公开(公告)号：WO2013013625A1

公开(公告)日：2013-01-31

申请号：PCT/CN2012/079186

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), and 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) in a curve, so that a length of the current passage (25) in an extending direction of the current passage (25) is larger than a length of the induction body (20).

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）具有矩形形状，具有多个空的部分（24），并且多个空的部分（24）以预定的图案布置以限定电流通道（25），其在第一端和 感应体（20）的第二端处于弯曲状态，使得电流通路（25）在电流通路（25）的延伸方向上的长度大于感应体（20）的长度。

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

Applicant: BYD COMPANY LIMITED

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

IPC: G06K9/00

CPC classification number: G06K9/0002 ,  G06K9/001

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 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.

Abstract translation: 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。

公开(公告)号：WO2013013635A1

公开(公告)日：2013-01-31

申请号：PCT/CN2012/079221

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), in which one end of the first part (230) comprises a first electrode (210); and a second part (240), in which one end of the second part (240) is connected with the other end of the first part (230), and the other end of the second part (240) comprises a second electrode (220). The first electrodes (210) and the second electrodes (220) of the plurality of induction units (200) are connected with corresponding pins of the control chip (400).

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），其中第一部分（230）的一端包括第一电极（210）; 和第二部分（240），其中第二部分（240）的一端与第一部分（230）的另一端连接，并且第二部分（240）的另一端包括第二电极（220） ）。 多个感应单元（200）中的第一电极（210）和第二电极（220）与控制芯片（400）的相应引脚连接。

公开(公告)号：WO2013013633A1

公开(公告)日：2013-01-31

申请号：PCT/CN2012/079219

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 ,  G06F3/041

CPC classification number: G06F3/044 ,  G06F3/0416 ,  G06F2203/04112

Abstract: An induction unit, a touch detecting assembly, and a touch sensitive device are provided. The touch sensitive device comprises: a substrate (100); a plurality of induction units (200) not intersecting with each other, and a detecting module (300) connected with the first electrodes (210) and the second electrodes (220) respectively. The induction unit (200) comprises a first electrode (210), a second electrode (220), a plurality of first structures (230) and a plurality of second structures (240). The plurality of first structures (230) are connected end to end via the plurality of second structures (240). The detecting module (300) is configured to apply 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, and to determine a touch position in a first direction and a touch position in a second direction.

Abstract translation: 提供感应单元，触摸检测组件和触敏设备。 触敏装置包括：基板（100）; 多个彼此不相交的感应单元（200），以及分别与第一电极（210）和第二电极（220）连接的检测模块（300）。 感应单元（200）包括第一电极（210），第二电极（220），多个第一结构（230）和多个第二结构（240）。 多个第一结构（230）经由多个第二结构（240）端对端地连接。 检测模块（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，以计算第一电阻器和第二电阻器之间的比率，并且 确定在第一方向上的触摸位置和在第二方向上的触摸位置。

公开(公告)号：WO2013013624A1

公开(公告)日：2013-01-31

申请号：PCT/CN2012/079182

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 plurality of empty parts (24), and the plurality of empty parts (24) are arranged in a predetermined pattern to define a current passage (25) for increasing a resistance between the first electrode (21) and the second electrode (22).

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），并且多个空的部分（24）以预定的图案布置以限定一个电流通道（25），用于增加第一电极（21）和第二电极 和第二电极（22）。

公开(公告)号：EP3256987A1

公开(公告)日：2017-12-20

申请号：EP16748538.2

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 is configured to apply an excitation signal to a finger so as to generate a finger capacitor, and the fingerprint detection circuit includes: 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.

