公开(公告)号：WO2014101869A1

公开(公告)日：2014-07-03

申请号：PCT/CN2013/090888

申请日：2013-12-30

Applicant: SHENZHEN BYD AUTO R&D COMPANY LIMITED ,  BYD COMPANY LIMITED

Inventor： CHEN, Shengsheng ,  ZHANG, Jie ,  YANG, Yun

IPC: G06F3/044

CPC classification number: G06F3/0418 ,  G06F3/0416 ,  G06F3/044 ,  G06F3/047 ,  G09G5/003 ,  G09G2300/0426

Abstract: A capacitance detecting circuit is provided, comprising: N induction units; a transferring capacitor configured to transfer charges to a capacitor of a scanned induction unit, and a second terminal of the transferring capacitor is grounded; a charging module (101) configured to charge the transferring capacitor, and a second terminal of the charging module (101) is connected with a first power supply; a discharging module (100) configured to discharge the transferring capacitor and comprising a first resistor and a second switch, a second terminal of the discharging module (100) is grounded; a controller connected with the charging module (101), the transferring capacitor and the discharging module respectively, and configured to control the second switch to switch on when a voltage of the transferring capacitor is larger than a preset threshold voltage, to update a count value and to detect a touch on the N induction units according to the count value.

Abstract translation: 提供一种电容检测电路，包括：N个感应单元; 转移电容器，被配置为将电荷转移到扫描的感应单元的电容器，并且所述转移电容器的第二端子接地; 充电模块（101），被配置为对所述传送电容器进行充电，并且所述充电模块（101）的第二端子与第一电源连接; 放电模块（100），被配置为对所述转移电容器进行放电并且包括第一电阻器和第二开关，所述放电模块（100）的第二端子接地; 与充电模块（101）连接的控制器，转移电容器和放电模块，并且被配置为当转印电容器的电压大于预设阈值电压时控制第二开关导通，以更新计数值 并根据计数值检测N感应单元上的触摸。

公开(公告)号：WO2014101861A1

公开(公告)日：2014-07-03

申请号：PCT/CN2013/090848

申请日：2013-12-30

Applicant: SHENZHEN BYD AUTO R&D COMPANY LIMITED ,  BYD COMPANY LIMITED

Inventor： DING, Long ,  ZHANG, Jie ,  YANG, Yun

IPC: G06F3/044

CPC classification number: G06F3/044

Abstract: A mutual-capacitance detection circuit and a mutual-capacitance detection array are provided. The mutual-capacitance detection circuit comprises: a first capacitor; a limited current transmitting module, connected with an input end of the first capacitor and configured to control the first capacitor to output a current signal having an alternate positive and negative amplitude; and a receiving module, connected with an output end of the first capacitor and configured to output a digital level pulse signal according to the amplitude of the current signal output from the first capacitor, in which a width of the digital level pulse signal is positively related with the amplitude of the current signal output from the first capacitor.

Abstract translation: 提供互电容检测电路和互电容检测阵列。 互电容检测电路包括：第一电容器; 有限的电流传输模块，与第一电容器的输入端相连，并被配置为控制第一电容器以输出具有交替的正和负振幅的电流信号; 以及接收模块，与第一电容器的输出端连接，并且被配置为根据从第一电容器输出的电流信号的幅度输出数字电平脉冲信号，其中数字电平脉冲信号的宽度正相关 其中从第一电容器输出的电流信号的幅度。

公开(公告)号：WO2015101266A1

公开(公告)日：2015-07-09

申请号：PCT/CN2014/095423

申请日：2014-12-29

Applicant: BYD COMPANY LIMITED

Inventor： ZHANG, Zibao ,  ZHANG, Jie ,  YANG, Yun

IPC: G06K9/00

CPC classification number: G06K9/0002

Abstract: A sensor (200) for detecting a fingerprint, a fingerprint identification apparatus (20) and a controlling method of a sensor for detecting a fingerprint are provided. The sensor (200) for detecting the fingerprint includes a detecting panel (210) including: a detecting region (220) with a plurality of detecting units (221), in which the plurality of detecting units (221) are distributed in a plurality rows and columns on the detecting region (220); and a conductive layer (230), configured to form a sensing capacitance between the conductive layer (230) and a finger when the finger is close to the detecting region (220); a capacitance detecting module (240), configured to detect the sensing capacitance; and a control module (250).

