US 12,119,677 B2
State of charge information for a wireless power transmitting device
Zaid A. AbuKhalaf, Sunnyvale, CA (US); and Alexei E. Kosut, Campbell, CA (US)
Assigned to Apple Inc., Cupertino, CA (US)
Filed by Apple Inc., Cupertino, CA (US)
Filed on Sep. 8, 2023, as Appl. No. 18/463,932.
Application 18/463,932 is a continuation of application No. 17/100,598, filed on Nov. 20, 2020, granted, now 11,824,375.
Claims priority of provisional application 63/047,797, filed on Jul. 2, 2020.
Claims priority of provisional application 63/047,779, filed on Jul. 2, 2020.
Prior Publication US 2023/0420999 A1, Dec. 28, 2023
Int. Cl. H02J 50/80 (2016.01); H02J 7/00 (2006.01); H02J 50/10 (2016.01); H02J 50/40 (2016.01)
CPC H02J 50/80 (2016.02) [H02J 7/0048 (2020.01); H02J 7/007182 (2020.01); H02J 50/10 (2016.02); H02J 50/40 (2016.02)] 20 Claims
OG exemplary drawing
 
1. Control circuitry for an electronic device with a wireless power coil, wherein the electronic device is operable in a wireless charging system with an additional electronic device and wherein the control circuitry is configured to:
using the wireless power coil, transmit information to the additional electronic device that identifies the presence of a battery of the electronic device;
using the wireless power coil and while transmitting wireless power signals to an additional wireless power coil in the additional electronic device, receive a state of charge query from the additional electronic device; and
responsive to receiving the state of charge query from the additional electronic device, transmit a state of charge of the battery to the additional electronic device using the wireless power coil.