公开(公告)号：US20130241295A1

公开(公告)日：2013-09-19

申请号：US13663599

申请日：2012-10-30

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

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

IPC分类号： G05F1/10 ,  H02J4/00

CPC分类号： H02J9/06 ,  Y10T307/696

摘要： A power source includes a first power terminal for outputting a first supply voltage. A power management circuit includes a pulse width modulation unit having an input power terminal, a first switch unit capable of being turned on to establish an electrical connection between the first power terminal and the input power terminal or being turned off to cut off the electrical connection, a storage unit. The input power terminal receives the first supply voltage from the first power terminal when the first switch unit is turned on, the pulse width modulation unit is powered by the first supply voltage to generate a pulse voltage at the output terminal. The storage unit receives the first supply voltage to store energy when the pulse voltage is in a first level, and releases energy to generate an operating voltage for powering the load when the pulse voltage is in a second level.

摘要翻译： 电源包括用于输出第一电源电压的第一电源端子。 电源管理电路包括具有输入电源端子的脉冲宽度调制单元，能够导通的第一开关单元，以在第一电源端子和输入电源端子之间建立电连接，或者关断以断开电连接 ，存储单元。 当第一开关单元接通时，输入电源端子从第一电源端子接收第一电源电压，脉冲宽度调制单元由第一电源电压供电以在输出端产生脉冲电压。 当脉冲电压处于第一电平时，存储单元接收第一电源电压以存储能量，并且当脉冲电压处于第二电平时释放能量以产生用于为负载供电的工作电压。

公开(公告)号：US20130229163A1

公开(公告)日：2013-09-05

申请号：US13430704

申请日：2012-03-27

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

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

IPC分类号： G05F5/00

CPC分类号： H03K17/082 ,  H02H9/04

摘要： An overvoltage protection circuit is arranged in an electronic device for providing a proper working voltage to the electronic device. The overvoltage protection circuit includes a first selecting circuit and a second selecting circuit connected in parallel to the first selecting circuit between a voltage input port and a voltage output port of the overvoltage protecting circuit. When an input voltage from the input port is less than a first value, the input voltage is output to the output port directly through the first selecting circuit, and when the input voltage is greater than the first value, the input voltage is output to the output port after the value of the input voltage is reduced through the second selecting circuit.

摘要翻译： 在电子设备中布置过电压保护电路，以向电子设备提供适当的工作电压。 过电压保护电路包括与过电压保护电路的电压输入端口和电压输出端口之间并联连接到第一选择电路的第一选择电路和第二选择电路。 当来自输入端口的输入电压小于第一值时，输入电压通过第一选择电路直接输出到输出端口，当输入电压大于第一值时，输入电压输出到 通过第二选择电路减小输入电压值之后的输出端口。

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：US20130234676A1

公开(公告)日：2013-09-12

申请号：US13434792

申请日：2012-03-29

申请人： HAI-LONG CHENG ,  TAO WANG ,  XUE-BING DENG ,  XIAO-HUI MA ,  XIN-PING LI ,  YONG-SONG SHI

发明人： HAI-LONG CHENG ,  TAO WANG ,  XUE-BING DENG ,  XIAO-HUI MA ,  XIN-PING LI ,  YONG-SONG SHI

IPC分类号： H02J7/00

CPC分类号： H02J7/0047 ,  G01R31/3646

摘要： An exemplary charge indicator circuit indicates the state of charge of a battery. The charge indicator circuit includes a connection jack, an indicator module, a voltage detection module, a charger IC, and a path connection module. The indicator module includes an indicator. The indicator is on when the battery is being charged. The voltage detection module is to output a first response signal when the connection jack is connected to the power supply. The charger IC is to manage the charging of the battery, and output a low level signal when a condition of the battery is satisfied. The path connection module is in a shunt circuit of the indicator module, and enables the shunt circuit of the indicator module to cause the indicator to be on when the voltage detection module outputs the first response signal and the charger IC outputs the low level signal.

