US 12,015,335 B2
Electronic device and multi-wireless transmission power control method based on states of plurality of external electronic devices
Mincheol Ha, Gyeonggi-do (KR); Kwangseob Kim, Gyeonggi-do (KR); Kihyun Kim, Gyeonggi-do (KR); Dongzo Kim, Gyeonggi-do (KR); Jiwon Kim, Gyeonggi-do (KR); Jihye Kim, Gyeonggi-do (KR); Yunjeong Noh, Gyeonggi-do (KR); Keumsu Song, Gyeonggi-do (KR); Changhak O, Gyeonggi-do (KR); Kyungmin Lee, Gyeonggi-do (KR); Hyungkoo Chung, Gyeonggi-do (KR); Jongchul Hong, Gyeonggi-do (KR); and Yongsang Yun, Gyeonggi-do (KR)
Assigned to Samsung Electronics Co., Ltd., Suwon-si (KR)
Appl. No. 17/057,234
Filed by Samsung Electronics Co., Ltd., Gyeonggi-do (KR)
PCT Filed Jul. 2, 2019, PCT No. PCT/KR2019/008006
§ 371(c)(1), (2) Date Nov. 20, 2020,
PCT Pub. No. WO2020/009402, PCT Pub. Date Jan. 9, 2020.
Claims priority of application No. 10-2018-0077201 (KR), filed on Jul. 3, 2018.
Prior Publication US 2021/0143683 A1, May 13, 2021
Int. Cl. H02J 50/80 (2016.01); H02J 7/00 (2006.01); H02J 50/12 (2016.01); H02J 50/40 (2016.01); H02M 1/44 (2007.01); H02M 3/335 (2006.01)
CPC H02M 1/44 (2013.01) [H02J 7/007182 (2020.01); H02J 50/12 (2016.02); H02J 50/402 (2020.01); H02J 50/80 (2016.02); H02M 3/33573 (2021.05)] 9 Claims
OG exemplary drawing
 
1. An electronic device, comprising:
a plurality of coils;
a first power generation circuit electrically connected to at least one of the plurality of coils;
a second power generation circuit electrically connected to at least one of the plurality of coils; and
a control circuit,
wherein the control circuit is configured to:
when approach of a second external electronic device is detected by using at least part of the plurality of coils while first power is provided to a first external electronic device by using a first frequency via the first power generation circuit, for providing the second external electronic device with second power, set a frequency of the second power generation circuit to a second frequency different from the first frequency and set a first voltage of the second power generation circuit to a second voltage which corresponds to the second frequency,
wherein the second voltage is a voltage capable of compensating for a difference between power provided by using the first frequency of the first power generation circuit and power provided by using the second frequency of the second power generation circuit.