Invention Grant
- Patent Title: Method, apparatus and system for pressure detection, touch-control chip and electronic device
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Application No.: US17112622Application Date: 2020-12-04
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Publication No.: US11237674B2Publication Date: 2022-02-01
- Inventor: Qiquan Liang
- Applicant: SHENZHEN GOODIX TECHNOLOGY CO., LTD.
- Applicant Address: CN Shenzhen
- Assignee: SHENZHEN GOODIX TECHNOLOGY CO., LTD.
- Current Assignee: SHENZHEN GOODIX TECHNOLOGY CO., LTD.
- Current Assignee Address: CN Shenzhen
- Main IPC: G06F3/03
- IPC: G06F3/03 ; G06F3/044 ; G06F3/041

Abstract:
A method for pressure detection is provided, which can avoid a delayed display of a writing pressure generated by the active pen on the screen. The active pen includes a first electrode, a second electrode and a pressure sensor, where the first electrode is configured to output a first driving signal, the second electrode is configured to output a second driving signal when the pressure sensor detects a first pressure generated by the active pen. The method includes: when information of the first pressure is not received, determining whether the active pen is pressing the screen according to the second detecting signal; if it is determined that the active pen is pressing the screen, displaying handwriting of the active pen on the screen according to a second pressure, where the second pressure is a preset pressure.
Public/Granted literature
- US20210157444A1 METHOD, APPARATUS AND SYSTEM FOR PRESSURE DETECTION, TOUCH-CONTROL CHIP AND ELECTRONIC DEVICE Public/Granted day:2021-05-27
Information query