US 11,855,463 B2
Wireless power transmission to a mobile device
Petru Emanuel Stingu, Dallas, TX (US); Malek Ramezani, Farmers Branch, TX (US); Kenneth Moore, Dallas, TX (US); and Ruwanga Dassanayake, Dallas, TX (US)
Assigned to Spark Connected LLC, Dallas, TX (US)
Filed by Spark Connected LLC, Dallas, TX (US)
Filed on Nov. 22, 2021, as Appl. No. 17/532,710.
Claims priority of provisional application 63/121,668, filed on Dec. 4, 2020.
Prior Publication US 2022/0181914 A1, Jun. 9, 2022
Int. Cl. H02J 50/12 (2016.01); G06F 3/0354 (2013.01); G06F 3/038 (2013.01); G04G 19/00 (2006.01); H02J 50/40 (2016.01); H02J 50/70 (2016.01); G04C 10/00 (2006.01); H02J 50/90 (2016.01)
CPC H02J 50/12 (2016.02) [G04C 10/00 (2013.01); G04G 19/00 (2013.01); G06F 3/038 (2013.01); G06F 3/03545 (2013.01); H02J 50/402 (2020.01); H02J 50/70 (2016.02); H02J 50/90 (2016.02)] 16 Claims
OG exemplary drawing
 
1. An apparatus comprising:
an enclosure;
a first ferrite core disposed inside the enclosure;
a wireless power receiver that comprises a first receiving coil wrapped around the first ferrite core between the first ferrite core and the enclosure;
a rechargeable battery; and
an alignment mark configured to be aligned with a center of a transmitting coil of a wireless power transmitter,
wherein the alignment mark is not aligned with a center of the first receiving coil,
wherein the first ferrite core is hollow,
wherein the rechargeable battery is located inside the first ferrite core.