公开(公告)号：US20240333288A1

公开(公告)日：2024-10-03

申请号：US18291259

申请日：2022-07-21

Applicant: GOERTEK INC.

Inventor： Lei CHEN

IPC: H03K17/96

CPC classification number: H03K17/96

Abstract: The present disclosure provides a key detection method and system, the method comprises: collecting voltage values of a key during a period from pressing to releasing according to a predetermined frequency, to obtain a voltage data set corresponding to the key; performing a curve fitting on the voltage values in the voltage data set and time to obtain a first fitting curve; obtaining a time set in which a derivative of the first fitting curve is zero, and comparing the time set with a first predetermined set to obtain a first comparison result; obtaining a positive and negative derivative set of each element in the time set within a predetermined range based on the first comparison result, and comparing it with a second predetermined set to obtain a second comparison result; determining current state information of the key based on the first comparison result and the second comparison result.

公开(公告)号：US20230269515A1

公开(公告)日：2023-08-24

申请号：US18041047

申请日：2020-12-16

Applicant: GOERTEK INC.

Inventor： Lei CHEN ,  Shaoqian ZHANG ,  Bin JIANG ,  Xiaoyu CHI

IPC: H04R1/10 ,  G01S13/06

CPC classification number: H04R1/1041 ,  G01S13/06

Abstract: A method and device for adjusting a position of an earphone, equipment and storage medium are disclosed. The earphone is provided with a TOF sensor. The method comprises: acquiring position information of an ear using the TOF sensor, wherein the position information of the ear includes positions of points describing the ear in morphology; determining a position of a center point of an ear canal of the ear according to the position information of the ear; acquiring a position of a center point of the earphone; and outputting an adjustment vector of the position of the earphone according to the position of the center point of the ear canal and the position of the center point of the earphone.