US 12,272,482 B2
Grounded ferrite in wireless power systems
Alin Theodor Iacob, Sunnyvale, CA (US)
Assigned to APPLE INC., Cupertino, CA (US)
Filed by APPLE INC., Cupertino, CA (US)
Filed on Dec. 6, 2022, as Appl. No. 18/075,727.
Application 18/075,727 is a continuation of application No. 16/593,139, filed on Oct. 4, 2019, granted, now 11,527,348.
Claims priority of provisional application 62/783,577, filed on Dec. 21, 2018.
Prior Publication US 2023/0103141 A1, Mar. 30, 2023
Int. Cl. H02J 50/10 (2016.01); H01F 27/24 (2006.01); H01F 27/28 (2006.01); H01F 27/36 (2006.01); H01F 38/14 (2006.01); H02J 50/00 (2016.01); H02J 50/70 (2016.01)
CPC H01F 27/24 (2013.01) [H01F 27/2885 (2013.01); H01F 27/36 (2013.01); H01F 38/14 (2013.01); H02J 50/005 (2020.01); H02J 50/70 (2016.02); H02J 50/10 (2016.02)] 20 Claims
OG exemplary drawing
 
1. An electronic device comprising:
a housing;
an annular-shaped ferrite electrically coupled to a ground;
a conductive coil disposed on the ferrite; and
a magnet electrically coupled to the ground and positioned adjacent the conductive coil and arranged to magnetically engage a separate electronic device.