to stop outputting power when it is turned on.

摘要翻译： 用于提供过电压保护的电源电路包括电源单元和输出端。 电源单元包括电源输入控制端子和电源输出端子。 电源输出端子被配置为连接到输出端以向连接到输出端的负载供电。 电源电路包括用于连接到输出端的过电压响应单元和控制单元。 控制单元连接在过电压响应单元和电源输入控制端子之间。 过电压响应单元被配置为打开控制单元。 控制单元被配置为将控制信号发送到电源单元，以控制电源单元在其接通时停止输出电力。

公开(公告)号：US20130266153A1

公开(公告)日：2013-10-10

申请号：US13534280

申请日：2012-06-27

申请人： QIANG NIE ,  XIAO-ZHAN PENG ,  CHUN-LUNG HUNG ,  HSING-SUANG KAO

发明人： QIANG NIE ,  XIAO-ZHAN PENG ,  CHUN-LUNG HUNG ,  HSING-SUANG KAO

IPC分类号： H04B15/00

CPC分类号： H04R3/007

摘要： An exemplary anti-pop circuit for use in an electronic device includes a switch module, a first path module, and a second control module. The first path module outputs a first response signal when the electronic device is being started, the switch module cuts off the connection between the audio IC and the speaker in response to the first response signal. The second control module includes a charge/discharge unit and a second path module. The charge/discharge unit is charged by the DC power supply when the electronic device is being started, and discharges to the second path module when the electronic device is being shut down. The second path module outputs a second response signal when the electronic device is being shut down, the switch module cuts off a connection between the audio IC and the speaker in response to the second response signal.

摘要翻译： 一种用于电子设备的示例性防爆电路包括开关模块，第一路径模块和第二控制模块。 当电子设备正在启动时，第一路径模块输出第一响应信号，开关模块响应于第一响应信号切断音频IC和扬声器之间的连接。 第二控制模块包括充放电单元和第二路径模块。 当电子设备正在启动时，充电/放电单元由直流电源充电，并且当电子设备关闭时向充电/放电单元排放到第二路径模块。 当电子设备关闭时，第二路径模块输出第二响应信号，开关模块响应于第二响应信号切断音频IC和扬声器之间的连接。

公开(公告)号：US20130258539A1

公开(公告)日：2013-10-03

申请号：US13629717

申请日：2012-09-28

申请人： TAO WANG ,  XUE-BING DENG ,  HAI-LONG CHENG ,  XIAO-HUI MA ,  HSING-SUANG KAO ,  XIN-PING LI

发明人： TAO WANG ,  XUE-BING DENG ,  HAI-LONG CHENG ,  XIAO-HUI MA ,  HSING-SUANG KAO ,  XIN-PING LI

IPC分类号： H02H3/20

CPC分类号： H02H3/202

摘要： An electronic device powered by a voltage of a power supply includes a load, a switching module connected between the power supply and the load, and an overvoltage protection circuit. The overvoltage protection circuit comprises a control unit presetting a first predetermined voltage and an overvoltage protection unit. When the voltage is larger than the first predetermined voltage, the control unit generates a protection signal to control the overvoltage protection unit to generate a first control signal, the switching module cuts off an electrical connection between the power supply and the load in response to the first control signal.

摘要翻译： 由电源电压供电的电子设备包括负载，连接在电源和负载之间的开关模块以及过电压保护电路。 过电压保护电路包括预置第一预定电压的控制单元和过电压保护单元。 当电压大于第一预定电压时，控制单元产生保护信号以控制过电压保护单元以产生第一控制信号，开关模块响应于第一控制信号切断电源和负载之间的电连接 第一控制信号。

公开(公告)号：US20130285471A1

公开(公告)日：2013-10-31

申请号：US13527918

申请日：2012-06-20

申请人： DONG-LIANG REN ,  HSING-SUANG KAO

发明人： DONG-LIANG REN ,  HSING-SUANG KAO

IPC分类号： H03K3/00

CPC分类号： H04B15/02 ,  Y10T307/747

摘要： An exemplary tuner circuit is provided. The circuit includes a power control system, a first switch module, and a second switch module. The first switch module is connected between the power control system and an electronic component. The second switch module is connected between the power control system and a tuner. The power control system is independent of the electronic component it supplies. When the tuner is turned on, the power control system outputs a high level voltage to the first switch module and outputs a low level voltage to the second switch module, the first switch module disconnects power to the electronic component, the second switch module re-establishes a connection between the power control system and the tuner according to the low level voltage output by the power control system.

