公开(公告)号：US11943008B2

公开(公告)日：2024-03-26

申请号：US18153958

申请日：2023-01-12

Applicant: STMICROELECTRONICS LTD ,  STMICROELECTRONICS (ROUSSET) SAS

Inventor： Chia Hao Chen ,  Nicolas Cordier

IPC: H04B5/00 ,  H02J50/10 ,  H02J50/80 ,  H02J50/90

CPC classification number: H04B5/0037 ,  H02J50/10 ,  H02J50/80 ,  H02J50/90 ,  H04B5/0031 ,  H04B5/0081

Abstract: The present disclosure relates to a method for aligning a smartphone providing NFC wireless power for charging a battery of a device, the method comprising: emitting, with a first NFC antenna of the smartphone, an NFC field for wirelessly charging the battery of the device comprising a second NFC antenna; obtaining, with the smartphone, a measured value of a signal representative of the NFC field strength between the smartphone and the device; determining, by the smartphone, a range of values of a plurality of ranges of values the measured value belongs; and emitting, by the smartphone, at least one notification signal to a user with a frequency determined by the determined range of values.

公开(公告)号：US11588519B2

公开(公告)日：2023-02-21

申请号：US17475211

申请日：2021-09-14

Applicant: STMICROELECTRONICS LTD ,  STMICROELECTRONICS (ROUSSET) SAS

Inventor： Chia Hao Chen ,  Nicolas Cordier

IPC: H04B5/00 ,  H02J50/10 ,  H02J50/80 ,  H02J50/90

Abstract: The present disclosure relates to a method for aligning a smartphone providing NFC wireless power for charging a battery of a device, the method comprising: emitting, with a first NFC antenna of the smartphone, an NFC field for wirelessly charging the battery of the device comprising a second NFC antenna; obtaining, with the smartphone, a measured value of a signal representative of the NFC field strength between the smartphone and the device; determining, by the smartphone, a range of values of a plurality of ranges of values the measured value belongs; and emitting, by the smartphone, at least one notification signal to a user with a frequency determined by the determined range of values.