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751 条记录 (耗时 0.023 秒)

    DYNAMIC AMPLIFYING CIRCUIT
    1.
    发明公开
    DYNAMIC AMPLIFYING CIRCUIT 审中-公开

    公开(公告)号：EP3477863A1

    公开(公告)日：2019-05-01

    申请号：EP17905899.5

    申请日：2017-08-30

    申请人： Shenzhen Goodix Technology Co., Ltd. ,  Shenzhen Goodix Technology Co., Ltd.

    发明人： FAN, Shuo

    IPC分类号： H03K17/687

    摘要： A dynamic amplification circuit capable of providing a stable gain includes a first drive circuit (310) for generating a first driving voltage according to a first control signal and a first driving current; a second drive circuit (320), configured to generate a first driving signal according to the first driving voltage and a second driving voltage; a third drive circuit (330), configured to generate a second control signal according to the first control signal and the first driving signal; and a dynamic amplifier DA (340) including a first branch (101) and a second branch (102), where the first branch (101) includes a first capacitor (120), the second branch (102) includes a second capacitor, and the first branch (101) and the second branch (102) are connected by a first resistor (150) and a second resistor (160), and the dynamic amplifier DA (340) is configured to control an operation state of the dynamic amplifier DA (340) through the first control signal and the second control signal, where a duration of the dynamic amplifier DA (340) in an amplification phase is proportional to a product of a resistance value of the first resistor (150) and a capacitance value of the first capacitor (120).

    METHOD FOR DETECTING FOLDING ANGLE OF FOLDABLE SCREEN, TOUCH CHIP, AND TOUCH PANEL
    8.
    发明公开
    METHOD FOR DETECTING FOLDING ANGLE OF FOLDABLE SCREEN, TOUCH CHIP, AND TOUCH PANEL 审中-实审

    公开(公告)号：EP4369147A1

    公开(公告)日：2024-05-15

    申请号：EP23208557.1

    申请日：2023-11-08

    申请人： Shenzhen Goodix Technology Co., Ltd.

    发明人： DENG, Qinghuang ,  FANG, Jun ,  WU, Guang

    IPC分类号： G06F1/16

    CPC分类号： G06F1/1652 ,  G06F1/1641 ,  G06F1/1677 ,  G06F1/1643 ,  G06F2203/0410220130101

    摘要： The present disclosure provides a method for detecting a folding angle of a foldable screen, a touch chip, a touch panel, and an electronic device, thereby effectively detecting a folding angle of a foldable screen of the electronic device. The method includes: acquiring detection data of a particular detection channel in a touch panel, where the touch panel includes a bending region extending along a first direction and a non-bending region distributed on both sides of the bending region along a second direction, the second direction is perpendicular to the first direction, and the particular detection channel is a first detection channel that is closest to the bending region or is located within the bending region among a plurality of first detection channels parallel to the first direction; and determining the folding angle of the foldable screen according to the detection data of the particular detection channel.