公开(公告)号：US20230375419A1

公开(公告)日：2023-11-23

申请号：US18230173

申请日：2023-08-04

Applicant: PixArt Imaging Inc.

Inventor： YEN-PO CHEN ,  HAO-CHE LIU ,  YEN-CHANG CHU ,  CHIH-MING SUN

IPC: G01L1/14 ,  H05K1/11 ,  H05K1/03

CPC classification number: G01L1/144 ,  H05K1/118 ,  H05K1/0393 ,  H05K2201/10151

Abstract: There is provided a force sensor including a substrate and a polymer material layer. The substrate has a circuit layout that includes a first electrode and a second electrode configured to form a capacitor therebetween. The polymer material layer covers at least on a space between the first electrode and the second electrode, and is used to change capacitance of the capacitor while being pressed. The force sensor is arranged inside a stem of an earphone for detecting the user input.

公开(公告)号：US20210239544A1

公开(公告)日：2021-08-05

申请号：US17235664

申请日：2021-04-20

Applicant: PixArt Imaging Inc.

Inventor： YEN-PO CHEN ,  HAO-CHE LIU ,  YEN-CHANG CHU ,  CHIH-MING SUN

IPC: G01L1/14 ,  H05K1/11 ,  H05K1/03

Abstract: There is provided a force sensor including a substrate and a polymer material layer. The substrate has a circuit layout that includes a first electrode and a second electrode configured to form a capacitor therebetween. The polymer material layer covers at least on a space between the first electrode and the second electrode, and is used to change capacitance of the capacitor while being pressed. The force sensor is arranged inside a stem of an earphone for detecting the user input.