摘要翻译： 示例性充电指示器电路指示电池的充电状态。 充电指示电路包括连接插座，指示器模块，电压检测模块，充电器IC和路径连接模块。 指示灯模块包括一个指示灯。 当电池充电时，指示灯亮起。 当连接插座连接到电源时，电压检测模块将输出第一响应信号。 充电器IC用于管理电池的充电，并且当满足电池的状况时输出低电平信号。 路径连接模块位于指示器模块的分流电路中，当电压检测模块输出第一响应信号，充电器IC输出低电平信号时，使指示器模块的分流电路使指示灯亮起。

公开(公告)号：US20130241500A1

公开(公告)日：2013-09-19

申请号：US13427929

申请日：2012-03-23

申请人： HAI-LONG CHENG ,  TAO WANG ,  XUE-BING DENG

发明人： HAI-LONG CHENG ,  TAO WANG ,  XUE-BING DENG

IPC分类号： H02J7/00

CPC分类号： H02J7/047

摘要： A charge control circuit includes a resistance module, a voltage comparing module, and a charge control module. The resistance module includes a thermistor, and the resistance of the thermistor varies according to the temperature of a battery. The voltage comparing module is connected to the resistance module. The voltage comparing module compares the voltage of the thermistor with upper and lower voltage limits to determine whether the temperature of the battery is in the charge temperature range. If the voltage comparing module determines the voltage of the thermistor is outside the allowed range, the comparing module outputs a control signal to control the charge control module to stop charging the battery.

摘要翻译： 充电控制电路包括电阻模块，电压比较模块和充电控制模块。 电阻模块包括热敏电阻，并且热敏电阻的电阻根据电池的温度而变化。 电压比较模块连接到电阻模块。 电压比较模块将热敏电阻的电压与上限和下限电压进行比较，以确定电池的温度是否处于充电温度范围。 如果电压比较模块确定热敏电阻的电压超出允许范围，则比较模块输出控制信号以控制充电控制模块停止对电池充电。

公开(公告)号：US20130249318A1

公开(公告)日：2013-09-26

申请号：US13629713

申请日：2012-09-28

申请人： TAO WANG ,  XUE-BING DENG ,  HAI-LONG CHENG

发明人： TAO WANG ,  XUE-BING DENG ,  HAI-LONG CHENG

IPC分类号： H01H47/00

CPC分类号： H01M10/48 ,  H02J7/0063 ,  H02J9/005 ,  Y10T307/826

摘要： An electronic device includes a power supply, a voltage sampling circuit, a processor, and a switching unit connected between the processor and the voltage sampling circuit. The voltage sampling circuit samples the voltage of the power supply. The processor monitors the sampled voltage. The processor further generates a first control signal when the electronic device is powered off. The switching unit cuts off the electrical connection between the power supply and the voltage sampling circuit in response to the first control signal.

摘要翻译： 电子设备包括电源，电压采样电路，处理器和连接在处理器和电压采样电路之间的开关单元。 电压采样电路对电源的电压进行采样。 处理器监视采样电压。 当电子设备断电时，处理器还产生第一控制信号。 开关单元响应于第一控制信号切断电源和电压采样电路之间的电连接。

公开(公告)号：US20130246822A1

公开(公告)日：2013-09-19

申请号：US13430706

申请日：2012-03-27

申请人： XUE-BING DENG ,  TAO WANG ,  HAI-LONG CHENG

发明人： XUE-BING DENG ,  TAO WANG ,  HAI-LONG CHENG

IPC分类号： G06F1/32

CPC分类号： G06F1/3203 ,  H02J9/005

摘要： An electronic device with standby state includes a MCU, a voltage conversion unit, a screen lock circuit, and a power-saving trigger circuit. The voltage conversion unit is connected to the MCU and is used to convert a power supply voltage to a suitable voltage to power the MCU. The screen lock circuit includes a switch, therein, the screen lock circuit is connected to the MCU and is used to lock or unlock the electronic device in response to an operation on the switch when the electronic device is in a work state. The power-saving trigger circuit is connected to the MCU, the voltage conversion unit, and the screen lock circuit, and is used to disable or enable the voltage conversion unit in response to the operation on the switch when the electronic device is in the standby state.

