公开(公告)号：US20180356935A1

公开(公告)日：2018-12-13

申请号：US16047568

申请日：2018-07-27

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Guanghua ZHONG ,  Shuxin GOU ,  Jisong HUANG

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/0416 ,  G06F3/041 ,  G06F3/044 ,  G06F2203/04104

Abstract: Embodiments of the present invention disclose a touchscreen touch point positioning method and apparatus, and a terminal device, so that scanning time can be effectively shortened, and a point report rate is improved. The method includes: for each target sub-area in a target area, performing, by a touchscreen controller, parallel scanning on horizontal channels in the target sub-area, and determining a target sub-area in which a touch point exists; determining whether the sub-area in which the touch point exists can be divided; if it can be divided, designating the target sub-area in which the touch point exists as a new target area, and repeatedly performing the foregoing operations until a target sub-area in which the touch point exists cannot be divided; determining a horizontal coordinate of the touch point; and determining a vertical coordinate corresponding to the touch point according to vertical channels that receive horizontal channel signals in parallel.