Abstract translation: 提供了用于检测指纹的传感器（200），指纹识别装置（20）以及用于检测指纹的传感器的控制方法。 用于检测指纹的传感器（200）包括：检测面板（210），包括：具有多个检测单元（221）的检测区域（220），多个检测单元（221）分布在多个行 和列在检测区域（220）上; 以及导电层（230），被配置为当所述手指靠近所述检测区域（220）时在所述导电层（230）和手指之间形成感测电容; 电容检测模块（240），被配置为检测所述感测电容; 和控制模块（250）。

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

Applicant: BYD COMPANY LIMITED

Inventor： ZHANG, Zibao ,  ZHANG, Jie ,  YANG, Yun

IPC: G01D5/24 ,  G06K9/00

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。

公开(公告)号：WO2011063723A1

公开(公告)日：2011-06-03

申请号：PCT/CN2010/078770

申请日：2010-11-16

Applicant: BYD COMPANY LIMITED ,  XU, Pei ,  ZHAO, Yitong ,  ZHANG, Jie ,  HUANG, Chen ,  YANG, Yun

Inventor： XU, Pei ,  ZHAO, Yitong ,  ZHANG, Jie ,  HUANG, Chen ,  YANG, Yun

IPC: G06F3/045

CPC classification number: G06F3/045 ,  G06F3/0416

Abstract: A method of controlling a touch screen is provided. The method may comprise the steps of: detecting whether the touch screen is pressed; detecting whether more than one touch sensitive unit is pressed if the touch screen is pressed; combining sensed signals generated by the pressed touch sensitive units into a first output signal if more than one touch sensitive unit is pressed; generating a control signal based on the first output signal; and outputting the control signal to a terminal application device to enable user control. Further, a touch screen is provided accordingly.

Abstract translation: 提供了一种控制触摸屏的方法。 该方法可以包括以下步骤：检测触摸屏是否被按下; 如果按下触摸屏，则检测是否按下多个触敏单元; 如果按下多于一个的触摸敏感单元，将由按压的触敏单元产生的感测信号组合成第一输出信号; 基于所述第一输出信号产生控制信号; 并将控制信号输出到终端应用设备以使用户能够进行控制。 此外，相应地提供触摸屏。

公开(公告)号：EP3090383A1

公开(公告)日：2016-11-09

申请号：EP14875903.8

申请日：2014-12-29

Applicant: BYD Company Limited

Inventor： ZHANG, Zibao ,  ZHANG, Jie ,  YANG, Yun

IPC: G06K9/00

CPC classification number: G06K9/0002

Abstract: A sensor (200) for detecting a fingerprint, a fingerprint identification apparatus (20) and a controlling method of a sensor for detecting a fingerprint are provided. The sensor (200) for detecting the fingerprint includes a detecting panel (210) including: a detecting region (220) with a plurality of detecting units (221), in which the plurality of detecting units (221) are distributed in a plurality rows and columns on the detecting region (220); and a conductive layer (230), configured to form a sensing capacitance between the conductive layer (230) and a finger when the finger is close to the detecting region (220); a capacitance detecting module (240), configured to detect the sensing capacitance; and a control module (250).

Abstract translation: 本发明提供一种用于检测指纹，指纹识别装置和传感器的用于检测指纹的控制方法的传感器。 用于检测指纹传感器包括一个面板检测包含：与检测单元的检测多元化，其中检测单元的多元性被分布在多个行和列上的检测区域的区域; 和导电层，用于形成导电层和一个手指当手指接近检测区域之间的感测电容; 电容检测模块，被配置为检测所述感测电容; 和控制模块。

公开(公告)号：EP3087349A1

公开(公告)日：2016-11-02

申请号：EP14874728.0

申请日：2014-12-26

Applicant: BYD Company Limited

Inventor： ZHANG, Zibao ,  ZHANG, Jie ,  YANG, Yun

IPC: G01D5/24 ,  G06K9/00

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: 提供了一种用于指纹识别的电容检测装置和指纹识别装置。 该装置包括导电边界; 检测屏，包括：多个检测单元，其中每个检测单元包括：第一导电层，第二导电层，第三导电层和第四导电层; 检测模块，被配置为在所述第一导电层和与所述检测屏幕接触的手指之间对感测电容进行充电，以及在采样阶段对所述第一导电层和所述第二导电层之间的反馈电容进行充电，以控制所述感测的电荷 电容和反馈电容，以在积分级传递到第三导电层和第四导电层之间的积分电容，以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 。