FINGERPRINT DETECTION CIRCUIT AND ELECTRONIC DEVICE
    24.
    发明申请
    FINGERPRINT DETECTION CIRCUIT AND ELECTRONIC DEVICE 审中-公开
    指纹检测电路和电子设备

    公开(公告)号:WO2016127737A1

    公开(公告)日:2016-08-18

    申请号:PCT/CN2016/070195

    申请日:2016-01-05

    CPC classification number: G06K9/0002 H03F3/005 H03F2200/129

    Abstract: A fingerprint detection circuit and an electronic device are provided. The fingerprint detection circuit, configured to apply an excitation signal to a finger so as to generate a finger capacitor, the fingerprint detection circuit including: a signal amplifier having a negative input terminal connected with the finger capacitor, a positive input terminal connected with a voltage reference terminal, and an output terminal to output an output voltage according to a capacitance value of the finger capacitor; a capacitor; and a switch unit connected with the negative input terminal and the output terminal of the signal amplifier respectively, and configured to control the capacitor to be connected between the negative input terminal and the output terminal of the signal amplifier, such that the output voltage has a non-linear relationship with the capacitance value of the finger capacitor.

    Abstract translation: 提供指纹检测电路和电子设备。 指纹检测电路,被配置为向手指施加激励信号以产生手指电容器,所述指纹检测电路包括:具有与所述手指电容器连接的负输入端子的信号放大器,与所述手指电容器连接的正输入端子 参考端子和输出端子,以根据手指电容器的电容值输出输出电压; 电容器 以及开关单元,分别与信号放大器的负输入端子和输出端子相连,并且被配置为控制要连接在信号放大器的负输入端子和输出端子之间的电容器,使得输出电压具有 与手指电容的电容值非线性关系。

    CAPACITANCE DETECTING DEVICE FOR FINGERPRINT IDENTIFICATION AND FINGERPRINT IDENTIFICATION APPARATUS COMPRISING THE SAME
    25.
    发明申请
    CAPACITANCE DETECTING DEVICE FOR FINGERPRINT IDENTIFICATION AND FINGERPRINT IDENTIFICATION APPARATUS COMPRISING THE SAME 审中-公开
    用于手指识别的电容检测装置和包含该识别装置的手指识别装置

    公开(公告)号:WO2015096807A1

    公开(公告)日:2015-07-02

    申请号:PCT/CN2014/095134

    申请日:2014-12-26

    CPC classification number: G06K9/0002 G01R27/2605

    Abstract: A capacitance detecting device for fingerprint identification comprises a conductive border (200), a detecting screen (100) and a detecting module (300). The detecting screen (100) comprises a plurality of detecting units (110). Each detecting unit (110) comprises a first conductive layer (111), a second conductive layer (112), a third conductive layer (113) and a fourth conductive layer (114). The detecting module (300) is configured to charge a sensing capacitance between the first conductive layer (111) and a finger (5) in contact with the detecting screen (100) and a feedback capacitance between the first conductive layer (111) and the second conductive layer (112) at a sampling stage, to control electric charges of the sensing capacitance and the feedback capacitance to transfer to an integrating capacitance between the third conductive layer (113) and the fourth conductive layer (114) at an integral stage, to measure a voltage variation of the integrating capacitance at the integral stage and to calculate the sensing capacitance according to the voltage variation. A fingerprint identification apparatus is also provided.

    Abstract translation: 用于指纹识别的电容检测装置包括导电边界(200),检测屏(100)和检测模块(300)。 检测画面(100)包括多个检测单元(110)。 每个检测单元(110)包括第一导电层(111),第二导电层(112),第三导电层(113)和第四导电层(114)。 检测模块(300)被配置为对与检测屏(100)接触的第一导电层(111)和手指(5)之间的感测电容进行充电,并且在第一导电层(111)和第 在采样级的第二导电层(112)中,控制感测电容的电荷和反馈电容,以在整体级转移到第三导电层(113)和第四导电层(114)之间的积分电容, 测量积分级的积分电容的电压变化,并根据电压变化计算感测电容。 还提供了一种指纹识别装置。

    DIMMING CONTROLLING CIRCUIT FOR LED
    26.
    发明申请
    DIMMING CONTROLLING CIRCUIT FOR LED 审中-公开
    LED调光控制电路

    公开(公告)号:WO2012028091A1

    公开(公告)日:2012-03-08

    申请号:PCT/CN2011/079138

    申请日:2011-08-31

    CPC classification number: H05B37/02 H05B33/0815 H05B33/0851 Y02B20/346

    Abstract: A dimming controlling circuit for LED comprises: a switch (S0) configured to connect a main circuit (50) and a power grid; a switch-on duration controlling circuit (10) configured to output a switch-on duration controlling signals according to action times of the switch (S0); a switch-off controlling circuit (20) configured to output a switch-off controlling signal according to a comparison result of the voltages of the switch-on duration controlling signal and of a signal from a terminal of a switch transistor (M1) in the main circuit (50); a switch-on controlling circuit (30) configured to generate a switch-on controlling signal after a first preset duration since receiving the switch-off controlling signal; and a logic unit (40) configured to output a switch transistor controlling signal. The dimming controlling circuit for LED of the present disclosure is simple in structure and a manufacturing cost is low.

