公开(公告)号：US20210022489A1

公开(公告)日：2021-01-28

申请号：US17065865

申请日：2020-10-08

Applicant: PixArt Imaging Inc.

Inventor： CHIH-MING SUN ,  MING SHUN MANSON FEI ,  YI-HSIEN KO

IPC: A46B15/00 ,  A61C17/22 ,  G01L1/14

Abstract: There is provided an electric toothbrush including a toothbrush head, a toothbrush handle and a force sensing array. The force sensing array is arranged on the toothbrush head and/or the toothbrush handle. When the force sensing array is arranged on the toothbrush head, it is able to detect the force uniformity of brush hairs. When the force sensing array is arranged on the toothbrush handle, it is able to control the vibration strength of the brush hairs and detect the pressing force of the brush hairs.

公开(公告)号：US20200351586A1

公开(公告)日：2020-11-05

申请号：US16814229

申请日：2020-03-10

Applicant: PixArt Imaging Inc.

Inventor： MING SHUN MANSON FEI ,  YI-HSIEN KO

IPC: H04R3/12 ,  H04R27/00 ,  H04R29/00 ,  H04R1/40 ,  H04R3/00 ,  G06F3/16

Abstract: There is provided a smart audio system including multiple audio devices and a central server. The central server confirms a model of every audio device and a position thereof in an operation area in a scan mode. The central server confirms a user position or a user state to accordingly control output power of a speaker of each of the multiple audio devices in an operation mode.