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

Applicant: BYD COMPANY LIMITED

Inventor： LI, Zhengang ,  XU, Kunping ,  YANG, Yun

IPC: G06K9/00

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。

公开(公告)号：WO2013013629A1

公开(公告)日：2013-01-31

申请号：PCT/CN2012/079208

申请日：2012-07-26

Applicant: SHENZHEN BYD AUTO R&D COMPANY LIMITED ,  BYD COMPANY LIMITED ,  LI, Zhengang ,  HUANG, Chen ,  YANG, Yun

Inventor： LI, Zhengang ,  HUANG, Chen ,  YANG, Yun

IPC: G06F3/044

CPC classification number: G06F3/044 ,  G06F3/0416 ,  G06F3/045 ,  G06F2203/04103

Abstract: A touch detecting method, a touch detecting assembly, a touch sensitive device and a portable electronic apparatus are provided. The touch sensitive device comprises: a substrate (100); a plurality of induction units (200) not intersecting with each other, each induction unit (200) comprising a first electrode (210) and a second electrode (220); and a control chip (300) connected with the first electrodes (210) and the second electrodes (220) respectively. The control chip (300) is configured to applying a level signal to the first electrodes (210) and/or the second electrodes (220) to charge a self capacitor, to calculate a ratio between a first resistor and a second resistor when the touch is detected on the induction unit (200), and to determine a touch position according to the ratio between the first resistor and the second resistor.

Abstract translation: 提供了触摸检测方法，触摸检测组件，触敏设备和便携式电子设备。 触敏装置包括：基板（100）; 多个感应单元（200）彼此不相交，每个感应单元（200）包括第一电极（210）和第二电极（220）; 以及分别与第一电极（210）和第二电极（220）连接的控制芯片（300）。 控制芯片（300）被配置为向第一电极（210）和/或第二电极（220）施加电平信号以对自身电容器充电，以在触摸时计算第一电阻器和第二电阻器之间的比率 在所述感应单元（200）上检测到，并且根据所述第一电阻器和所述第二电阻器之间的比率来确定触摸位置。

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

Applicant: BYD COMPANY LIMITED

Inventor： LI, Zhengang ,  XU, Kunping ,  YANG, Yun

IPC: G06K9/00

CPC classification number: G06K9/0002

Abstract: 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.

Abstract translation: 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。

公开(公告)号：WO2014127716A1

公开(公告)日：2014-08-28

申请号：PCT/CN2014/072257

申请日：2014-02-19

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

Inventor： LI, Zhengang ,  HUANG, Chen ,  YANG, Yun

IPC: G06F3/044

CPC classification number: G06F3/044 ,  G06F3/0416 ,  G06F2203/04106

Abstract: A method and an apparatus for positioning a touch point on a touch screen are provided. The method includes: detecting simultaneously a self-capacitance and a mutual capacitance of a sensor in the touch screen to obtain a self-capacitance positioning result and a mutual capacitance detecting result respectively; obtaining a mutual capacitance positioning result according to the mutual capacitance detecting result; determining a location of the touch point according to the self-capacitance positioning result and the mutual capacitance positioning result.

Abstract translation: 提供了一种用于在触摸屏上定位触摸点的方法和装置。 该方法包括：同时检测触摸屏中的传感器的自电容和互电容，分别获得自电容定位结果和互电容检测结果; 根据互电容检测结果获得互电容定位结果; 根据自电容定位结果和互电容定位结果确定触摸点的位置。

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

Applicant: BYD COMPANY LIMITED

Inventor： LI, Zhengang ,  XU, Kunping ,  YANG, Yun

IPC: G06K9/00

CPC classification number: G06K9/0002

Abstract: 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.