    Abstract translation: 一种用于LED的调光控制电路包括:开关(S0),被配置为连接主电路(50)和电网; 开关持续时间控制电路(10),被配置为根据所述开关(S0)的动作时间输出开启持续时间控制信号; 关闭控制电路(20),被配置为根据所述接通持续时间控制信号的电压和来自所述开关晶体管(M1)的端子的信号的比较结果来输出关断控制信号 主电路(50); 接通控制电路(30),其被配置为在接收到所述切断控制信号之后,在第一预设持续时间之后产生接通控制信号; 以及配置为输出开关晶体管控制信号的逻辑单元(40)。 本公开的LED的调光控制电路结构简单,制造成本低。

    METHOD AND DEVICE FOR ELIMINATING BACKGROUND NOISE
    27.
    发明申请
    METHOD AND DEVICE FOR ELIMINATING BACKGROUND NOISE 审中-公开
    消除背景噪声的方法和装置

    公开(公告)号:WO2011012054A1

    公开(公告)日:2011-02-03

    申请号:PCT/CN2010/075255

    申请日:2010-07-19

    CPC classification number: G10L21/0208

    Abstract: A method for eliminating background noise may comprise a) detecting a characteristic value of an audio signal to obtain a characteristic signal reflecting a change trend of the audio signal; b) multiplying the characteristic signal and the audio signal to obtain a product signal; and c) 5 amplifying the product signal proportionally and outputting the amplified product signal. A device for eliminating background noise is also disclosed.

    Abstract translation: 消除背景噪声的方法可以包括:a)检测音频信号的特征值以获得反映音频信号的变化趋势的特征信号; b)乘以特征信号和音频信号以获得乘积信号; 和c)5成比例地放大产品信号并输出​​放大的产品信号。 还公开了用于消除背景噪声的装置。

    TOUCHPAD
    28.
    发明申请
    TOUCHPAD 审中-公开
    触控板

    公开(公告)号:WO2011012035A1

    公开(公告)日:2011-02-03

    申请号:PCT/CN2010/074391

    申请日:2010-06-24

    CPC classification number: G06F3/045 G06F3/03547

    Abstract: The present invention provides a touchpad comprising a double-layer printed circuit board and an insulating layer attached onto the upper layer of the board, the board comprises an upper layer and a lower layer, the upper layer comprises a plurality of first axial conductive units, a first axial conductive wire, and a plurality of second axial conductive units, the lower layer comprises a wire connecting zone and a component zone defined by the wire connecting zone, the wire connecting zone includes a wire; a first conductor; and a second conductor; the plurality of first and second axial conductive units are serially-connected via the first and second axial conductive wires respectively; and the second axial conductive wire is electrically coupled to the second axial conductive units via the second conductor. According to the present invention, the manufacturing process is simple and the cost is low.

    Abstract translation: 本发明提供了一种触摸板,其包括双层印刷电路板和附着在所述板的上层上的绝缘层,所述板包括上层和下层,所述上层包括多个第一轴向导电单元, 第一轴向导线和多个第二轴向导电单元,所述下层包括线连接区和由所述线连接区限定的部分区,所述线连接区包括线; 第一个指挥 和第二导体; 多个第一和第二轴向导电单元分别经由第一和第二轴向导线串联连接; 并且所述第二轴向导线经由所述第二导体电耦合到所述第二轴向导电单元。 根据本发明,制造过程简单,成本低。

    MICROPHONE
    29.
    发明申请
    MICROPHONE 审中-公开
    麦克风

    公开(公告)号:WO2010124561A1

    公开(公告)日:2010-11-04

    申请号:PCT/CN2010/071861

    申请日:2010-04-17

    CPC classification number: H04R19/005 H04R19/016 H04R2410/03

    Abstract: The present invention discloses a microphone, which may comprise an inner unit comprising a microphone module; a driver module coupled to the microphone module; a noise cancellation module coupled to the driver module; and a housing for accommodating the inner unit. At least two modules selected from the microphone module, the driver module and the noise cancellation module may be integrated in a chip. The microphone according to the present invention has a smaller volume with reduced technical complexity.

    Abstract translation: 本发明公开了一种麦克风,其可以包括包括麦克风模块的内部单元; 耦合到所述麦克风模块的驱动器模块; 耦合到所述驱动器模块的噪声消除模块; 以及用于容纳内部单元的壳体。 从麦克风模块,驱动器模块和噪声消除模块中选择的至少两个模块可以集成在芯片中。 根据本发明的麦克风具有较小的体积,降低了技术复杂性。

    METHOD AND DEVICE FOR ELIMINATING BACKGROUND NOISE
    30.
    发明申请
    METHOD AND DEVICE FOR ELIMINATING BACKGROUND NOISE 审中-公开
    消除背景噪声的方法和装置

    公开(公告)号:WO2010115359A1

    公开(公告)日:2010-10-14

    申请号:PCT/CN2010/071334

    申请日:2010-03-25

    CPC classification number: G10L21/0208 G10L2021/02168

    Abstract: A method for eliminating background noise and a device thereof are provided. The method may comprise the steps of : detecting an effective value of a received audio signal to generate an output signal corresponding to an average power of the received audio signal (step A); generating a noise eliminating control signal by comparing the output signal corresponding to the average power signal with first threshold determined based on the difference between an average power of the voice signal and an average power of the noise signal (step B); eliminating the noise signal from the received audio signal, and amplifying the voice signal in the received audio signal with the control of the noise eliminating control signal. Based on the method and device, the background noise may be eliminated effectively.

    Abstract translation: 提供消除背景噪声的方法及其装置。 该方法可以包括以下步骤:检测所接收的音频信号的有效值以产生对应于所接收的音频信号的平均功率的输出信号(步骤A); 通过将对应于平均功率信号的输出信号与基于语音信号的平均功率和噪声信号的平均功率之间的差异确定的第一阈值相比较来产生噪声消除控制信号(步骤B); 消除来自接收到的音频信号的噪声信号,并且通过噪声消除控制信号的控制来放大所接收的音频信号中的语音信号。 基于该方法和装置,可以有效地消除背景噪声。

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