公开(公告)号：US11995246B2

公开(公告)日：2024-05-28

申请号：US18167949

申请日：2023-02-13

Applicant: Fortemedia, Inc.

Inventor： Yu-Xuan Xu ,  Ching-Lung Chan ,  Shih-Chung Wang ,  Yen-Son Paul Huang ,  Shih-Chin Gong

IPC: G06F3/16 ,  G06F3/01

CPC classification number: G06F3/017 ,  G06F3/167

Abstract: A method for touchless gesture recognition is provided. The method includes transmitting ultrasonic signals via a speaker. The method includes generating ultrasonic signals. The method includes receiving the reflected ultrasonic signals from an object via two or more microphones. The method includes computing a frequency shift according to the reflected ultrasonic signals. The method includes identifying a gesture that corresponds to a movement of the object according to the frequency shift. The method includes performing a function that corresponds to the gesture.