Abstract translation: 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）。

公开(公告)号：WO2013013637A1

公开(公告)日：2013-01-31

申请号：PCT/CN2012/079224

申请日：2012-07-26

Applicant: SHENZHEN BYD AUTO R&D COMPANY LIMITED ,  BYD COMPANY LIMITED ,  LI, Zhengang ,  HUANG, Chen ,  YANG, Yun

Inventor： LI, Zhengang ,  HUANG, Chen ,  YANG, Yun

IPC: G06F3/044

CPC classification number: G06F3/044

Abstract: A touch detecting method, a touch sensitive device, and a portable electronic apparatus are provided. The touch detecting method comprises: applying a high level signal to one of a first electrode and a second electrode of one induction unit, and grounding the other to charge a self capacitor for a first time; applying high level signals to the first electrode and the second electrode to charge the self capacitor for a second time; detecting from a corresponding first electrode or a corresponding second electrode of the one induction unit to obtain a first detecting variation; grounding the first electrode and the second electrode; detecting from the corresponding first electrode or the corresponding second electrode to obtain a second detecting variation; calculating a ratio between a first resistor and a second resistor; and determining a touch position according to the ratio between the first resistor and the second resistor.

Abstract translation: 提供了一种触摸检测方法，触敏设备和便携式电子设备。 所述触摸检测方法包括：将高电平信号施加到一个感应单元的第一电极和第二电极中的一个，并且将另一个接地，以首次对自身电容器充电; 向第一电极和第二电极施加高电平信号以对第二次充电自身电容器; 从所述一个感应单元的对应的第一电极或对应的第二电极检测以获得第一检测变化; 使第一电极和第二电极接地; 从对应的第一电极或相应的第二电极检测以获得第二检测变化; 计算第一电阻器和第二电阻器之间的比率; 以及根据所述第一电阻器和所述第二电阻器之间的比率确定触摸位置。

公开(公告)号：WO2013013634A1

公开(公告)日：2013-01-31

申请号：PCT/CN2012/079220

申请日：2012-07-26

Applicant: SHENZHEN BYD AUTO R&D COMPANY LIMITED ,  BYD COMPANY LIMITED ,  LI, Zhengang ,  HUANG, Chen ,  YANG, Yun

Inventor： LI, Zhengang ,  HUANG, Chen ,  YANG, Yun

IPC: G06F3/044

CPC classification number: G06F3/044

Abstract: A touch detecting method, a touch sensitive device, and a portable electronic apparatus are provided. The touch detecting method comprises: applying high level signals to the first electrode and/or the second electrode of one induction unit to charge a self capacitor generated by a touch on the one induction unit; grounding the first electrode and the second electrode of the one induction unit respectively; detecting from the first electrode and the second electrode of the one induction unit to obtain a first detecting value and a second detecting value respectively; calculating a ratio between a first resistor between the self capacitor and the first electrode and a second resistor between the self capacitor and the second electrode according to the first detecting value and the second detecting value; and determining a touch position according to the ratio between the first resistor and the second resistor.

Abstract translation: 提供了一种触摸检测方法，触敏设备和便携式电子设备。 触摸检测方法包括：向一个感应单元的第一电极和/或第二电极施加高电平信号以对由一个感应单元上的触摸产生的自身电容器进行充电; 分别对一个感应单元的第一电极和第二电极接地; 从所述一个感应单元的第一电极和第二电极检测以分别获得第一检测值和第二检测值; 根据第一检测值和第二检测值，计算自身电容器和第一电极之间的第一电阻器与自电容器和第二电极之间的第二电阻器的比值; 以及根据所述第一电阻器和所述第二电阻器之间的比率确定触摸位置。

公开(公告)号：WO2014127714A1

公开(公告)日：2014-08-28

申请号：PCT/CN2014/072224

申请日：2014-02-19

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

Inventor： LI, Zhengang ,  HUANG, Chen ,  YANG, Yun

IPC: G06F3/044

CPC classification number: G06F3/044 ,  G06F3/0416

Abstract: A method and an apparatus for detecting a touch on a capacitive touch screen are provided. The method includes: detecting a self-capacitance and a mutual capacitance of the capacitive touch screen in real-time, in which the self-capacitance and the mutual capacitance are detected in a time-sharing mode; determining whether a current self-capacitance changes with respect to a previous self-capacitance and whether a current mutual capacitance changes with respect to a previous mutual capacitance; determining that the capacitive touch screen is touched by a finger when the current self-capacitance changes with respect to the previous self-capacitance and the current mutual capacitance changes with respect to the previous mutual capacitance; determining that the capacitive touch screen is not touched by the finger when the current self-capacitance does not change with respect to the previous self-capacitance.

