公开(公告)号：US11864071B2

公开(公告)日：2024-01-02

申请号：US17128375

申请日：2020-12-21

Applicant: Quanta Computer Inc.

Inventor： Yan-Cheng Chang ,  Po-Shan Kao ,  Cheng-Yang Tseng ,  Jia-Yang Tsao

IPC: H04W4/33 ,  H04W4/38 ,  G01C21/20

CPC classification number: H04W4/33 ,  G01C21/206 ,  H04W4/38

Abstract: An electronic device includes an indoor positioning tag and an indoor positioner. The indoor positioning tag includes a gravity sensor. The indoor positioning tag determines whether to start to transmit a wireless signal according to the acceleration magnitude, the acceleration direction, and the duration of acceleration change detected by the gravity sensor, and adjusts the frequency of the transmission interval of the wireless signal.