US 11,943,008 B2
NFC charging
Chia Hao Chen, Taipei (TW); and Nicolas Cordier, Aix-en-Provence (FR)
Assigned to STMICROELECTRONICS LTD, Kowloon (HK); and STMICROELECTRONICS (ROUSSET) SAS, Rousset (FR)
Filed by STMICROELECTRONICS LTD, Kowloon (HK); and STMICROELECTRONICS (ROUSSET) SAS, Rousset (FR)
Filed on Jan. 12, 2023, as Appl. No. 18/153,958.
Application 18/153,958 is a continuation of application No. 17/475,211, filed on Sep. 14, 2021, granted, now 11,588,519.
Claims priority of application No. 2009452 (FR), filed on Sep. 18, 2020.
Prior Publication US 2023/0170938 A1, Jun. 1, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. H04B 5/00 (2006.01); H02J 50/10 (2016.01); H02J 50/80 (2016.01); H02J 50/90 (2016.01)
CPC H04B 5/0037 (2013.01) [H02J 50/10 (2016.02); H02J 50/80 (2016.02); H02J 50/90 (2016.02); H04B 5/0031 (2013.01); H04B 5/0081 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A method, comprising:
emitting, with a first near field communication (NFC) antenna of a mobile electronic device, an NFC field;
determining an NFC field strength;
determining, a range of values of a plurality of ranges of values in which the NFC field strength is within; and
emitting, by the mobile electronic device, at least one notification signal with a frequency corresponding to the determined range of values.