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1. 发明申请

WO2010124561A1 MICROPHONE 审中-公开
标题翻译：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
申请人： BYD COMPANY LIMITED , ZHAO, Jing , YANG, Gangjian , XU, Kunping , LI, Hai , YANG, Yun , FENG, Wei
发明人： ZHAO, Jing , YANG, Gangjian , XU, Kunping , LI, Hai , YANG, Yun , FENG, Wei
IPC分类号： H04R1/00
CPC分类号： H04R19/005 , H04R19/016 , H04R2410/03
摘要： 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.
摘要翻译：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。

2. 发明申请

WO2011012054A1 METHOD AND DEVICE FOR ELIMINATING BACKGROUND NOISE 审中-公开
标题翻译：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
申请人： BYD COMPANY LIMITED , LI, Hai , XU, Kunping , YANG, Yun , FENG, Wei
发明人： LI, Hai , XU, Kunping , YANG, Yun , FENG, Wei
IPC分类号： G10L21/02
CPC分类号： G10L21/0208
摘要： 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.
摘要翻译：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。

3. 发明申请

WO2010115359A1 METHOD AND DEVICE FOR ELIMINATING BACKGROUND NOISE 审中-公开
标题翻译：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
申请人： BYD COMPANY LIMITED , LI, Hai , XU, Kunping , ZHANG, Lizhen , YANG, Yun , FENG, Wei
发明人： LI, Hai , XU, Kunping , ZHANG, Lizhen , YANG, Yun , FENG, Wei
IPC分类号： G10L21/02 , G10L11/02
CPC分类号： G10L21/0208 , G10L2021/02168
摘要： 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.
摘要翻译：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。

4. 发明申请

WO2016197940A1 METHOD AND APPARATUS FOR ADJUSTING EXCITATION VOLTAGE OF FINGERPRINT DETECTION CHIP 审中-公开
标题翻译：用于调整指纹检测芯片的激发电压的方法和装置
公开(公告)号：WO2016197940A1
公开(公告)日：2016-12-15
申请号：PCT/CN2016/085234
申请日：2016-06-08
申请人： BYD COMPANY LIMITED
发明人： LI, Zhengang , XU, Kunping , YANG, Yun
IPC分类号： G06K9/00
CPC分类号： G06K9/0002
摘要： a method and an apparatus for adjusting an excitation voltage of a fingerprint detection chip (100) and a fingerprint detection chip (100). The fingerprint detection chip (100) has a signal transmitting unit, a first detection area (110) and a second detection area (120), each of the first detection area (110) and the second detection area (120) has a plurality of detection units (121), the first detection area (110) is configured to detect a fingerprint capacitance, a metal ring (200) is located on the fingerprint detection chip (100), the metal ring (200) at least partially covers the second detection area (120). Improving efficiency of fingerprint detection.
摘要翻译：一种用于调整指纹检测芯片（100）和指纹检测芯片（100）的激励电压的方法和装置。指纹检测芯片（100）具有信号发送单元，第一检测区域（110）和第二检测区域（120），第一检测区域（110）和第二检测区域（120）中的每一个具有多个检测单元（121），第一检测区域（110）被配置为检测指纹电容，金属环（200）位于指纹检测芯片（100）上，金属环（200）至少部分地覆盖第二检测区域（120）。提高指纹检测的效率。

5. 发明申请

WO2016127738A1 FINGERPRINT DETECTION CIRCUIT AND METHOD, ELECTRONIC DEVICE 审中-公开
标题翻译：指纹检测电路和方法，电子设备
公开(公告)号：WO2016127738A1
公开(公告)日：2016-08-18
申请号：PCT/CN2016/070196
申请日：2016-01-05
申请人： BYD COMPANY LIMITED
发明人： LI, Zhengang , XU, Kunping , YANG, Yun
IPC分类号： G06K9/00
CPC分类号： G06K9/0002
摘要： A fingerprint detection circuit and a corresponding method are provided. The circuit (100) includes a fingerprint collecting module (102) and a processing module (104). The fingerprint collecting module (102) includes a plurality of collecting units (112), and each collecting unit (112) has a regulation voltage and is configured to output a first voltage or a second voltage according to a capacitance value of one of ridge capacitors, a capacitance value of one of ridge capacitors and the regulation voltage. The processing module (104) is configured to amplify the first and second voltages by a predetermined factor, to calculate a difference between the amplified first and second voltages, and to determine whether the difference is greater than or equal to the predetermined threshold. If no, the processing module (104) adjusts at least one parameter, and configures the fingerprint detection circuit (102) using at least one adjusted parameter.
摘要翻译：提供了一种指纹检测电路和相应的方法。电路（100）包括指纹采集模块（102）和处理模块（104）。指纹收集模块（102）包括多个收集单元（112），并且每个收集单元（112）具有调节电压，并且被配置为根据脊电容器之一的电容值输出第一电压或第二电压，脊电容之一的电容值和调节电压。处理模块（104）被配置为以预定的因子放大第一和第二电压，以计算放大的第一和第二电压之间的差，并且确定该差是否大于或等于预定阈值。如果否，则处理模块（104）调整至少一个参数，并且使用至少一个调整参数来配置指纹检测电路（102）。

6. 发明申请

WO2016127733A1 FINGERPRINT DETECTION CIRCUIT AND ELECTRONIC DEVICE 审中-公开
标题翻译：指纹检测电路和电子设备
公开(公告)号：WO2016127733A1
公开(公告)日：2016-08-18
申请号：PCT/CN2016/070190
申请日：2016-01-05
申请人： BYD COMPANY LIMITED
发明人： LI, Zhengang , XU, Kunping , YANG, Yun
IPC分类号： G06K9/00
CPC分类号： G06K9/0002 , G06K9/001
摘要： 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 finger capacitors, the fingerprint detection circuit including: a signal amplifier having a negative input terminal connected with one of the finger capacitors, a positive input terminal connected with a ground terminal, and an output terminal to output an output voltage according to a capacitance value of one of the finger capacitors; a capacitor, connected between the negative terminal and the output terminal of the signal amplifier; a rheostat; and a switch unit connected with the rheostat in series, and configured to control the rheostat to be connected with the capacitor in parallel, such that the output voltage has a non-linear relationship with the capacitance value of one of the finger capacitors.
摘要翻译：提供指纹检测电路和电子设备。所述指纹检测电路被配置为向手指施加激励信号以产生指状电容器，所述指纹检测电路包括：信号放大器，具有与所述指状电容器之一连接的负输入端子，与所述指状电容器连接的正输入端子接地端子和输出端子，以根据一个手指电容器的电容值输出输出电压; 电容器，连接在信号放大器的负极端子和输出端子之间; 变阻器以及开关单元，其与所述变阻器串联连接，并且被配置为并联控制所述变阻器与所述电容器连接，使得所述输出电压与所述指状电容器之一的电容值具有非线性关系。

7. 发明申请

WO2016127737A1 FINGERPRINT DETECTION CIRCUIT AND ELECTRONIC DEVICE 审中-公开
标题翻译：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
申请人： BYD COMPANY LIMITED
发明人： LI, Zhengang , XU, Kunping , YANG, Yun
IPC分类号： G06K9/00
CPC分类号： G06K9/0002 , H03F3/005 , H03F2200/129
摘要： 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.
摘要翻译：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。

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