US 11,949,253 B2
Electronic device for transmitting wireless power and method for wireless charging thereof
Hyungkoo Chung, Gyeonggi-do (KR); Kihyun Kim, Gyeonggi-do (KR); Dongzo Kim, Gyeonggi-do (KR); Jihye Kim, Gyeonggi-do (KR); Yunjeong Noh, Gyeonggi-do (KR); Keyic Son, Gyeonggi-do (KR); Taehyeon Yu, Gyeonggi-do (KR); Kyungmin Lee, Gyeonggi-do (KR); and Mincheol Ha, Gyeonggi-do (KR)
Assigned to Samsung Electronics Co., Ltd, (KR)
Filed by Samsung Electronics Co., Ltd., Gyeonggi-do (KR)
Filed on Jan. 19, 2022, as Appl. No. 17/578,712.
Application 17/578,712 is a continuation of application No. PCT/KR2022/000600, filed on Jan. 13, 2022.
Claims priority of application No. 10-2021-0013000 (KR), filed on Jan. 29, 2021.
Prior Publication US 2022/0247239 A1, Aug. 4, 2022
Int. Cl. H02J 50/80 (2016.01); H02J 50/10 (2016.01); H02J 50/40 (2016.01); H02J 50/90 (2016.01)
CPC H02J 50/80 (2016.02) [H02J 50/10 (2016.02); H02J 50/402 (2020.01); H02J 50/90 (2016.02)] 20 Claims
OG exemplary drawing
 
1. A power trans mission device, comprising:
a power transmitter including a plurality of coils; and
a processor configured to:
wirelessly transmit power to a power reception device through at least one coil among the plurality of coils,
identify a condition indicating a state in which a coil to transmit power related to charging of the power reception device is to be reconfigured,
transmit a coil selection packet (CSP) to the power reception device, lased on satisfaction of the condition,
identify a signal strength packet (SSP) of at least one other coil adjacent to the at least one coil, and
wirelessly transmit power to the power reception device through a coil having a largest SSP among an SSP of the at least one coil and the identified SSP of the at least one other coil.