US 12,170,448 B2
Wireless power transmission to a mobile device
Petru Emanuel Stingu, Dallas, TX (US); Malek Ramezani, Lynnwood, WA (US); Kenneth Moore, Dallas, TX (US); and Ruwanga Dassanayake, Dallas, TX (US)
Filed by Spark Connected LLC, Dallas, TX (US)
Filed on Jul. 20, 2023, as Appl. No. 18/355,645.
Application 18/355,645 is a continuation of application No. 17/532,710, filed on Nov. 22, 2021, granted, now 11,855,463.
Claims priority of provisional application 63/121,668, filed on Dec. 4, 2020.
Prior Publication US 2023/0361602 A1, Nov. 9, 2023
Int. Cl. H02J 50/12 (2016.01); G04C 10/00 (2006.01); G04G 19/00 (2006.01); G06F 3/0354 (2013.01); G06F 3/038 (2013.01); H02J 50/40 (2016.01); H02J 50/70 (2016.01); H02J 50/90 (2016.01)
CPC H02J 50/12 (2016.02) [G04C 10/00 (2013.01); G04G 19/00 (2013.01); G06F 3/03545 (2013.01); G06F 3/038 (2013.01); H02J 50/402 (2020.01); H02J 50/70 (2016.02); H02J 50/90 (2016.02)] 9 Claims
OG exemplary drawing
 
1. A smart watch system comprising:
a smart watch comprising a receiving coil, the receiving coil wrapped around a first axis; and
a charging box comprising:
a bottom surface parallel to the first axis; and
a plurality of transmitting coils, wherein each of the plurality of transmitting coils are wrapped around a second axis that is orthogonal to the first axis,
wherein the charging box is configured to wirelessly transmit power to the smart watch via selected transmitting coils of the plurality of transmitting coils,
wherein the plurality of transmitting coils is disposed outside the charging box at the bottom surface of the charging box, and
wherein each of the transmitting coils is implemented with a single turn per layer, and with multiple layers.