摘要翻译： 具有待机状态的电子设备包括MCU，电压转换单元，屏幕锁定电路和省电触发电路。 电压转换单元连接到MCU，用于将电源电压转换为合适的电压为MCU供电。 屏幕锁定电路包括开关，其中屏幕锁定电路连接到MCU，并且当电子设备处于工作状态时，响应于开关上的操作而用于锁定或解锁电子设备。 省电触发电路连接到MCU，电压转换单元和屏幕锁定电路，用于在电子设备处于待机状态时响应于开关上的操作禁用或启用电压转换单元 州。

公开(公告)号：US20130314066A1

公开(公告)日：2013-11-28

申请号：US13680131

申请日：2012-11-19

申请人： XUE-BING DENG ,  TAO WANG ,  HAI-LONG CHENG

发明人： XUE-BING DENG ,  TAO WANG ,  HAI-LONG CHENG

IPC分类号： G05F5/00

CPC分类号： G05F5/00 ,  H03K4/00 ,  H03K5/13

摘要： An electronic device receives a voltage from a power supply. The electronic device includes a load, a first adjusting module, a switching module, a delay module, and a second adjusting module. The first adjusting module produces a working voltage when the electronic device is powered on. The switching module establishes an electrical connection between the first adjusting module and the load when receiving the working voltage, and cuts off the electrical connection when not receiving the working voltage. The delay module delays outputting the working voltage to the load for a first predetermined time period on power on, and maintains a power supply to the load for a second predetermined time period after power off. Both the first predetermined time period and the second predetermined time period are independently adjustable.

摘要翻译： 电子设备从电源接收电压。 电子装置包括负载，第一调整模块，开关模块，延迟模块和第二调整模块。 当电子设备通电时，第一个调节模块产生工作电压。 开关模块在接收工作电压时，在第一调整模块和负载之间建立电连接，并且在不接收工作电压时切断电气连接。 延迟模块在上电时延迟向负载输出第一预定时间段的工作电压，并且在断电后的第二预定时间段内维持对负载的电力供应。 第一预定时间段和第二预定时间段均可独立调节。

公开(公告)号：US20130238909A1

公开(公告)日：2013-09-12

申请号：US13437022

申请日：2012-04-02

申请人： HAI-LONG CHENG ,  TAO WANG ,  XUE-BING DENG

发明人： HAI-LONG CHENG ,  TAO WANG ,  XUE-BING DENG

IPC分类号： G06F1/26

CPC分类号： G11B19/02 ,  H02J1/108 ,  H03K17/74

摘要： A power enabling control circuit is arranged in an electronic device. The electronic device includes a processor, a power integrated circuit, and a Moving Pictures Experts Group chip. The power enabling control circuit is connected to the processor and the Moving Pictures Experts Group chip for receiving a high level voltage from the processor or the Moving Pictures Experts Group chip. The power enabling control circuit is further connected to a power enabling port of the power integrated circuit to provide a high level voltage to the power enabling port based on the received high level voltage, causing the power integrated circuit in a working state to supply power to internal components of the electronic device.

摘要翻译： 功率使能控制电路布置在电子设备中。 电子设备包括处理器，功率集成电路和运动图像专家组芯片。 功率使能控制电路连接到处理器和运动图像专家组芯片，用于从处理器或运动图像专家组芯片接收高电平电压。 功率使能控制电路还连接到功率集成电路的功率使能端口，以基于接收到的高电平电压向功率使能端口提供高电平电压，使得功率集成电路处于工作状态以向 电子设备的内部组件。

公开(公告)号：US20120033820A1

公开(公告)日：2012-02-09

申请号：US13156427

申请日：2011-06-09

申请人： TAO WANG

发明人： TAO WANG

IPC分类号： H03G11/00

CPC分类号： H04R3/007

摘要： An audio player includes a reading unit, a processing unit, a speaker, and a protection unit. The reading unit acquires an audio file stored in a memory. The processing unit processes the acquired audio file to generate an audio signal. The speaker reproduces the audio signal. The protection unit is connected between the processing unit and the speaker and is used for detecting temperature changes of the speaker. An internal resistance of the protection unit is automatically adjusted according to temperature changes of the speaker to adjust the current of the audio signal flowing from the processing unit to the speaker.

摘要翻译： 音频播放器包括读取单元，处理单元，扬声器和保护单元。 读取单元获取存储在存储器中的音频文件。 处理单元处理获取的音频文件以产生音频信号。 扬声器再现音频信号。 保护单元连接在处理单元和扬声器之间，用于检测扬声器的温度变化。 保护单元的内部电阻根据扬声器的温度变化自动调节，以调节从处理单元流向扬声器的音频信号的电流。