公开(公告)号：EP3258415A1

公开(公告)日：2017-12-20

申请号：EP16748535.8

申请日：2016-01-05

Applicant: BYD Company Limited

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

IPC: G06K9/00

CPC classification number: G06K9/0008 ,  G06K9/00 ,  G06K9/00013 ,  G06K9/001 ,  G06T3/4038

Abstract: The present disclosure provides a fingerprint identification method and apparatus. The fingerprint identification method includes obtaining a to-be-identified fingerprint image and extracting first characteristic points of the to-be-identified fingerprint image; determining whether a number of the first characteristic points of the to-be-identified fingerprint image is less than a predetermined threshold; when the number of the first characteristic points of the to-be-identified fingerprint image is less than the predetermined threshold, selecting a fingerprint template image according to the number of the first characteristic points; extracting second characteristic points in the fingerprint template image matching with the first characteristic points of the to-be-identified fingerprint image; overlapping the fingerprint template image with the to-be-identified fingerprint image according to the first characteristic points of the to-be-identified fingerprint image and the second characteristic points of the fingerprint template image to form an overlapped image; determining a valid coincidence region between the to-be-identified fingerprint image and the fingerprint template image in the overlapped image; and determining whether the to-be-identified fingerprint image matches the fingerprint template image according to the valid coincidence region to generate a matching result and performing fingerprint identification based on the matching result. According to the disclosed method, fingerprint identification with less characteristic points can be realized, thus improving the success rate of the fingerprint identification, and reducing the identification error rate.

Abstract translation: 本公开提供了一种指纹识别方法和装置。 该指纹识别方法包括：获取待识别指纹图像并提取该待识别指纹图像的第一特征点; 判断待识别指纹图像的第一特征点的数量是否小于预定阈值; 当所述待识别指纹图像的第一特征点的数量小于所述预定阈值时，根据所述第一特征点的数量选择指纹模板图像; 提取与所述待识别指纹图像的第一特征点匹配的指纹模板图像中的第二特征点; 根据待识别指纹图像的第一特征点与指纹模板图像的第二特征点，将指纹模板图像与待识别指纹图像重叠形成重叠图像; 确定所述待识别指纹图像与所述重叠图像中的所述指纹模板图像之间的有效重合区域; 根据所述有效符合区域判断所述待识别指纹图像是否与所述指纹模板图像匹配，生成匹配结果，并根据匹配结果进行指纹识别。 根据所公开的方法，可以实现特征点较少的指纹识别，提高了指纹识别的成功率，降低了识别错误率。

公开(公告)号：EP3256986A1

公开(公告)日：2017-12-20

申请号：EP16748534.1

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 ,  G06K9/001

Abstract: A fingerprint detection circuit and an electronic device are provided. The fingerprint detection circuit is configured to apply an excitation signal to a finger so as to generate finger capacitors, and the fingerprint detection circuit includes: 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 the 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 the one of the finger capacitors.

公开(公告)号：EP3308324A1

公开(公告)日：2018-04-18

申请号：EP16806838.5

申请日：2016-06-08

Applicant: BYD Company Limited

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

IPC: G06K9/00

CPC classification number: G01B7/28 ,  G06K9/0002

Abstract: The present disclosure provides a method and an apparatus for adjusting an excitation voltage of a fingerprint detection chip and a fingerprint detection chip. The method for adjusting an excitation voltage of a fingerprint detection chip includes: S1, transmitting an excitation signal to the metal ring by the signal transmitting unit, so as to detect a capacitance value of a coupling capacitance formed between the plurality of detection units in the second detection area and the metal ring; or enabling the metal ring grounded, and applying an excitation signal to the plurality of detection units in the second detection area by the signal transmitting unit, so as to detect a capacitance value of a coupling capacitance formed between the plurality of detection units in the second detection area and the metal ring; and S2, adjusting an excitation voltage of the first detection area according to the capacitance value of the coupling capacitance formed between the plurality of detection units in the second detection area and the metal ring.

公开(公告)号：EP3256988A1

公开(公告)日：2017-12-20

申请号：EP16748539.0

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: The present disclosure provides a fingerprint detection circuit and method. The circuit includes a fingerprint collecting module and a processing module. The fingerprint collecting module includes a plurality of collecting units, and each collecting unit 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 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 adjusts at least one parameter, and configures the fingerprint detection circuit using at least one adjusted parameter.