公开(公告)号：US20210132730A1

公开(公告)日：2021-05-06

申请号：US17014761

申请日：2020-09-08

Applicant: SHENZHEN GOODIX TECHNOLOGY CO., LTD.

Inventor： Haiquan HUANG ,  Xu LU

IPC: G06F3/041 ,  G06F3/044 ,  G06F1/16

Abstract: The present application provides a method for device cover opening and closing detection, which could effectively detect a cover opening and closing state of a device. The method is executed by a touch controller in a touch pad of an electronic device, and the method includes: obtaining a detecting signal output by an output channel of the touch pad; and determining whether a cover opening and closing state of the electronic device varies according to a variation situation of the detecting signal.

公开(公告)号：US20220214790A1

公开(公告)日：2022-07-07

申请号：US17483735

申请日：2021-09-23

Applicant: Shenzhen Goodix Technology Co., Ltd.

Inventor： Rong ZHANG ,  Zhongbo LUO ,  Xiaoxia YAN ,  Xu LU

IPC: G06F3/041 ,  G06F3/01

Abstract: A touchpad and an electronic device are disclosed. The touchpad includes a touch panel; a plurality of pressure sensors fixed to an elastic bracket and configured to detect a pressure applied on the touch panel; a piezoelectric ceramic assembly including a piezoelectric ceramic plate configured to provide a vibration feedback to a user, where the piezoelectric ceramic assembly is fixed below the touch panel in a suspended manner and spaced from the elastic bracket.