摘要翻译： 提供了一种示例性调谐器电路。 电路包括功率控制系统，第一开关模块和第二开关模块。 第一开关模块连接在电源控制系统和电子部件之间。 第二开关模块连接在电源控制系统和调谐器之间。 电源控制系统独立于其提供的电子元件。 当调谐器开启时，电源控制系统向第一开关模块输出高电平电压并向第二开关模块输出低电平电压，第一开关模块断开电子元件的电源， 根据功率控制系统输出的低电平电压建立功率控制系统和调谐器之间的连接。

公开(公告)号：US20130236030A1

公开(公告)日：2013-09-12

申请号：US13430701

申请日：2012-03-27

申请人： BIN-SONG MA ,  HSING-SUANG KAO

发明人： BIN-SONG MA ,  HSING-SUANG KAO

IPC分类号： H04B15/00

CPC分类号： H03K17/60 ,  H03F1/305 ,  H03G3/348 ,  H03K19/09

摘要： A mute drive circuit includes a micro-controller including an I/O port; a mute circuit; and an npn transistor. When an electronic device using the mute circuit is plugged into an AC power source, the I/O port is set to the logic low, the mute circuit performs the mute mode. When the electronic device is turned on, the I/O port is controlled set to the logic low for a period and then be pulled up to the logic high, the mute circuit performs the mute mode for the period and then enters into the normal mode. When the electronic device is turned off, the I/O port is controlled to set to the logic low, the mute circuit performs the mute mode. When the electronic device is unplugged from the AC power source, the I/O port is pulled down to the logic low, the mute circuit performs the mute mode.

摘要翻译： 静音驱动电路包括具有I / O端口的微控制器; 静音电路; 和npn晶体管。 当使用静音电路的电子设备插入交流电源时，I / O端口设置为逻辑低电平，静音电路执行静音模式。 当电子设备打开时，I / O端口被控制为逻辑低电平一段时间，然后被上拉至逻辑高电平，静音电路在该时间段内执行静音模式，然后进入正常模式 。 当电子设备关闭时，I / O端口被控制为逻辑低电平，静音电路执行静音模式。 当电子设备从交流电源拔下时，I / O端口被拉低至逻辑低电平，静音电路执行静音模式。

公开(公告)号：US20130272713A1

公开(公告)日：2013-10-17

申请号：US13598647

申请日：2012-08-30

申请人： LU-QING MENG ,  HSING-SUANG KAO

发明人： LU-QING MENG ,  HSING-SUANG KAO

IPC分类号： H04B10/02

CPC分类号： G08C23/04

摘要： A signal processing circuit includes an infrared signal processing circuit, a button signal processing circuit, and an MCU. The infrared signal processing circuit includes an infrared receiver. The button signal processing circuit includes a first button and at least one second button. The MCU includes a power input port, an infrared signal detecting port, and at least one button signal detecting port. A first terminal of the infrared receiver and a first terminal of the first button are connected to the infrared signal detecting port. A first terminal of the at least one second button is connected to the power input port via a first resistor, and further connected to the at least one button signal detecting port, a second terminal of the first button and a second terminal of the at least one second button are grounded. Thus a more effective infrared detector is available.

摘要翻译： 信号处理电路包括红外信号处理电路，按钮信号处理电路和MCU。 红外信号处理电路包括红外线接收器。 按钮信号处理电路包括第一按钮和至少一个第二按钮。 MCU包括电源输入端口，红外信号检测端口和至少一个按钮信号检测端口。 红外线接收器的第一端子和第一按钮的第一端子连接到红外线信号检测端口。 所述至少一个第二按钮的第一端子经由第一电阻器连接到所述电力输入端口，并且还连接到所述至少一个按钮信号检测端口，所述第一按钮的第二端子和所述至少一个第二按钮的第二端子 一秒钟的按钮接地。 因此，可以使用更有效的红外探测器。

公开(公告)号：US20130241627A1

公开(公告)日：2013-09-19

申请号：US13437024

申请日：2012-04-02

申请人： FU-LI GAO ,  HSING-SUANG KAO

发明人： FU-LI GAO ,  HSING-SUANG KAO

IPC分类号： H03K17/687

CPC分类号： H03K17/162 ,  H02M3/156

摘要： A power switch circuit includes a pulse width modulation (PWM) control circuit having a first frequency control terminal and a second frequency control terminal for outputting predetermined frequency signals, a first switch circuit, a second switch circuit, a first resistor connected between the first frequency control terminal and the first switch circuit, a second resistor connected between the first frequency control terminal and the second switch circuit, a first filtering circuit having a third resistor and a first capacitor, and a second filtering circuit having a fourth resistor and a second capacitor. A first terminal of the first capacitor is connected to the first switch circuit and a second terminal of the first capacitor is grounded via the third resistor. A first terminal of the second capacitor is connected to the second switch circuit and a second terminal of the second capacitor is grounded via the fourth resistor.

摘要翻译： 一种电源开关电路包括具有第一频率控制端的脉宽调制（PWM）控制电路和用于输出预定频率信号的第二频率控制端，第一开关电路，第二开关电路，连接在第一频率 控制端子和第一开关电路，连接在第一频率控制端子和第二开关电路之间的第二电阻器，具有第三电阻器和第一电容器的第一滤波电路，以及具有第四电阻器和第二电容器的第二滤波电路 。 第一电容器的第一端子连接到第一开关电路，并且第一电容器的第二端子经由第三电阻器接地。 第二电容器的第一端子连接到第二开关电路，并且第二电容器的第二端子经由第四电阻器接地。