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    • 4. 发明申请
    • POWER-SAVING CIRCUIT
    • 省电电路
    • US20080142716A1
    • 2008-06-19
    • US11874915
    • 2007-10-19
    • SHIH-FANG WONGTSUNG-JEN CHUANGLIN-KUN DING
    • SHIH-FANG WONGTSUNG-JEN CHUANGLIN-KUN DING
    • H01H36/00
    • G06F1/3203G06F1/3231Y02D10/173
    • A power-saving circuit is provided for saving electrical power by detecting a presence or absence of an object in a localized area. The power-saving circuit includes a sensor module, and a switch module connected to the sensor module. The detector is adapted for outputting a control signal at a first state when an object is detected in the localized area, and outputting a control signal at a second state when an object is detected not in the localized area. The switch module provides a stable DC voltage according to the control signal at the first state, and not provides the stable DC voltage according to the control signal at the second state.
    • 提供了一种省电电路,用于通过检测局部区域中的物体的存在或不存在来节省电力。 节电电路包括传感器模块和连接到传感器模块的开关模块。 当在局部区域中检测到物体时,检测器适于输出处于第一状态的控制信号,并且当检测到物体不在局部区域时,输出处于第二状态的控制信号。 开关模块根据第一状态下的控制信号提供稳定的直流电压,并且不在第二状态下根据控制信号提供稳定的直流电压。
    • 5. 发明申请
    • AMPLIFIER CIRCUIT
    • 放大器电路
    • US20120170774A1
    • 2012-07-05
    • US13166778
    • 2011-06-22
    • TSUNG-JEN CHUANGSHIH-FANG WONGJIANG-FENG SHANLIN-KUN DING
    • TSUNG-JEN CHUANGSHIH-FANG WONGJIANG-FENG SHANLIN-KUN DING
    • H03F99/00
    • H03F3/187H03F2203/45136H03F2203/45528
    • An amplifier circuit for amplifying audio signal output by an audio source and outputting the amplified audio signal to a speaker is provided. The amplifier circuit includes a peripheral circuit and an amplifier chip including an amplifier, a first, a second, a third resistor, and a fourth resistor. The peripheral circuit includes a fifth and a sixth resistors. The first resistor is connected between a non-inverting input port and an output port of the amplifier, the second resistor is connected between an inverting input port and the output port of the amplifier, the third resistor is connected between the non-inverting input port and the fifth resistor, the fourth resistor is connected between the inverting port and the sixth resistor, the fifth and the sixth resistors are further respectively connected to an anode output port of the audio source and a cathode output port of the audio source.
    • 提供一种用于放大由音频源输出的音频信号并将放大的音频信号输出到扬声器的放大器电路。 放大器电路包括外围电路和包括放大器,第一,第二,第三电阻器和第四电阻器的放大器芯片。 外围电路包括第五和第六电阻器。 第一个电阻连接在放大器的非反相输入端口和输出端口之间,第二个电阻连接在反相输入端口和放大器的输出端口之间,第三个电阻连接在非反相输入端口 和第五电阻器,第四电阻器连接在反相端口和第六电阻器之间,第五和第六电阻器进一步分别连接到音频源的阳极输出端口和音频源的阴极输出端口。
    • 7. 发明申请
    • AUDIO INPUT UNIT
    • 音频输入单元
    • US20110054651A1
    • 2011-03-03
    • US12767818
    • 2010-04-27
    • LIN-KUN DINGJIANG-FENG SHANREN-WEN HUANGTSUNG-JEN CHUANGSHIH-FANG WONG
    • LIN-KUN DINGJIANG-FENG SHANREN-WEN HUANGTSUNG-JEN CHUANGSHIH-FANG WONG
    • G06F17/00H03H7/06
    • H04R3/00
    • An audio input unit, includes an audio capturing unit, a first coupling circuit, a signal filtering circuit, a second coupling circuit, a converting circuit and a codec which are connected in series in that order. The first coupling circuit is used for filtering the direct-current signal, the signal filtering circuit is used for filtering noise from the electrical signal, and the second coupling circuit is used for further filtering the direct-current signal. The converting circuit includes an input port, a first output port and a second output port, when the input port receives the filtered signal, the first output port outputs a signal with the same phase as the filtered signal, the second output port outputs a signal with the reverse phase as the filtered signal, the two output signals have the opposite phase and the same amplitude.
    • 音频输入单元包括以该顺序串联连接的音频捕获单元,第一耦合电路,信号滤波电路,第二耦合电路,转换电路和编解码器。 第一耦合电路用于对直流信号进行滤波,信号滤波电路用于从电信号中滤除噪声,第二耦合电路用于进一步滤波直流信号。 转换电路包括输入端口,第一输出端口和第二输出端口,当输入端口接收到滤波信号时,第一输出端口输出与滤波信号相同相位的信号,第二输出端口输出信号 以反相作为滤波信号,两个输出信号具有相反相位和相同幅度。
    • 8. 发明申请
    • BATTERY DETECTION DEVICE AND METHOD THEREOF
    • 电池检测装置及其方法
    • US20090171601A1
    • 2009-07-02
    • US12336506
    • 2008-12-16
    • SHIH-FANG WONGTSUNG-JEN CHUANGLIN-KUN DINGJIANG-FENG SHAN
    • SHIH-FANG WONGTSUNG-JEN CHUANGLIN-KUN DINGJIANG-FENG SHAN
    • G01R31/36
    • G01R15/04G01R19/16542
    • A battery detection device for detection battery voltage of a device is provided. The device includes a voltage dividing circuit configured to provide an output voltage in proportion to the battery voltage, and a detection unit which includes a voltage detection module, a comparison module, a control module and a state detection module configured to obtain the device's state. The voltage detection module produces a digital detection voltage according to the output voltage every normal time interval initially, the comparison module detects whether the digital detection voltage is lower than a reference voltage corresponding to the state. If yes, the voltage detection module obtains digital detection voltage for predetermined times of abnormal time interval. The comparison module compares the digital detection voltage with the reference voltage to produce comparison results. The control module determines whether to maintain the device's state according to the comparison results.
    • 提供了用于检测装置的电池电压的电池检测装置。 该装置包括:分压电路,被配置为提供与电池电压成比例的输出电压;以及检测单元,其包括电压检测模块,比较模块,控制模块和状态检测模块,用于获得装置的状态。 电压检测模块最初根据每个正常时间间隔的输出电压产生数字检测电压,比较模块检测数字检测电压是否低于对应于该状态的参考电压。 如果是,电压检测模块在异常时间间隔的规定时间内获得数字检测电压。 比较模块将数字检测电压与参考电压进行比较,以产生比较结果。 控制模块根据比较结果确定是否维护设备的状态。