Abstract translation: 提供一种用于检测电容式触摸屏上的触摸的方法和装置。 该方法包括：实时检测电容式触摸屏的自电容和互电容，其中以电容和互电容在分时模式下被检测; 确定当前的自身电容是否相对于先前的自电容而改变，以及当前互电容是否相对于先前的互电容而改变; 当电流自身电容相对于先前的自电容变化并且电流互电容相对于先前的互电容而改变时，确定电容式触摸屏被手指触摸; 当电流自身电容相对于先前的自电容不变化时，确定电容式触摸屏没有被手指触摸。

公开(公告)号：WO2013013636A1

公开(公告)日：2013-01-31

申请号：PCT/CN2012/079223

申请日：2012-07-26

Applicant: SHENZHEN BYD AUTO R&D COMPANY LIMITED ,  BYD COMPANY LIMITED ,  LI, Zhengang ,  HUANG, Chen ,  YANG, Yun

Inventor： LI, Zhengang ,  HUANG, Chen ,  YANG, Yun

IPC: G06F3/044

CPC classification number: G06F3/044

Abstract: A touch detecting assembly, a touch sensitive device and a portable electronic apparatus are provided. The touch sensitive device comprises a touch detecting assembly (300) and a control chip (400). The touch detecting assembly (300) comprises a substrate (100); and a plurality of induction units (200) disposed on the substrate (100) and not intersecting with each other. Each induction unit (200) comprises: a first part (230); and a second part (240) and a third part (250) not intersecting with each other. One end of the second part (240) is connected with one end of the first part (230), one end of the third part (250) is connected with the other end of the first part (230), the other end of the second part (240) comprises a first electrode (210), and the other end of the third part (250) comprises a second electrode (220).

Abstract translation: 提供了触摸检测组件，触敏设备和便携式电子设备。 触敏装置包括触摸检测组件（300）和控制芯片（400）。 触摸检测组件（300）包括衬底（100）; 以及设置在所述基板（100）上并且彼此不相交的多个感应单元（200）。 每个感应单元（200）包括：第一部分（230）; 以及彼此不相交的第二部分（240）和第三部分（250）。 第二部分（240）的一端与第一部分（230）的一端连接，第三部分（250）的一端与第一部分（230）的另一端连接，另一端 第二部分（240）包括第一电极（210），并且第三部分（250）的另一端包括第二电极（220）。

公开(公告)号：WO2013013627A1

公开(公告)日：2013-01-31

申请号：PCT/CN2012/079192

申请日：2012-07-26

Applicant: SHENZHEN BYD AUTO R&D COMPANY LIMITED ,  BYD COMPANY LIMITED ,  LI, Zhengang ,  HUANG, Chen ,  YANG, Yun

Inventor： LI, Zhengang ,  HUANG, Chen ,  YANG, Yun

IPC: G06F3/044

CPC classification number: G06F3/044

Abstract: A touch detecting assembly, a touch sensitive device, and a portable electronic apparatus are provided. The touch detecting assembly (100) comprises: a substrate (1); and a plurality of induction units (2) disposed on the substrate (1) and not intersecting with each other, each induction unit (2) comprising an induction body (20), and a first electrode (21) and a second electrode (22) connected with the induction body (20) respectively. Each induction body (20) has a rectangular shape with a plurality of empty parts (24), the plurality of empty parts (24) are arranged in a predetermined pattern to define a current passage (25) which extends between a first end and a second end of the induction body (20), and a cross-sectional area of the current passage (25) in a plane orthogonal to an extending direction of the current passage (25) is smaller than that of the induction body (25) in the plane.

Abstract translation: 提供了触摸检测组件，触敏设备和便携式电子设备。 触摸检测组件（100）包括：基板（1）; 以及设置在所述基板（1）上并且彼此不相交的多个感应单元（2），每个感应单元（2）包括感应体（20），以及第一电极（21）和第二电极 ）分别与感应体（20）连接。 每个感应体（20）具有多个空的部分（24）的矩形形状，多个空的部分（24）以预定的图案布置，以限定一个电流通道（25），其在第一端和 感应体（20）的第二端，与当前通路（25）的延伸方向正交的平面中的电流通路（25）的截面积小于导入体（25）的截面面积 飞机。