US 12,308,671 B2
Wireless power system with communications
Parin Patel, San Jose, CA (US); Daniel P. Kumar, Fremont, CA (US); and Andrew C. Chang, Sunnyvale, CA (US)
Filed by Apple Inc., Cupertino, CA (US)
Filed on Sep. 28, 2021, as Appl. No. 17/487,975.
Application 17/409,378 is a division of application No. 17/028,404, filed on Sep. 22, 2020, granted, now 11,121,590, issued on Sep. 14, 2021.
Application 17/487,975 is a continuation of application No. 17/409,378, filed on Aug. 23, 2021.
Claims priority of provisional application 63/075,035, filed on Sep. 4, 2020.
Prior Publication US 2022/0077724 A1, Mar. 10, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. H02J 50/90 (2016.01); G06K 7/10 (2006.01); G06K 19/07 (2006.01); H01Q 7/00 (2006.01); H02J 7/00 (2006.01); H02J 7/02 (2016.01); H02J 50/12 (2016.01); H02J 50/60 (2016.01); H02J 50/80 (2016.01); H04B 5/79 (2024.01); H04W 12/06 (2021.01)
CPC H02J 50/90 (2016.02) [G06K 7/10297 (2013.01); G06K 19/0723 (2013.01); H01Q 7/00 (2013.01); H02J 7/00045 (2020.01); H02J 7/0047 (2013.01); H02J 7/02 (2013.01); H02J 50/12 (2016.02); H02J 50/60 (2016.02); H02J 50/80 (2016.02); H04B 5/79 (2024.01); H04W 12/06 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An electronic device operable with a power transmitting device and operable with an external accessory, comprising:
a wireless charging coil configured to receive wireless power from the power transmitting device;
a magnetic structure configured to:
magnetically couple with a corresponding magnetic structure in the power transmitting device to align the wireless charging coil with a wireless power transmitting coil in the power transmitting device, and
magnetically couple with a corresponding magnetic structure in the external accessory;
a magnetometer configured to detect detachment of the external accessory from the electronic device; and
a display configured to present information about the detected detachment of the external accessory from the electronic device.