	US 12,348,058 B2
	Wireless power transmission apparatus, wireless power transmission method, wireless power reception apparatus, and wireless power reception method
Yongcheol Park, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Appl. No. 17/793,834
Filed by LG ELECTRONICS INC., Seoul (KR)
PCT Filed Jan. 22, 2021, PCT No. PCT/KR2021/000910 § 371(c)(1), (2) Date Jul. 19, 2022, PCT Pub. No. WO2021/150061, PCT Pub. Date Jul. 29, 2021.
Claims priority of application No. 10-2020-0008835 (KR), filed on Jan. 22, 2020; application No. 10-2020-0014990 (KR), filed on Feb. 7, 2020; and application No. 10-2020-0024524 (KR), filed on Feb. 27, 2020.
Prior Publication US 2023/0048919 A1, Feb. 16, 2023
Int. Cl. H02J 50/80 (2016.01); H02J 50/12 (2016.01); H02J 50/40 (2016.01); H02J 50/60 (2016.01)

CPC H02J 50/80 (2016.02) [H02J 50/12 (2016.02); H02J 50/40 (2016.02); H02J 50/60 (2016.02)]

2 Claims

1. A wireless power transmitter for transferring wireless power to a wireless power receiver, comprising:

a power converter configured to transfer the wireless power to the wireless power receiver; and

a communicator/controller configured to control the wireless power,

wherein the wireless power transmitter:

receives, from the wireless power receiver, a Specific Request (SRQ) data packet including information for a slot time, wherein the slot time is related to a time duration of a slot;

forms the slot for stopping the transferring of the wireless power; and

performs a foreign object detection (FOD) during the slot time.