公开(公告)号：WO2011035722A1

公开(公告)日：2011-03-31

申请号：PCT/CN2010/077238

申请日：2010-09-21

Applicant: BYD COMPANY LIMITED ,  LI, Lei ,  HE, Bangjun ,  YANG, Yun

Inventor： LI, Lei ,  HE, Bangjun ,  YANG, Yun

IPC: G06F3/041

CPC classification number: G06F3/0416 ,  G06F3/04883

Abstract: A method for identifying action on a touch device is provided, comprising the steps of: detecting a first land of an object on a touch device; and generating a single click signal if a first time duration of the first land of the object on the touch screen is no less than a first reference time and no more than a second reference time and no second land of the object is detected in a fourth reference time after the first leave of the object from the touch device. Further, an action identifying device for a touch device is also provided.

Abstract translation: 提供了一种用于识别触摸设备上的动作的方法，包括以下步骤：在触摸设备上检测对象的第一平台; 以及如果所述对象在所述触摸屏上的所述第一平台的第一持续时间不小于第一参考时间并且不大于第二参考时间并且在所述第四参考时间中没有检测到所述对象的第二平面，则生成单击信号 从触摸设备首次离开物体后的参考时间。 此外，还提供了一种用于触摸装置的动作识别装置。

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：EP2691839A1

公开(公告)日：2014-02-05

申请号：EP12763932.6

申请日：2012-02-15

Applicant: Shenzhen BYD Auto R&D Company Limited ,  BYD Company Limited

Inventor： CAI, Tiejun ,  YI, Lianfang ,  CHEN, Guilan ,  HE, Bangjun ,  YANG, Yun

IPC: G06F3/041

CPC classification number: G06F3/04883 ,  G06F3/0416 ,  G06F2203/04808

Abstract: A method of identifying a translation gesture and a device using the same are provided. The method may comprise: detecting one or more induction signals induced by one or more pointing objects that come into contact with a touch-sensitive surface in at least one direction; determining the number of the pointing objects that come into contact with the touch-sensitive surface; recording a touch status and a movement track of each pointing object if the number of the pointing objects is larger than a predetermined number; determining whether the pointing objects move in a same direction according to the touch status and the movement track of each pointing object; and determining that the pointing objects perform a translation gesture if the pointing objects move in the same direction.

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：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：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：EP2691841A1

公开(公告)日：2014-02-05

申请号：EP12763399.8

申请日：2012-01-10

Applicant: Shenzhen BYD Auto R&D Company Limited ,  BYD Company Limited

Inventor： CAI, Tiejun ,  YI, Lianfang ,  CHEN, Zhibin ,  HE, Bangjun ,  YANG, Yun

IPC: G06F3/045

CPC classification number: G06F3/0416 ,  G06F3/04883 ,  G06F2203/04806

Abstract: A method of identifying a scaling gesture comprising: detecting in at least one direction one or more induction signals induced by one or more pointing objects that come into contact with a touch-sensitive surface; determining a number of the pointing object; determining whether the pointing objects perform the scaling gesture if the number of the pointing object is more than one; and generating a control signal associated with the determined scaling gesture if the pointing objects perform a scaling gesture.

公开(公告)号：EP2691838A1

公开(公告)日：2014-02-05

申请号：EP11861933.7

申请日：2011-10-10

Applicant: Shenzhen BYD Auto R&D Company Limited ,  BYD Company Limited

Inventor： YI, Lianfang ,  CAI, Tiejun ,  ZENG, Xianwu ,  HE, Bangjun ,  YANG, Yun

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/04883 ,  G06F2203/04808

Abstract: A method of identifying a multi-touch rotation gesture and a device using the same are provided. The method may comprise: detecting an induction signal caused by at least one object in at least one direction; determining the number of the object according to the induction signal; if the number of the object is more than one, determining whether the object operates a rotation gesture; and if the object operates a rotation gesture, outputting a controlling signal and executing a controlling operation according the controlling signal.

公开(公告)号：EP4546499A1

公开(公告)日：2025-04-30

申请号：EP23829520.8

申请日：2023-03-22

Applicant: BYD Company Limited

Inventor： XIE, Xike ,  LI, Jie ,  LI, Qifeng ,  YANG, Yun

IPC: H01M10/42 ,  H01M10/48 ,  G01R31/36

Abstract: A vehicle, includes a battery management chip and a battery management system. The battery management chip comprises a battery cell data sampling module, a data processing module, a first communication module and a first power source module. The battery cell data sampling module is used for acquiring battery cell data of a battery cell; the data processing module is connected to the battery cell data sampling module, and is used for processing the battery cell data; the first communication module is connected to the data processing module, and is used for sending the processed battery cell data to a control module; and the first power source module is connected to the battery cell and the data processing module, and is used for receiving an initial voltage outputted by the battery cell, and performing boost processing on the initial voltage, so as to provide an operating voltage for the data processing module.

公开(公告)号：EP3264361A1

公开(公告)日：2018-01-03

申请号：EP16748536.6

申请日：2016-01-05

Applicant: BYD Company Limited

Inventor： ZHENG, Li ,  XU, Kunping ,  YANG, Yun

IPC: G06T7/00

CPC classification number: G06K9/0008 ,  G01B11/14 ,  G06T5/002 ,  G06T7/13 ,  G06T7/60 ,  G06T7/73 ,  G06T2207/20021 ,  G06T2207/30196

Abstract: The present disclosure discloses a method and device for calculating a line distance. The method includes: obtaining an original image and performing grayscale processing to generate a grayscale image; generating a radical image and a tangential image according to the grayscale image; performing filtering on the grayscale image according to the tangential image to generate a smoothened image and converting the smoothened image into a binary image; dividing the binary image into blocks and determining a radical direction of a center point of each block according to the radical image; traversing pixels in the radical direction of the center point of each block to calculate a number of times pixel values of two adjacent pixels within the each block change between a first pixel value and a second pixel value, and to calculate a coordinate and sub-pixel value of a boundary point corresponding to a changing-point; and generating the line distance according to the number of times of the change, and the coordinate and the sub-pixel value of the boundary point corresponding to the changing-point. The method seeks the boundary point of the fingerprint ridge lines and the fingerprint valley lines and calculates the line distance according to the coordinates and the sub-pixel value of the boundary point, improving accuracy, strengthening the ability to resist noise.

Abstract translation: 本公开公开了一种计算行距的方法和装置。 该方法包括：获取原始图像并进行灰度处理生成灰度图像; 根据灰度图像生成基础图像和切向图像; 根据所述切向图像对所述灰度图像执行滤波以生成平滑图像并将所述平滑图像转换为二值图像; 将所述二值图像分块，根据所述径向图确定各个块的中心点的径向方向; 遍历每个块的中心点的自由基方向上的像素，以计算每个块内的两个相邻像素的像素值在第一像素值和第二像素值之间改变的次数，并且计算坐标和子像素 与变化点对应的边界点的值; 根据所述变化次数以及与所述变化点对应的边界点的坐标和子像素值生成所述线距离。 该方法通过寻找指纹棱线和指纹谷线的边界点，根据边界点的坐标和子像素值计算出行距，提高了准确性，增强了抵抗噪声的能力。